Dell EqualLogic PS6610E EqualLogic Group Manager Administrator s Guide PS Seri
Dell EqualLogic PS6610E Manual
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- Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 1
Dell EqualLogic Group Manager Administrator's Guide PS Series Firmware Version 9.1 FS Series Firmware Version 4.0 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 2
and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 3
Contents About This Manual...16 Audience...16 Related Documentation...16 Dell Online Services...16 Dell EqualLogic Storage Solutions...16 Dell Technical Support and Customer Service...16 Contacting Dell...17 1 About Group Manager...18 About GUI and CLI Access...19 Log In to the Group Manager GUI... - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 4
About the NAS Reserve...41 3 Set Up the iSCSI SAN 43 4 Post-Setup Tasks...44 About the Group Date and Time...44 Change or Delete an NTP Server...44 Change the Time Zone and Clock Time...45 About Session Idle Timeout...45 Change the Session Idle Timeout...45 Set General GUI Policies...45 Set GUI - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 5
SNMP Access to a Group...69 Display SNMP Access to a Group...70 About SNMP Traps...70 About VDS and VSS Authentication...71 Display and Configure Windows Service Access to a Group 72 Add a VDS/VSS Access Control Policy...72 Modify a VDS/VSS Access Control Policy...72 Delete a VDS/VSS Access Control - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 6
119 Prerequisites...119 Procedure...119 Convert a RAID Policy...120 Supported RAID Policy Conversions...120 RAID Sets...121 Enable and Storage Pool...124 Create a Storage Pool from an Existing Member...124 Change a Storage Pool Name or Description...125 Merge Storage Pools...125 Delete a Storage - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 7
Modify Groupwide Volume Settings...126 About Space Borrowing...126 Benefits of Space Borrowing...126 Displaying Space-Borrowing Information...127 Using Space-Borrowing Information...128 About Compression of Snapshots and Replicas...128 Compression Prerequisites...129 About Rehydration ...129 About - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 8
Volume or Snapshot with Lost Blocks Online...146 Volume and Snapshot Status...146 Volume and Snapshot Requested Status...147 About Managing Storage Capacity Utilization On Demand (Thin Provisioning 148 Enable Thin Provisioning on a Volume...148 Thin-Provisioning Space Settings...149 Modify the Thin - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 9
Maintenance Mode...175 Set a NAS Cluster to Maintenance Mode...176 Resume Normal Cluster Operation...176 Shut Down and Restart a NAS Cluster Manually...176 About Deleting a NAS Cluster...177 Delete a NAS Cluster...177 13 NAS Controller Operations 178 Add Additional NAS Controllers...178 About - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 10
Create a NAS Container...183 Modify NAS Clusterwide Default NAS Container Settings 184 Modify NAS Clusterwide Default NAS Container Permissions 184 Modify NAS Clusterwide Default NFS Export Settings 184 Modify NAS Clusterwide Default SMB Share Settings 184 Modify a NAS Container Name...184 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 11
Enable the NAS Antivirus Service on an SMB Share 203 Monitor the NAS Antivirus Service...204 NAS Directory Paths Thin Provisioning...209 NAS Container Storage Space Terminology...209 About Plugin...218 Installation Instructions...218 Plugin Verification...218 Removal Instructions...219 15 Diagnose - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 12
Data from a Snapshot...265 Requirements and Restrictions...265 Failback to Primary Operation (Manual)...266 Move a Failback Replica Set to a Different Pool...266 Replicate to Partner Operation (Manual)...266 Switch Partner Roles Permanently...267 Make an Inbound Replica Set Promotion Permanent 267 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 13
Where to Go from Here...270 Promote an Inbound Replica Set to a Recovery Volume 270 Recovery Volume Options...271 Recovery Volume Restrictions...271 How to Handle a Failed Operation...271 Fail Back to the Primary Group...272 Volume Failover and Failback...272 Recover Data from a Replica ...273 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 14
safe to discard or return a locked SED?...315 Can I add SEDs to a non-SED array, or vice versa 315 Does a SED system also use RAID?...315 Does SED encrypt my volumes 20 About Monitoring...318 Tools That Monitor and Manage Storage Performance 318 About Using Group Manager to Monitor Performance - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 15
Operations...344 Monitor Failback Operations...344 Monitor Storage Pool Free Space...344 About Diagnostics...344 Add Diagnostic Contact Information...345 Generate and Email Diagnostic Reports...345 Enable FTP on a NAS Cluster...346 Troubleshooting Performance Issues...347 Server and Application - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 16
storage management Related Documentation For detailed information about PS Series arrays, FS Series appliances, groups, volumes, array software, and host software, log in to the Documentation page at the Dell EqualLogic support site. Dell Online Services To learn about Dell products and services - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 17
Dell Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services might not be available in your area. To contact Dell for sales, technical support, or customer service issues, go to dell.com/ support. About This Manual - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 18
with the Dell EqualLogic PS Series storage managers to perform group administration tasks such as provisioning, snapshots, replication scheduling, and other management requirements quickly and easily, using windows and dialog boxes. Built-in monitoring and notifications provide email, syslog support - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 19
the array. See the Hardware Owner's Manual for your array model for more information. You can also access the CLI on PS-M4110 systems with the Dell refer to the Dell EqualLogic Group Manager CLI Reference Guide. This guide is located on the EqualLogic support website at eqlsupport.dell.com (login - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 20
system. If your browser and operating system are set to a non-English supported language, and you want the GUI to display in English, log in to which you install the GUI application. See the Dell EqualLogic PS Series Storage Arrays Release Notes for details about Java versions and standalone - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 21
1. Click Group → Group Configuration. 2. Click the Administration tab. 3. Select the Show banner before login checkbox. 4. Click Set session banner. 5. Type the banner message in the field in the dialog box. You can also copy text and paste it into the dialog box. 6. Press Return to wrap the banner - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 22
, Collections, Pools, Partners, and Members The search function checks for all matches against the names or descriptions for volumes, volume collections, storage pools, replication partners, and members in the group, and then displays the results in the Find Objects dialog box. 22 About Group - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 23
you cannot access the Internet for any reason, you can download the online help kit and install it locally. Go to eqlsupport.dell.com to download the kit and installation instructions. Access Online Help Online help is available from the Group Manager GUI as either a set of help topics that you can - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 24
to a regression in some versions of Java; you might not see the problem using browsers other than Internet Explorer. Refer to the Dell EqualLogic PS Series Storage Arrays Release Notes for information about the Java versions supported for this release. You must install and use the standalone Group - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 25
2 Architecture Fundamentals The Dell EqualLogic product family provides a unified file and block storage platform. Block-level storage consists of a sequence as a single entity that offers network storage access in block mode. NOTE: Dell recommends that all arrays run the same version of PS Series - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 26
is a member in the group and is assigned to a storage pool. 3 PS Series storage pools Containers for storage resources (disk space, processing power, and network bandwidth). 4 PS Series single-member storage pool A PS Series array represented as a member within a pool to which it is assigned - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 27
a volume and then allocated when the space is needed. FS Series Architecture You can design a unified (block and file) storage architecture by adding a Dell FluidFS NAS appliance to a PS Series SAN. The FluidFS logical architecture integrates with the underlying SAN architecture. FluidFS presents - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 28
PS Series Group with NAS Cluster Callout 1 Description PS Series group Storage area network (SAN) comprising one or more PS Series arrays connected to an IP network. Arrays are high-performance (physical) block-storage devices. 2 NAS cluster Collection of NAS hardware (appliances) configured as - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 29
storage requires direct iSCSI access to PS Series arrays (iSCSI initiator). Access to file storage requires the FS Series NAS appliance using NFS or SMB protocols and the Dell FluidFS scale-out file system. With storage problems through log files, SNMP traps, and email notification • Add more arrays - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 30
you correct the problem to bring the group back to normal operation. • Make sure the group has enough storage capacity. Low storage pool capacity storage pool in a PS Series group can support numerous simultaneous connections, as described in the release notes for the particular Dell EqualLogic - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 31
Dell EqualLogic MPIO extensions are properly installed on the supported operating storage resources, each optimally configured. Using this "SAN within a SAN," you can separate workloads as needed (for example: by application, service storage pool design that best meets your needs. Identify array - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 32
-critical data to protect, you might create a storage pool that contains the highest-performance arrays in your environment. • You might want to separate contains the members with the best random-access performance. Tip: Dell EqualLogic recommends using as few pools as possible and letting the PS - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 33
PS Series Volumes Callout 1 Description PS Series group Storage area network (SAN) comprising one or more PS Series arrays connected to an IP network. Arrays are high-performance (physical) block storage devices. 2 PS Series members Each PS Series array is a member in the group and is assigned - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 34
arrays to allocate data as needed through various structures (volumes, snapshots, thin provisioning, replicas, containers, SMB/NFS, quotas, and local users and groups). Volumes Storage -05.com.equallogic 7-8b0900-6d0000000 to the volume. Each iSCSI volume supports a set of features and capabilities - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 35
through the iSCSI target name, rather than the volume name. Description Storage pool Optional description for the volume - up to 127 characters. volume does not depend on the sector size of the physical drives in the array. The default volume setting of 512 bytes is almost always optimal, even if - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 36
Volume Types A PS Series group supports the following volume types: • Standard The default volume clone Thin clones are based on a template volume and enable you to use space efficiently in storage environments that require multiple volumes with a large amount of common data. After you create a thin - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 37
NAS Hardware Architecture Callout 1 Description PS Series group (partial) Storage area network (SAN) comprising one or more PS Series arrays connected to an IP network. Arrays are high-performance (physical) block-storage devices. 2 NAS cluster Collection of NAS hardware (appliances) configured - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 38
NAS Software Architecture Callout 1 Description PS Series group (partial) Storage area network (SAN) comprising one or more PS Series arrays connected to an IP network. Arrays are high-performance (physical) block-storage devices. 2 NAS cluster Collection of NAS hardware (appliances) configured - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 39
. The scalable Dell Fluid File System (FluidFS) enables PS Series storage arrays to store NAS specify the network configuration for the service and the amount of storage pool space for the NAS reserve. NAS containers have robust security mechanisms and support snapshots and NDMP for data protection. - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 40
security reasons, Dell strongly recommends that this network be in a different subnet from the client network. A NAS cluster supports various network single switch failure or network cable disconnection results in a service disruption. About NAS Controllers A NAS controller has preinstalled - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 41
Support user and group quotas • Support snapshots for data protection • Support thin clones • Support NDMP for remote backups • Support storage space to the NAS reserve. As part of the service configuration, the NAS reserve is configured with the Dell Fluid File System (FluidFS) and Dell EqualLogic - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 42
from which users can access SMB/NFS shares. These accounts can be grouped so that they share the same access permissions. • Quotas - Define how storage space on a NAS container is allocated among users and groups of users. • Security - Volume-level and group-level access controls for NAS containers - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 43
3 Set Up the iSCSI SAN To start using the PS Series array: 1. Configure the array on the network and create a PS Series group. See the Installation and Setup Guide for more information. 2. Log In to the Group Manager GUI. 3. Set the RAID Policy and Pool for a New Member (and assign the member to the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 44
array, see Updating Firmware for Dell EqualLogic PS Series Storage Arrays and FS Series Appliances. This document is available from the support site, eqlsupport.dell group time changes by an hour or more, either because you manually modified it or the NTP server time changed, the synchronization - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 45
2. Click the General tab. 3. Click Add under NTP servers in the Date and Time panel. 4. Type the IP address for the NTP server. 5. Type the port number for the NTP server. 6. Click OK. 7. Select the IP address and click Modify or Delete as needed. 8. Use the arrows to move a server up or down in the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 46
. 3. Click the Alarms tab. 4. Select your preferences and click OK. An alarm indicates a potential problem with your array. Display NAS Cluster Alarms NAS cluster alarms help you discover and correct problems before they disrupt operations. You can display alarms by severity or by category. NOTE - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 47
- Level - Event type - Time - Date and time the administrator action took place - Member - Group member on which the action was performed - Subsystem - Array subsystem in which the action took place - Event ID - System identifier for the event - Message - Description of the event Monitor Audit Log - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 48
problems before they affect performance or data availability. Notifications are not enabled by default, and must be configured manually. group periodically checks the customer support website for updates to Dell EqualLogic software, including PS Series array firmware. About Email Notification If - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 49
component fails or if you update firmware, the group can automatically notify customer support through email. Dell recommends that you enable Email Home to expedite Dell Technical Support becoming engaged in solving any problems. Email Home is available to all PS Series customers, but response time - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 50
Dell Technical Support of hardware failures and firmware updates. NOTE: If you want to manually send diagnostic reports to Dell Technical Support are logged, contact your support provider. If you have a service agreement, your support provider can help you resolve the problem. To disable the Email - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 51
Change the syslog Notification Configuration 1. Click Group → Group Configuration. 2. Click the Notifications tab to display the Event Logs panel. 3. Make any of the following changes: • To disable syslog notification, clear Send events to syslog servers. • To modify the IP address for a syslog - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 52
5 Data Security You can secure data at the group, volume, or NAS container level. Table 12. Data Security Operations Group Security Volume Security NAS Container Security Enable or disable GUI and CLI access Create, modify, or delete administration accounts Add, modify, or remove a Microsoft - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 53
Group Manager supports several strategies 3. Enable or disable the GUI or CLI access options and network services. 4. Click the Save All Changes icon in the upper-right corner legacy-protocols command in the Dell EqualLogic Group Manager CLI Reference Guide. Switch Administration Authentication Type - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 54
external Remote Authentication Dial-in User Service (RADIUS) server to authenticate administration such as upgrading array firmware, can be performed only by the grpadmin user. NOTE: Dell recommends that you tasks, including managing the group, storage pools, members, NAS clusters, volumes - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 55
can unassign any volume in their pools. However, the pool administrator cannot change any volume administrator's pool access privileges or storage quotas. • An existing account (for example, a group administrator) cannot change its type (for example, to volume administrator or pool administrator - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 56
removed from the Active Directory group, you do not need to update the array's list of administrator accounts to revoke access to the group. Active Directory or accounts are in the group. • The group administrator must manually remove unused Active Directory and LDAP accounts. Local accounts • - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 57
pools containing the storage quotas that they manage. In addition, you can grant read-only users access to collect array diagnostics and/or save protocols command in the Dell EqualLogic Group Manager CLI Reference Guide. You can also enable or disable SSH v1 protocol support; see the grpparams - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 58
practical when you need only a small number of administration accounts for the group. The grpadmin account is the default administration account. Dell recommends that you set up an additional account for each administrator, and reserve the default grpadmin account for maintenance operations such as - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 59
this field if you type the value as a Unicode character string, which takes up a variable number of bytes, depending on the specific character. • Dell recommends that administrator account names not be reused after they have been deleted. All accounts can always view their own audit log information - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 60
PS Series Group on the customer support website. For other RADIUS implementations, account contact information. For security reasons, Dell recommends that you require vendor-specific attributes. set attributes. For each account, you must set the Service-Type attribute to one of these values: • EQL- - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 61
Privilege attribute. Table 16. Vendor-Specific Attributes describes the Dell vendor-specific attributes and values for RADIUS attributes. Table administrator account has access and, for volume administrators, the account's storage within that pool. VSA vendor ID VSA number VSA syntax Required if - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 62
as a RADIUS client on a Microsoft Windows server, you must specify the following items: • Name (also called Friendly Name) for the client. Dell recommends using the group name. • Group IP address (also called Client address) or dedicated management network IP address. • Vendor Name attribute. Select - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 63
: To delete a RADIUS account, remove it from the Active Directory server first before you delete it from the storage group. Deleting an Active Directory account (or group) from the storage group does not remove it from the Active Directory server. 1. Click Group → Group Configuration. 2. Click the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 64
authentication and authorization mechanisms in which other related services can be deployed. If your environment uses can also perform these tasks at a later time. See theDell EqualLogic PS Series Storage Arrays Release Notes for more information about NTP requirements for using Active Directory - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 65
is Pool administrator or Volume administrator, you can use the Pool access section to specify the pools to which the account has access and the storage quota for the account. • If the account type is Pool administrator, you can use the Additional access section to give the account read-only access - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 66
1. Click Group → Group Configuration. 2. Click the Administration tab. 3. In the Access panel, make sure that the Enable web access checkbox is selected and select Active Directory as the authentication type. 4. Click AD settings to open the Active Directory Settings dialog box. 5. Select the IP - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 67
-authenticating. Change the Active Directory Group Name Before you change the name of a PS Series group that has already been configured for single sign-on, Dell recommends that you leave the current Active Directory (AD) domain, change the group name, and then join the AD domain again using the new - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 68
About Single Sign-On Single sign-on enables users who have already logged in to their PCs using Windows Active Directory credentials to automatically log in to the Group Manager GUI without having to specify the Windows Active Directory login credentials again. To use single sign-on, configure the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 69
to a PS Series group through one or more readonly community names. NOTE: SAN Headquarters requires you to configure SNMP access to a group. The Manual Transfer Utility (MTU) requires you to configure SNMP access and specify public for the SNMP community name. In addition, SAN Headquarters uses SNMP - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 70
Traps PS Series traps are unsolicited event messages sent to a management console by an agent. PS Series arrays send traps for equipment issues and security issues. The PS Series array MIBs (Management Information Bases) contain information about SNMP traps and trap thresholds. Table 17. PS Series - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 71
the modification. About VDS and VSS Authentication Microsoft provides the following services for storage management on Microsoft Windows computers: • Virtual Disk Service (VDS) provides an end-to-end solution for managing storage hardware and disks, and for creating volumes on those disks. VDS - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 72
by using Remote Setup Wizard or Auto-Snapshot Manager/Microsoft Edition. NOTE: Auto-Snapshot Manager/Microsoft Edition requires you to configure Windows service access to a group. VDS/VSS access control policies use the same criteria for restricting access as iSCSI target access control policies - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 73
.org), the organization that originally developed the IPsec protocols. In the context of an iSCSI SAN that uses EqualLogic PS Series storage arrays, IPsec secures communications between group member arrays and also between iSCSI initiators and the group. You can use policies to configure your IPsec - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 74
in which each group treats the other as an iSCSI initiator and traffic is protected accordingly. However, this configuration is not supported, and Dell recommends against implementing it in a production environment. IPsec Policies Traffic that meets the conditions stipulated by the policy can either - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 75
. See the Dell EqualLogic Group Manager CLI Reference Guide for more information supported in ASCII strings. Examples of IPsec Configurations The following examples are provided and depict several scenarios for using IPsec with your PS Series group. They provide configuration settings for the array - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 76
host is using IPv4 and PSK and another host is using IPv6 and certificates. Either IKEv1 or IKEv2 can be used in this configuration if supported by the host, but the example shown uses IKEv1. Figure 10. Transport Mode (Host-to-Host) with Certificates or PSK iSCSI Initiator Configuration In the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 77
Setting Protocol Action Auth1 Auth1CAName Auth1CertMapping Auth1ExcludeCAName Auth1CertType Auth1HealthCert Anodes QuickModeSecMethods IPv4 Value 10.125.56.4/32 10.125.56.5/32 Any RequireInRequireOut ComputerCert CN=sqaca No No Root No DHGroup14-AES256-SHA384 ESP:SHA1-AES256+60min+10000000kb Table - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 78
certificates must be loaded into the Local Computer CAPI store on the Windows host and uploaded to the / mgtdb/update folder on the PS Series array. CLI Commands (IPv6) Enter the following CLI commands on the PS Series group to implement the IPv6 configuration shown in Figure 10. Transport Mode - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 79
Figure 11. Tunnel Mode Between Linux Hosts Using PSK iSCSI Initiator Configuration (IPv4) This example uses the following configuration: • Mint 17 (also known as Qiana) • Linux Kernel 3.13.0-36-generic, x86_64 • strongSwan 5.1.2 The following configuration files are relevant: • /etc/strongswan. - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 80
.2.0.0/16 # rightid="C=CH, O=Linux strongSwan CN=peer name" # auto=start Begin Pre-Shared Key Authentication, IPv4 1. strongSwan host IP address is 10.127.238.154 2. array addresses are 10.124.65.38 (the wka) and 10.124.65.39 (eth0) The only two files modified on the strongSwan host are ipsec - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 81
more "connections" are defined, one for each of the IP addresses on the array. The names are used by strongSwan to keep track of the connections. For connection, meaning that all connections would use pre-shared keys. The array's configuration must also use pre-shared keys. Here is the ipsec.secrets - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 82
Figure 12. Tunnel Mode Between Linux Hosts Using Certificate-Based Authentication iSCSI Initiator Configuration (IPv4) This example uses the following configuration: • Mint 17 (also known as Qiana) • Linux Kernel 3.13.0-36-generic, x86_64 • strongSwan 5.1.2 The following configuration files are - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 83
-Based Authentication, IPv4 1. strongSwan host IP address is 10.127.238.154 2. array addresses are 10.124.65.38 (the wka) and 10.124.65.39 (eth0 Nashua Organization Name (eg, company) [Internet Widgits Pty Ltd]: Dell Equallogic Organizational Unit Name (eg, section) []: Networking and iSCSI Common - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 84
C=US, ST=New Hampshire, L=Nashua, O=Dell Equallogic, OU=Networking and iSCSI, CN=Joe Secure/[email protected] Subject Public Key Info: Public Key Algorithm: is 65537 (0x10001) 4. Generate a "certificate request" for the array (kirt5): 1.31 draoidoir:fwoods> openssl req -key client.key - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 85
6. Sign the array's certificate request, creating the local certificate for kirt5: 1.33 draoidoir:fwoods> openssl x509 -req -in kirt5.csr -CA root-ca.crt -CAcreateserial CAkey server.key -out kirt5.crt -days 365 Signature ok subject=/C=US/ST=New Hampshire/L=Nashua/O=Dell Equallogic/OU=Networking and - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 86
2014 GMT Not After : Oct 14 19:24:12 2015 GMT Subject: C=US, ST=New Hampshire, L=Nashua, O=Dell Equallogic, OU=Networking and iSCSI, CN=kirt5.lab.equallogic.com/[email protected] Subject Public Key Info: Public Key Algorithm: rsaEncryption Public-Key: (2048 bit) Modulus: 00:ef:67:f5 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 87
:2c:69:ce:1b:ed:30:54:88:2e:00:82:1d: 7e:77:11:76 8. Push the root certificate and the array's certificate and private key up to the array: 1.38 draoidoir:fwoods> ftp 10.124.65.39 Connected to 10.124.65.39. 220 10.124.65.39 FTP server - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 88
in 6 transfers. 221 Thank you for using the FTP service on 10.124.65.39. 9. Drop the certificates in place that will be presented by the array. - On the array side we use the identifier that O=Dell Equallogic, OU=Networking and iSCSI, CN=kirt5.lab.equallogic. com, [email protected]" - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 89
strongSwan where it can find its local certificate (in /etc/ ipsec.d/certs). This is the local certificate that it will present to the array. "leftsendcert=yes" tells strongSwan that it should always send its certificate chain to any peers. "authby=pubkey" in each connection tells strongSwan that - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 90
Example 4: Tunnel Mode (Host-to-Gateway) Using PSK In Figure 13. Tunnel Mode (Host-to-Gateway) Using PSK, a tunnel mode connection to a Cisco ASA gateway is established, using pre-shared keys to authenticate IPv4 traffic. The example uses IKEv1. Figure 13. Tunnel Mode (Host-to-Gateway) Using PSK . - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 91
interface Ethernet0/7 !passwd encrypted ftp mode passive dns server-group DefaultDNS domain-name company.com access-list 101 extended permit ip 10.125.55.0 255.255.255.0 host 10.125.56.2 pager lines 24 mtu outside 1500 mtu inside 1500 icmp unreachable rate-limit 1 burst-size 1 asdm image disk0:/ - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 92
The following limitations apply when implementing IPsec: • IPsec is supported only for certain PS Series array models, and can be enabled for a group only if all members support IPsec. See the Dell EqualLogic PS Series Storage Arrays Release Notes for more information. • IPsec can be enabled - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 93
this configuration is not supported, and Dell recommends against implementing it in a production environment. • The PS Series array does not serve as an have been transferred to the array using FTP. Therefore, when you restore a configuration, you must manually restore any configuration options set - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 94
DN Qualifier PKCS9 unaddr Pseudonym IPsec Supported Authentication Algorithms Table 21. Supported IPsec Authentication Algorithms lists supported IPsec authentication algorithms. Table 21. Supported IPsec Authentication Algorithms Algorithm Type Supported Algorithms IKE Integrity • HMAC-SHA1 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 95
256 NOTE: IKE (Diffie-Hellman) Key Exchange Group 2 algorithm is supported only if legacy support is not disabled. Requirements for Pre-Shared Keys Pre-shared keys that dropped. • Traffic is allowed to pass directly through to the array in the clear. • Traffic is protected using certificates or pre - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 96
the documentation for the setup command in the Dell EqualLogic Group Manager CLI Reference Guide for instructions on joining an IPsec-enabled group. Some older PS Series array models do not support IPsec. See the Dell EqualLogic PS Series Storage Arrays Release Notes for more information. Remove an - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 97
. All iSCSI traffic - including traffic by replication partners, and access to Dell EqualLogic Auto-Snapshot Manager/Linux Edition (ASM/LE), Dell EqualLogic Auto-Snapshot Manager/ Microsoft Edition (ASM/ME), and Dell Virtual Storage Manager for VMware (formerly ASM/VE) - continues to use the group - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 98
(LLDP) enabled, the switch must have LLDP support enabled. If the SAN switch does not provide LLDP support, disable LLDP on all non-array devices connected to the switch. For instructions on disabling LLDP on your devices, refer to the user manual of the device. To configure a management network - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 99
If you are using an NTP server, Dell recommends that the NTP server be on the group members so that they again support all traffic. Disable and Stop Using the iSCSI network. b. Clear Restrict to management access. NOTE: On some arrays, you cannot select Restrict to management access. In such cases, - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 100
• Pages are overwritten by a random pattern as a background operation. • Page map entries are cleared. To enable Secure Erase: 1. Click Group → Group Configuration. 2. Click the Advanced tab. 3. In the Secure Erase panel, check the Enable secure erase data checkbox. 100 About Group-Level Security - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 101
can use an iSNS (Internet Storage Name Service) server for initiator discovery of instructions. See the Dell EqualLogic PS Series Storage Arrays iSCSI Initiator and Operating System Considerations document for more information about iSCSI initiator configuration or contact Dell Technical Support - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 102
volumes and all the access attributes are specified only once, requiring less manual configuration and less possibility of data entry errors. • Single point of volume to which you wanted to secure access. Each volume supported up to 16 different access control records, which together constituted an - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 103
Study 2: Apply an existing policy to a volume Scenario: A user wants to grant access to a volume using a previously specified access policy (or policy group), without having to reenter the IP address, initiator name, and CHAP user name. Solution: If the volume has not been created yet: 1. Run the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 104
3. To remove a node from cluster A, remove the node's access policy from the group policy. This disassociation instantly removes the node from the group. Study 6: Determine each volume a host/cluster can access Scenario: The group administrator needs to determine which volumes a host can access. - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 105
NOTE: Click Access to show all access policies and access points that are currently assigned to this volume. 3. In the Activities panel, click Add basic access point. 4. Specify the authorization parameters (CHAP account name, iSCSI initiator name, or IP address) for the host that you are - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 106
4. Perform the desired action in the corresponding subpanel: Add, Modify, or Remove an Access Policy Group: • To bind an additional access policy group to the volume, click Add to open the Add Access Policy dialog box. You can then select additional groups that you want to bind to this volume. • To - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 107
Create an Access Policy Group Access policy groups combine individual access policies together so that they can be managed as a single entity. 1. Click Group → Group Configuration. 2. Click the Access Policies tab. 3. In the Access Policies panel, locate the Access Policy Groups section and click - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 108
5. Select the checkbox next to each group policy name that you want to associate with the selected volume and click OK. Manage Access Controls for VDS/VSS Access To allow VDS and VSS access to the group, you must create at least one VDS/VSS access control policy that matches the access control - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 109
Using a RADIUS server to manage CHAP accounts is helpful if you are managing a large number of accounts. However, computer access to targets depends on the availability of the RADIUS server. NOTE: If you use CHAP for initiator authentication, you can also use target authentication for mutual - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 110
• Enable target authentication (for mutual authentication) Modify a Local CHAP Account To modify a local CHAP account: 1. Click Group → Group Configuration. 2. Click the iSCSI tab. 3. In the Local CHAP Account panel, select the account name that you want to edit and click Modify. The Modify CHAP - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 111
OK to save the changes. About iSNS Servers In a shared storage environment, you must control computer access to iSCSI targets (volumes and allows multihost access to targets. An iSNS (Internet Storage Name Service) server can facilitate iSCSI initiator discovery of iSCSI targets in a SAN. - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 112
in the format nnn.nnn.nnn.nnn:port. Enable or Disable iSNS Discovery You can configure a PS Series group to use an iSNS (Internet Storage Name Service) server, which facilitates the discovery of iSCSI targets in the group. By default, the group disables automatic discovery of targets by iSNS servers - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 113
5. Click OK. 6. Click Save all changes. Delete an iSNS server To delete the IP address for an iSNS server to remove the server from the configuration: 1. Click Group → Group Configuration. 2. Click the iSCSI tab. 3. In the iSCSI Discovery panel, select the server's IP address. 4. Click Delete. 5. - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 114
. You can also modify a volume or snapshot and enable or disable multihost access. Allow or Disallow Multihost Volume Access In a shared storage environment, you must control computer access to iSCSI targets (volumes and snapshots), because multiple computers writing to a target in an uncoordinated - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 115
and its snapshots. About Multihost Snapshot Access In a shared storage environment, you must control computer access to iSCSI targets (volumes files and directories that are created after the modification. A NAS cluster supports the following security styles: • UNIX - Controls file access using UNIX - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 116
style. All access permissions are controlled by the Windows administrator through the use of access control lists or share-level permissions. • Mixed - Supports both NTFS and UNIX security styles. The permissions and ownership for a file or directory will be the last ones set. Permissions and access - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 117
Advanced Shut down a group Override automatic load balancing Merge storage pools Restore deleted volumes Change the reported volume size CLI to change the group IP address. See the Dell EqualLogic Group Manager CLI Reference Guide for more information. • If you have replication partners - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 118
Manager setup utility. The setup utility configures an array as either the first member of a new been added. See the Dell EqualLogic Group Manager CLI Reference Guide for more information. When If you attempt to add a member that does not support IPsec to an existing group in which IPsec is used - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 119
cannot select RAID 50 for PS6610 arrays from the GUI. Instead, you must use the CLI command member select raid-policy. See the Dell EqualLogic Group Manager CLI Reference Guide for more information. 6. (Optional) Select Wait until the member storage initialization completes. 7. Click Next. 8. Click - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 120
group capacity. • Uncheck Enable RAID auto expansion to wait until the member storage initialization completes. NOTE: You must enable RAID auto expansion after all the drives have been installed. 5. Click OK. Supported RAID Policy Conversions While a member remains online, you can convert it from - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 121
tables below show a logical drive layout when an array is initialized for the first time. The actual drives are associated with each RAID set. This information is dynamic and maintained by the Dell EqualLogic firmware. Table 25. 12-Drive Configuration shows the RAID set relationship for each RAID - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 122
Table 29. 42-Drive Configuration shows the RAID set relationship for each RAID type in a 42-drive configuration. Table 29. 42-Drive Configuration RAID Policy Spare Disks RAID Set Relationship RAID 6 2 (12+2) (12+2) (10+2) RAID 10 2 (7+7) (7+7) (5+5) RAID 50 2 (12+2) (12+2) (10+2) RAID 5 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 123
CLI command line: volume select volume_name unbind See the Dell EqualLogic Group Manager CLI Reference Guide for more information about using CLI commands. Shut Down . Do not turn off power to the PS Series array until you cleanly shut down the member. To shut down a member: a. Click - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 124
, depending on the specific character. 5. Click Next → Finish. NOTE: Alternatively, you can create a storage pool from an existing member. For instructions, see Create a Storage Pool from an Existing Member. Create a Storage Pool from an Existing Member NOTE: This procedure should be treated as an - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 125
value as a Unicode character string, which takes up a variable number of bytes, depending on the specific character. 5. Click OK. Merge Storage Pools You can merge any storage pool except the default pool into another pool, called the destination pool. Merging pools moves the pool members and volume - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 126
You can change the default values to meet the needs of your environment. Modify Groupwide Volume Settings When you create or enable thin provisioning on a volume, the group applies defaults unless you explicitly override them for a volume. These defaults control snapshot space, snapshot behavior, - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 127
applies only to the space in the pool that is available for borrowing, not to all of the space in the pool. Volume reserve and storage containers do not appear in the tables because that space cannot be borrowed. • Click the Total borrowed space link from either the Group Disk Space - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 128
Dell EqualLogic arrays. If compression is enabled, it must remain enabled to provide access to already compressed data. Compression can be manually suspended and resumed, as needed, to prevent the array destination supports it. Compression can be enabled on any PS6210 or PS6610 array that is - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 129
PS6610 arrays running firmware version 8.0 or later. Compression is disabled by default on all arrays until it is manually activated either through the Group Manager interface or the command-line interface (CLI). NOTE: The array monitors the storage pages are not supported. Compression Statistics by - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 130
status is visible only within the pool area. Enable Compression Snapshot and replica compression can be enabled on any PS6210 or PS6610 array running the supported firmware. Compression is enabled at the pool level. If the group contains more than one compression-enabled member, compression must be - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 131
statistics might not change for several hours as the array monitors activity. View Compression Statistics by Pool You can view the compression statistics of an entire storage pool from any compression-enabled member. 1. Click Group. 2. Expand Storage Pools and select the pool for which you want - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 132
Commands in the CLI Snapshot and replica compression can be enabled using the command-line interface (CLI) on any PS6210 or PS6610 array running firmware version 8.0 or later. Table 33. CLI Commands for Compression Action Command Start compression member select member_name data-reduction - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 133
. You can create a volume on a single group member or one that spans multiple group members. You assign each volume a name, size, and a storage pool. The group automatically load balances volume data across pool members. Create a Volume To create a new volume: 1. Click Volumes → Volumes. 2. In the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 134
• You cannot set a template volume to read-write permission. To modify a volume permission: 1. Click Volumes. 2. Expand Volumes and then select the volume name. 3. In the Activities panel, click Set access type. 4. Change the permission in the Set access type dialog box. 5. (Optional) Select the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 135
, and delete tags. However, administrators with write privileges for the volume can assign tags to the volume. See the Dell EqualLogic Group Manager CLI Reference Guide for more information. Predefined Smart Tags Smart tags include a set of predefined tags, described in Table 34. Predefined Smart - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 136
To associate tags for a specific volume, you can use either the Volumes panel, the Activities panel, or the General Volume Information panel. From the Volumes panel: 1. Click Volumes → Volumes. 2. Select a volume from the list displayed in the Volumes panel. 3. In the Activities panel, click Modify - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 137
Delete a Volume When you delete a volume, space that the group allocated to the volume becomes part of free pool space. The following requirements and considerations apply: • If you delete a volume, the group also deletes its snapshots. However, the group does not delete any volume replicas on the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 138
The volume collection is displayed under Volume Collections. Modify a Volume Collection To modify a volume collection: 1. Click Volumes. 2. Expand Volume Collections and then select the collection. 3. Click Modify volume collection to open the Modify Volume Collection dialog box. 4. Click the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 139
• Deleting a volume folder does not delete the volumes it contains. • A volume folder cannot contain a volume collection. • A volume folder can contain standard, thin-provisioned, template, thin clone, or synchronous replication (SyncRep) volumes. • A volume folder cannot contain failback replica - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 140
5. (Optional) You can also change the description of the folder in the Description field. The description can be up to 127 characters. Fewer characters are accepted for this field if you type the value as a Unicode character string, which takes up a variable number of bytes, depending on the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 141
that use borrowed space are deleted. • Manual purge operations are displayed in the audit command recovery-bin. See the Dell EqualLogic Group Manager CLI Reference Guide for more information. Display Deleted as well as each volume name, its original storage pool, and size. The recovery bin also shows - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 142
to 1 week (depending on available free space or on group limits, such as volume count) before the firmware automatically purges it. However, you can also manually purge volumes from the recovery bin. 1. Click Volumes. 142 About Volumes - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 143
) volumes is not supported. You cannot use the Group Manager GUI to decrease the reported size of a volume. Instead, you must use the following Group Manager CLI command: volume select volume_name shrink new_size See the Dell EqualLogic Group Manager CLI Reference Guide for more information about - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 144
Manager CLI volume select size command. See the Dell EqualLogic Group Manager CLI Reference Guide for more information about using CLI commands that relate host writes data to a volume, the array allocates additional space for that data. Prior to support of the volume unmapping feature, that space - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 145
complete, and no space is reclaimed. Therefore, Dell recommends that you disable unmapping on hosts or the vmkfstools utility, which performs manually invoked unmapping and space reclamation on support the-o discard mount option, it does not support free space recovery on PS Series storage array - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 146
not only disables unmap operations from being sent to the PS Series storage arrays, but also disables TRIM to SSDs. For more information about the values for volumes and snapshots, and provides solutions for any problems. Table 35. Current Volume and Snapshot Status Status Description Solution - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 147
cannot be found. This condition is serious. Contact your PS Series support provider. offline (nospace auto The thin-provisioned volume and its the expected state. Determine the reason for the issue and correct the problem. available (no new connections) During a failover, SyncRep is trying - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 148
usage, enabling you to "over-provision" group storage space (provision more space than what is physically volume usage increases over time. NOTE: Dell recommends that you fully understand the benefits around-the-clock support to handle any space allocation issues and prevent service-level disruption. - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 149
When enabling thin provisioning on an existing volume, the following considerations apply: • Enabling thin provisioning on a volume usually decreases the amount of space that the group allocates to the volume (called the volume reserve). • Enabling thin provisioning changes the amount of allocated - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 150
- If the maximum in-use space value is 100 percent, and an initiator write exceeds this limit, the volume is not set offline; however, the write fails, and the group generates event messages. If you increase the reported size of the volume, writes succeed. This behavior is the same as when in-use - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 151
set offline, and the volume permission is set to read-only. NOTE: If you are using the Group Manager CLI, you must perform these tasks manually before you can convert to a template volume. About Volumes 151 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 152
• Volume reserve decreases to the amount of in-use space (or the minimum volume reserve, whichever is greater), and free volume reserve becomes unreserved space. • Snapshot reserve is adjusted, based on the new volume reserve. If necessary to preserve existing snapshots, the snapshot reserve - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 153
accepted for this field if you type the value as a Unicode character string, which takes up a variable number of bytes, depending on the specific character. • Storage space assignment: About Volumes 153 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 154
- Snapshot reserve setting - Thin-provisioning setting • Access control • Multihost access To create a thin clone from a template volume: 1. Click Volumes. 2. Expand Volumes and then select the template volume. 3. Click Create thin clone to open the Create Thin Clone - Volume Settings dialog box. 4. - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 155
• All group members must be 10Gb-based arrays. Mixed groups of 1Gb and 10Gb arrays are not supported. Configure Data Center Bridging Ensure that you dell.com/techcenter/storage/w/wiki/4396.data-center-bridging-standards-behavioral-requirements-andconfiguration-guidelines-by-sis.aspx • The EqualLogic - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 156
dell.com/techcenter/storage/w/wiki/ 4355.configuring-dcb-with-equallogic arrays and be active. • You can also specify the DCB VLAN ID through the CLI using the grpparams dcb def-vlan-id command. See the Dell EqualLogic Group Manager CLI Reference Guide instructions on support DCB. 156 About Volumes - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 157
vSphere and on EqualLogic environments are managed by the Dell Virtual Storage Manager for VMware (VSM). VSM creates the VM entities on the array, using actions triggered VVols using VSM, see the Dell Virtual Storage Manager for VMware Installation and User's Guide. VMware Group Access Panel 157 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 158
or more access policies. Dell requires the use of Virtual Storage Manager (VSM) to establish storage devices, which equates to one or more PS Array groups. NOTE: Storage containers cannot be used to hold standard EqualLogic volumes, snapshots, or NAS containers. Storage containers are not supported - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 159
sizing is true of all types of VVols, including clones and snapshots The array implementation uses a 10x multiplier of the storage container physical size when computing the storage container's logical size. Therefore, a storage container with physical size of 10GB will have a logical size of 100GB - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 160
that describes the virtual machine VVols VVol Identification of the VVol Type VVol types, such as: config, data, swap, memory Storage container Name of the storage container Reported size Size reported for the virtual disk Status Status (bound or unbound) Last bound time Date and time - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 161
incorrectly propagated to Group Manager. To manually trigger a verification between the VSM and Group Manager, use the VSM system schedule command Verify Snapshots and Replicas Run Now. For details, see the Dell Virtual Storage Manager Installation and User's Guide. VMware Group Access Panel 161 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 162
-demand provisioning in a unified storage environment. You can perform basic and advanced operations on NAS storage, as shown in Table 39 an SMB home share Create, modify, or delete an NFS export Advanced Diagnose problems in a NAS cluster Shut down a NAS controller pair Delete a NAS cluster - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 163
, modify, or delete a local group for a NAS cluster Advanced Diagnose problems in a NAS cluster Delete a NAS cluster 12 NAS Cluster Configuration A . • FS7500 and FS7600 NAS clusters support four IPv4 addresses per controller. • FS7610 NAS clusters support two IPv4 addresses per controller. About - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 164
network requirements: - Enable jumbo frames on the switch ports used for the internal and SAN networks. - Enable flow control on the same ports. • Verify that a storage pool in the PS Series group has sufficient space to store the NAS reserve and client data. The NAS reserve contains NAS client data - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 165
SAN network NAS cluster management IP address NAS controller IP addresses Password for grpadmin account: NOTE: • If you are using DNS, you must manually add the NAS cluster IP address and NAS cluster name to the DNS server. • If you are in a routed client network and using multiple NAS - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 166
Retry. If the network configuration fails again, contact your service representative. The group remains operational during the NAS cluster configuration in the following sections. If you cannot correct the problem, contact your customer support representative. If an operation fails during a NAS - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 167
for your hardware configuration. • HW mismatch error Contact your customer service representative. • BPS error Check the BPS connectivity to the . Then, click Retry. If the validation fails again, contact your customer support representative. • IPMI error NOTE: For the FluidFS 7500 only, ensure that - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 168
• Configure the NAS cluster to use DNS (Domain Name Service), which is a networking service that translates Internet domain names into IP addresses. If you want to use DNS, manually add the NAS cluster IP address and NAS cluster name to the DNS server. If you are in a routed client network and using - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 169
, such as adding a NAS controller pair, detaching a NAS controller, or attaching a NAS controller operation. If the NAS reserve resize operation fails, contact your Dell support representative. Add a Local Group for a NAS Cluster To add a local group for a NAS cluster: NAS Cluster Operations 169 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 170
1. Click Group, expand Group Configuration, and then select the NAS cluster. 2. Click the Local Users and Groups tab. 3. In the Local Groups panel, click Add. 4. In the Add local user dialog box, specify the group name. NOTE: The group name accepts up to 20 ASCII characters, including letters, - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 171
is no automatic mapping. • Click Map users to manually map users. NOTE: You can use the Group Manager CLI to specify whether to map unmapped users to the guest account (the default setting). See the Dell EqualLogic Group Manager CLI Reference Guide. Delete a User Mapping for a NAS Cluster To delete - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 172
with preferred domain controller join, if an error message is generated, the domain controller is not added and must be added manually. • You cannot delete the Active Directory configuration. To stop using Active Directory, click Leave. Configure Preferred Domain Controllers Setting a preferred DC - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 173
3. In the Active Directory panel, click Leave. Domain users will be prevented from access if you leave the Active Directory domain. The status changes to not configured. NOTE: You cannot delete the Active Directory configuration. Configure or Modify NIS or LDAP for a NAS Cluster To authenticate UNIX - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 174
reconnects automatically. NOTE: Modify the MTU byte size only if directed by Dell support. For normal NAS cluster operation, a value of 1500 is required. Domain Name Service (DNS) is a networking service that translates Internet domain names into IP addresses. If you want to use DNS, manually add the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 175
After you perform a SAN network change with replication configured, you will need to manually create a new static route for the new SAN network. Modify the SAN Network Configuration , before shutting down the controllers or storage array when it is necessary to do so. NAS Cluster Operations 175 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 176
service tag identification numbers for instructions for shutting down a NAS controller. 5. Power off each NAS controller in turn. See one of the following manuals: • Dell Equallogic FS7500 Series Appliances Hardware Owner's Manual • Dell Equallogic FS7600 Series Appliances Hardware Owner's Manual • Dell Equallogic - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 177
you no longer need to provide NAS operations, you can delete the NAS cluster from the PS Series group. When you delete a NAS cluster: • All service data and all client data that is stored in the NAS reserve is destroyed. • The NAS reserve space is added back to the free pool - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 178
: • The NAS controllers are connected to the networks and power. • Each NAS controller is powered on and is in standby mode. • Obtain the service tag identification number for each controller that you are adding. Obtain and verify the following network resources: • 500GB of free NAS reserve space in - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 179
NAS cluster functionality, you must attach a functioning NAS controller to the service. After the new controller is attached, it inherits the NAS cluster a NAS controller only under the direction of your customer support representative and only when you are replacing that NAS controller - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 180
only when directed by your customer support representative. In some cases, your support representative might instruct you to cleanly shut down a the following information and NAS controller physical state: • Obtain the service tag identification number for the NAS controller that you want to - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 181
pauses intermittently, but I/O will resume with no manual intervention. Procedure To update the NAS controller: 1. Download the service pack from the customer support website: eqlsupport.dell.com 2. For model FS7600-series NAS appliances, follow the instructions to copy the firmware on to a CD-ROM - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 182
, contact your customer support representative. Cleanly Shut Down manuals address service tag location and how to shut down a NAS controller pair: • Dell Equallogic FS7500 Series Appliances Hardware Owner's Manual • Dell Equallogic FS7600 Series Appliances Hardware Owner's Manual • Dell Equallogic - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 183
14 NAS Container Operations Table 44. Basic and Advanced NAS Container Operations provides a list of basic and advanced NAS container operations. Table 44. Basic and Advanced NAS Container Operations Basic Create, modify, or delete NAS containers Create, modify, or delete an SMB share Enable, - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 184
Modify NAS Clusterwide Default NAS Container Settings To modify or display the NAS clusterwide default NAS container space settings: 1. Click Group, expand Group Configuration, and then select the NAS cluster. 2. Click the Defaults tab. 3. In the Default NAS Container Settings panel, modify the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 185
2. Click Modify Settings. The Modify Settings dialog box opens. 3. Click the Space tab. 4. In the Size field, enter the new size for the NAS container. 5. Click OK. Modify the Snapshot Reserve and Warning Limit for a NAS Container NOTE: Select the Enable data reduction checkbox to activate the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 186
. Of the three fields in the netgroup form (host, user, domain), FluidFS supports only the host field. You can configure the netgroups host field with one of directory. Access NFS Exports NFS version 3 relies on client authentication services. If a user can authenticate to a client machine, they can - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 187
root user, mount the NFS export and specify the NAS service IP address, the file-system name, and the export NAS_service_ip_address:/file_system_name /export_path mount_path Dell recommends the following options: upper 32 bits are utilized. To solve this problem, you can use either 32-bit or 64-bit - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 188
3. Select the NFS export in the NFS Exports panel and then click Modify NFS Export. The Modify NFS Export dialog box opens. 4. In the dialog box, click the Permissions tab. 5. Specify whether to allow access to all clients, if they meet other access control requirements, or to a specific IP address - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 189
optional security methods for a NAS cluster on a per NFS export basis. Use the CLI to specify these methods. See the Dell EqualLogic Group Manager CLI Reference Guide for more information. The nas-cluster select container select nfs-export select security-methods command allows you to choose from - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 190
. FluidFS v4 supports SMB protocol versions 1.0, 2.0, and 3.0. The default SMB protocol version is SMB 3.0. You can set the default to an earlier version using the CLI command nas-cluster select cluster_name smb-protocol. Refer to the Dell EqualLogic Group Manager CLI Reference Guide for more - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 191
initial SMB share when you create a NAS container. However, you cannot configure and enable the NAS antivirus service. You must modify this initial SMB share to configure and enable the antivirus service. 1. Click NAS, expand NAS clusters and Local Containers, and then select the NAS container name - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 192
about the CLI commands, see the Dell EqualLogic Group Manager CLI Reference Guide, which is available on the support site. Enable or Disable SMB Message NAS antivirus service, you cannot modify the antivirus settings for SMB shares. However, if you subsequently reconfigure the service, the settings - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 193
You can also enable access-based enumeration from the Group Manager CLI. For more information about the CLI commands, see the Dell EqualLogic Group Manager CLI Reference Guide. Enable Access-Based Enumeration at the SMB Share Level To enable access-based enumeration at the individual SMB share level - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 194
NOTE: Only the SMB shares created in a NAS container after setting this default property will have access-based enumeration by default. SMB shares that were created before setting this property still have the properties that were set when the shares were created. Enable Access-Based Enumeration on - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 195
You still must create the user folders yourself and set the permissions manually or by using an automated script if the automatic home folder creation click the Add button. A selection dialog box opens for user, computer, service account, or group. 3. In the text box labeled Enter the object name - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 196
, click Other users or group. A selection dialog box opens for user, computer, service account, or group. 4. In the text box labeled Enter the object name to container_name path_prefix [parameters] See the Dell EqualLogic Group Manager CLI Reference Guide for more information about the variables - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 197
, click the Edit button. The Permissions window opens. 3. In the Permissions window, click the Add button. The selection dialog box opens for user, computer, service account, or group. 4. In the text box labeled Enter the object name to select, type the name of a user and click OK. The Permissions - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 198
distribute the connections across stacked network switches for high availability. NOTE: Dell recommends that you separate the client and SAN network to avoid the following problems: • Congestion caused by client traffic and storage traffic passing over one network • Issues related to static routes - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 199
Optimal Virtual IP Assignment To optimize availability and performance, client connections are load balanced across the available NAS controllers. NAS controllers in a NAS cluster operate simultaneously. If one NAS controller fails, clients are automatically failed over to the remaining controllers. - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 200
optimal configuration settings, you must manually modify the VIPs of each be interpreted as a file-permission problem. At this point, only NAS share on which the NAS antivirus service is disabled. Otherwise, NAS antivirus NFS export, because NFS does not support NAS antivirus. NAS antivirus must be - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 201
on the cluster. • The server must be accessible by the network. Dell recommends that the server be located on the same subnet as the NAS supported antivirus software on the external antivirus servers. • Set up the antivirus software as a network-accessible service according to the user instructions - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 202
to all newly created SMB shares. The defaults do not apply to any existing SMB shares for which you have manually configured share-specific NAS antivirus settings. If you unconfigure the NAS antivirus service, you cannot modify the clusterwide defaults. However, if you subsequently reconfigure the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 203
scanning now reads enabled for this share. After you enable the antivirus service, you can: • Control which file types are excluded from being Item dialog box. NOTE: Wildcard characters (*) and question marks (?) are not supported in antivirus exclude paths. 5. Specify a file type such as xls or - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 204
If you have configured NAS antivirus, you can monitor which SMB shares are using the service. 1. Click NAS , expand NAS Clusters and Local Containers, and then select the NAS container name. 2. Click the SMB Shares tab. 3. In the Virus scanning column, - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 205
are processed according to the antivirus server's configuration. Dell recommends coordinating the antivirus server's own policies with individual SMB share. NOTE: Wildcard characters (*) and question marks (?) are not supported in antivirus exclude paths. 1. Click NAS, expand NAS Clusters and Local - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 206
be accessed through an NFS export. However, NAS antivirus does not support NFS exports. To access infected files: 1. Click NAS, expand NAS to the instructions provided by the antivirus software vendor or otherwise dispose of the file. Create a NAS Container Quota Quotas define how storage space on - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 207
5. Select the user type. 6. In the User field, you can enter a user name (or the beginning of a user name) and click the Search button. 7. Select the user and click Next. 8. In the Create quota - Quota settings dialog box, specify the following configuration settings: • Quota size and units (MB, GB, - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 208
NOTE: • You can create multiple quota directories, but nesting quota directories is not supported. • Quota rules can be set on empty directories only. After you set a quota rule for a directory. See the Dell EqualLogic Group Manager CLI Reference Guide for more information about these commands. - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 209
NOTE: Dell does not recommend using a combination of local and external authentication where no other container can take the space). The amount of reserved space is specified by the storage administrator. Reserved space is used before unreserved space. Unreserved Space A portion of a thin- - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 210
number and size of the NAS containers in a NAS cluster depend on the storage needs of your NAS clients and applications. You can increase or decrease the size Support user and group quotas • Support snapshots for data protection • Support thin clones • Support NDMP for remote backups • Support - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 211
changes icon afterward. If you do not, updates from the array will clear your selection. Thin-Provisioned Container Attributes Thin-provisioned containers during that process. NOTE: Rehydrating data affects performance and disk storage space utilization, because the data blocks are rendered on the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 212
and how frequently data reduction is performed. The NAS array controller manages the data reduction process. NOTE: To disable data reduction. Snapshots can still be manually created, deleted, and restored, and automatically storage resource and data reduction processing efficiency of your system. - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 213
to store data more efficiently. The Dell FluidFS cluster supports two types of data reduction: • enables you to reserve a maximum percentage of disk storage space for snapshots. When a snapshot is created, Supported Snapshot Actions Before Data Reduction Manually create snapshots Yes Manually - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 214
the ignorefilters flag enables data reduction on a container with archive data without waiting for the minimum Access Time/ Modify Time data-reduction policy. Dell recommends that you not use this setting on containers with live data. That is, you should use this setting only on containers with - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 215
waiting for the minimum Access Time/ Modify Time data-reduction policy. Dell recommends that you not use this setting on containers with live data. which is enabled whenever data reduction is enabled, increases disk storage space utilization efficiency with both text and binary files. Modify - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 216
archive data without waiting for the minimum Access Time/ Modify Time data-reduction policy. Dell recommends that you not use this setting on containers with live data. That is, reduction completes on NAS_B, the data reduction service begins running on container NAS_A. 216 NAS Container Operations - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 217
Analyzing data on a container for data reduction will take longer than scanning and reducing previously analyzed data. When defining the data reduction schedule on your system, consider when all files on a container need to have been analyzed for data reduction. The efficiency of the data reduction - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 218
to offload some specific storage-related tasks to the underlying FluidFS appliances. The plugin supports the following VAAI NAS way they are installed. Installation Instructions The FS Series VAAI plugin supports ESXi versions 5.5, 5.5U1, DELL VMwareAccepted 2015-02-17 218 NAS Container Operations - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 219
file size 16777216 TB UUID: 1cec81cb-6db87d1c-0000-000000000000 Partitions spanned (on "notDCS"): nfs:FSseries_Datastore NAS VAAI Supported: YES Is Native Snapshot Capable: YES Removal Instructions To remove the VAAI plugin from an ESXi host: 1. Execute the following command in the ESXi host console - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 220
NAS Cluster and PS Series Issues If you have to work with Dell support to resolve an issue related to a PS Series array or a NAS cluster, you can provide the support team with necessary data to facilitate successful troubleshooting of the issue without having to install software or download tools - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 221
• General System For more information, see the Dell EqualLogic Group Manager CLI Reference Guide. Offline Diagnostics To obtain offline diagnostics, the NAS cluster must be offline or not serving data. Diagnostics can help you troubleshoot low-level hardware issues. Offline diagnostics use the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 222
4. Choose the appropriate option. 5. Press the Escape key at any time during a test to stop the test. Generating PS Series and NAS Cluster Diagnostics Reports NOTE: To generate diagnostics reports, you must have group administrator (grpadmin) privileges. To generate a diagnostics report: 1. Log in - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 223
, also install the latest service pack updates. Before reinstalling • Back up your data (recommended by Dell). To reinstall FS Series firmware v4: 1. see the Hardware Owner's Manual for your system. NOTE: Power times to access the menu 4. Select Generic STORAGE DEVICE. 5. On the next screen, select - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 224
over long distances. You can quickly configure volumes for replication. The PS Series arrays manage the underlying hardware resource complexity. Synchronous replication allows replication across two different storage pools in the same PS Series group, resulting in two hardware independent copies of - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 225
NAS cluster supports the Network Data Management Protocol (NDMP), which facilitates backup operations for network-attached storage, including NAS Manually deleting the temporary NDMP snapshot immediately terminates the current backup session. If you change the NAS cluster IP address, the NDMP service - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 226
A snapshot represents the contents of a volume at the time of creation. You can create snapshots of standard volumes, in addition to template volumes and thin clone volumes. A volume can be restored from a snapshot or a snapshot can be cloned to create a new volume. Creating a snapshot does not - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 227
NOTE: Generally, snapshots will not be deleted unless you take action to delete them. In some instances, however, snapshots can be deleted by the system. For example, when a new snapshot is taken and not enough snapshot reserve space is available for the new snapshot and the previous one, the older - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 228
Space. In the Snapshot Space section, modify the following values as needed: • Snapshot reserve - The reserve is the amount of space allocated to snapshot storage for the volume. It is expressed as a percentage of the volume's size. For example, if the volume size is 100GB and the snapshot reserve - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 229
number of bytes, depending on the specific character.) For information about the number of snapshots that can be created, see the Dell EqualLogic PS Series Storage Arrays Release Notes. When the maximum number of snapshots for a volume or group is reached, the system displays an error message and - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 230
Type dialog box opens. 5. Select the permission for the snapshot (either Set read-write or Set read-only). 6. If your environment supports multiple initiators accessing a volume, you can check the Allow simultaneous connections from initiators with different IQNs checkbox. This option is disabled by - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 231
size is different from that of the volume. To restore a volume from a snapshot: 1. Disconnect any iSCSI initiators from the volume. Follow the instructions for your operating system and initiator. 2. Click Volumes. 3. Expand Volumes and then select the volume name. 4. Click Set offline and confirm - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 232
appears (identified by its timestamp) when you expand the NAS container name in the far-left panel. About Deleting NAS Container Snapshots You can manually delete a snapshot when it is no longer needed. The NAS cluster automatically deletes one or more of the oldest snapshots for a NAS container - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 233
using a volume collection is to create a custom snapshot collection. Custom snapshot collections can include any volume in the group, so you manually select which volumes you want to include when you configure the collection. Unlike the standard snapshot collection, you cannot create a schedule for - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 234
Fewer characters are accepted for this field if you type the value as a Unicode character string, which takes up a variable number of bytes, depending on the specific character. - (Optional) Collection description, up to 127 characters, including colons, hyphens, and periods. Fewer characters are - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 235
About Snapshot Space Borrowing Snapshot space borrowing enables the system to temporarily increase the available snapshot space for a volume by borrowing from other sources. If borrowed space is needed for other functions, the firmware might delete snapshots that are borrowing space. Because of this - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 236
. You can use PS Series replication functionality alone or with Auto-Snapshot Manager (for Linux and Windows), Dell Virtual Storage Manager for VMware (formerly ASM/VE), or Storage Replication Adapter for VMware Site Recovery Manager. See the related product documentation for details. The first step - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 237
, called manual transfer replication, accommodates less common instances where the network link between groups might be insufficient to support large data it to the other member. See the Dell EqualLogic Manual Transfer Utility Installation and User's Guide for more information. Plan Your Volume - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 238
. 9. Monitor each replication operation and make sure it is successful. If the replication operation is not successful, identify and correct the problem. For example, you might need to increase network bandwidth or increase replication space. 10. Monitor the number of replicas and replication space - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 239
Figure 16. Replication to Multiple Partners Reciprocal Replication Between Partners Both partners replicate volumes to each other. For example, in Figure 17. Reciprocal Replication Between Partners, GroupA replicates Volume1 to GroupB, and GroupB replicates Volume2 to GroupA. For the replication of - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 240
and to keep the desired number of volume replicas, you must allocate sufficient replication space. To determine the optimal amount of replication space, Dell recommends that you set up replication using the default space values, monitor activity over some time period, analyze the space usage, and - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 241
Figure 19. Local Replication Reserve Local replication reserve has two purposes: • Preserve the contents of the volume at the time replication started. The primary group creates a snapshot of the volume in the local replication reserve to preserve the contents of the volume at the time replication - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 242
a local replication reserve value that is less than 100 percent, sufficient space might not be available to maintain the failback snapshot. Therefore, Dell recommends that you select the option that allows you to borrow free pool space if not enough local replication reserve is available. Guidelines - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 243
The local replication reserve size is based on a percentage (5 percent to 200 percent) of the volume reserve. For a thin-provisioned volume, the volume reserve size changes dynamically based on volume usage; therefore, the local replication reserve size also changes. The recommended local - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 244
The secondary group administrator delegates space to the primary group when configuring the group as a replication partner. The administrator can modify the partner configuration and increase or decrease delegated space as needed. When the primary group administrator configures a volume for - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 245
2. The primary group increases the replica reserve if the replica volume usage increased since you enabled replication on the volume. NOTE: If delegated space is too small to hold the increased, replica reserve, the primary group generates an event message and replication pauses. Replication resumes - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 246
, and the replication frequency. See How Volume Changes Affect Replication Space. Use the following guidelines for sizing replica reserve: • Recommended value Dell recommends that you specify 200 percent for the replica reserve. Specifying 200 percent guarantees that you can store at least two - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 247
If your system has delegated space configured across multiple storage pools, the size of the space in at least a replication operation requires copying a large amount of data, you might want to use manual transfer replication. For each replication operation, you can display the amount of data that - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 248
Firmware Matrix shows the firmware versions compatible with version 9. You can also check the Dell EqualLogic PS Series Storage Arrays Release Notes for the most current list. Table 48. Replication Support - Partner Firmware Matrix Firmware on Group Firmware on Partner v9.1.x v9.0.x, v9.1x v9 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 249
Primary Group Replication Attributes Table 49. Primary Volume Replication Attributes describes attributes that you set when you configure a volume for replication in the primary group. You can modify the replication configuration and change the attribute values. Table 49. Primary Volume Replication - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 250
promoted replica that does not have antivirus enabled. You will have to manually create the same shares that were on the original on the promoted replica an FS7500 cluster to an FS7610 cluster. You cannot use the Manual Transfer Utility to facilitate NAS container replication. NOTE: The requirements - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 251
displays information about the replicas. You can also choose to perform the replication by using manual transfer replication. See the Dell EqualLogic Manual Transfer Utility Installation and User's Guide for more information. Replication Partner Fields You need the information in the following table - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 252
the group has more than one pool, you can specify a new value for each one as needed.) 5. Click OK. Modify Replication Services To modify the replication services on a partner that is being replicated (the source), and enable or disable volume or NAS container replication: 1. Click Replication and - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 253
NOTE: If the group is hosting a recovery volume from the partner, before you delete the partner either: • Demote the recovery volume to an inbound replica set (which is deleted when you delete the partner). Double-click the recovery volume in the far-left panel and click Demote to replica set. • - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 254
Pause and Resume Replication of a Volume You can pause and resume volume replication. For example, tasks such as promoting a replica set require you to first pause volume replication. To pause replication for a volume: 1. Click Volumes. 2. Expand Volumes and then select the volume name. 3. In the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 255
for replication to a partner. • Configure the volume collection to replicate to the same partner. • If the volume is large, consider using the Manual Transfer Utility (MTU) to perform the initial upload of data to the partner. • You should always monitor replication activity to make sure that the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 256
set, which is the set of replicas created over time. You can create replicas of individual volumes or volume collections. You can create replicas manually at any time, or you can set up a schedule. Individual replicas are identified by the date and time that the replication operation started. The - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 257
Volumes and then select the volume name. 3. Click Create replica to open the Create Replica dialog box. 4. (Optional) Select Perform manual replication to use manual transfer replication to perform the replication. 5. Click Yes to start the replication. Monitor replication to make sure that replicas - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 258
or replica sets from the secondary group, the primary group information is not updated and errors can result. The following considerations apply: • Dell recommends that you delete replicas when you are logged in to the primary group. • Deleting a replica set disables replication on the volume - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 259
set for a volume collection. Deleting a replica collection deletes all the replicas that are in the collection. The following considerations apply: • Dell recommends that you delete replicas when you are logged in to the primary group. • Deleting a replica collection set disables replication on the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 260
PS series. DSM should be used to manage cross-platform replication as Group Manager supports read-only view of cross-platform replication. See the Dell Storage Manager Administrator's Guide for detailed information about cross-platform replication using DSM. Unsupported Functionality Cross-platform - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 261
is part of a volume collection, make sure that a schedule for the collection does not overlap a schedule for the volume. • You cannot use manual transfer replication with a replication schedule. Schedules apply only to network replications. Scheduled replications do not run until any in-process - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 262
• Schedule type (snapshot or replication) • Schedule frequency (one time, hourly, or daily) Attributes that are available for modification depend on the type and frequency of the schedule. To modify a schedule: 1. Click Volumes, and then either: • Expand Volumes, select the volume, and click the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 263
NOTE: You cannot change the schedule type. 5. Click OK. Monitor NAS Snapshot Schedules 1. Select Monitoring in the navigation menu. 2. Under NAS Schedules, select NAS Snapshot schedules. 3. Right-click any of the data fields to modify, delete, enable, or disable a schedule: • Name - User-defined - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 264
you can make the promotion permanent. - Moving a replica set to another storage pool. - Switching partner roles so that the primary group is now the secondary initiators can continue to access the recovery volume. Recommendation: Dell recommends that you replicate the recovery volume to the primary - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 265
copy of the recovery volume data. • Moving a failback replica set to a different storage pool - You can move a failback replica set to a different pool in the you can use the Failback to Primary operation. Recommendation: Dell recommends that you use the Replicate to Partner operation before failing - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 266
multiple tasks. You can perform each task in the operation individually. One step in the procedure requires that you create a replica. You can use manual replication if you have a large amount of data to transfer. To fail back a volume to a partner using individual tasks: 1. From the primary group - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 267
if a large amount of data must be transferred. See the Dell EqualLogic Manual Transfer Utility Installation and User's Guide or the online help for information. To replicate a recovery volume to a partner using individual tasks: 1. Log in to the primary group and then: a. Set the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 268
• Before you can make a template replica set promotion permanent, you must permanently promote all the attached thin clone replica sets. • You must specify: - A new volume name, must be unique name in the group Name can be up to 63 bytes and is case-insensitive. You can use any printable Unicode - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 269
considerations apply: • You cannot replicate a recovery template volume. • Dell recommends that you replicate the recovery volume to the primary group 5.0 or greater. If you do not meet this requirement, you must manually perform the Replicate to Partner procedure. • You must stop all replications - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 270
password. 6. Select whether to perform the replication by using manual transfer replication. 7. Select whether to save the primary Click the Failback Operations tab. If an individual task fails, you must correct the problem and then retry the task. When the volume demote task on the primary group - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 271
• Retain the iSCSI target name of the original volume. • Keep the ability to demote to the replica set. (Unless you are permanently promoting the replica set, make sure that you keep this ability.) 7. Click Next to open the Promote Replica Set - iSCSI Access panel. 8. Specify the following - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 272
to Primary operation, correct the problem. After correcting the problem, in the Failback Operations panel operation. The following considerations apply: • Dell recommends that you use the Replicate to whether to perform the replication by using manual transfer replication. 8. Select whether to save - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 273
a. Demote the original volume to a failback replica set on the primary group. b. Replicate the recovery volume to the primary group. If you kept the failback snapshot for the original volume, only the changes made to the recovery volume are replicated. 3. When you are ready to fail back to the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 274
as a Unicode character string, which takes up a variable number of bytes, depending on the specific character. • (Optional) Type a description. • Select the storage pool. 8. Click Next to open the Promote Replica Set - iSCSI Access dialog box and specify the following information: • Select what kind - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 275
About Failing Over and Failing Back a Volume If a failure or maintenance in the primary group makes a volume unavailable, you can fail over to the secondary group and allow users to access the volume. If the primary group becomes available, you can fail back to the primary group. Restriction: You - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 276
Figure 22. Primary Group Failure (Data Not Available) Figure 23. Step 1-Fail Over to the Secondary Group (Data Available) shows the first step in recovering data on the secondary group, which is to fail over the volume to the secondary group. To fail over the volume, promote the inbound replica set - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 277
Figure 24. Step 2-Replicate to the Primary Group (Data Available and Protected) shows the second step in recovering data- replicate to the primary group. When the primary group is available: • Demote the original volume to a failback replica set. • Replicate the recovery volume to the primary group. - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 278
recovery restores data on a primary storage resource and returns that resource to incurs a catastrophic loss, contact Dell Technical Support for assistance. Disaster recovery requires to a source volume You can perform these operations manually, or you can perform the replicate to partner and - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 279
replication on your system as part of recovering from a disaster, the type of replication you perform is determined by the state of your storage resources. • Manual replication - Use this process if you are not able to restore data to the primary volume after failing over to the recovery volume - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 280
TCP ports opened over a secure tunnel and communication using the storage area network (SAN). NAS replication opens several TCP ports. The the SAN's physical and logical ports/IP addresses used on the: - Dell EqualLogic arrays - NAS controllers • A path through the firewall for the appropriate TCP/ - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 281
EqualLogic arrays and FS Series NAS appliances for initiating communications to other EqualLogic arrays route back with the updated information. NOTE: You can manually configure the NAS static routes only using the CLI. You Dell EqualLogic Group Manager CLI Reference Guide. About Data Recovery 281 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 282
FS7610 Cluster Management and Replication Port CAUTION: The ports identified with an arrow in Figure 28. FS7610 NAS Cluster Management and Replication Port are used for NAS cluster management and replication functionality. It is critical that these ports remain connected and operational at all times - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 283
Monitor each replication operation and make sure it is successful. If the replication operation is not successful, identify and correct the problem. For example, you might need to increase network bandwidth or increase replication space. NAS Volume Replication Operations The following operations are - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 284
, you can replicate from an FS7500 cluster to an FS7610 cluster. • The network connection between the replication partners must be capable of supporting replication data transfers. The Manual Transfer Utility (MTU) cannot be used to facilitate NAS container replication. 284 About Data Recovery - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 285
the destination cluster is not supported between major revisions (such as for replication, see the Installation and Setup Guide to complete the following tasks: • Allocate affect client access performance. You can perform these operations manually as part of the replication process or you can perform - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 286
export. NOTE: Restoring volume configuration on the destination cluster is not supported between major revisions (such as version 2 > version 3). About Single- between the replica container and a new source container, manually perform replication from the replica container to the new source - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 287
on the destination cluster. NOTE: Replica containers count toward the total number of containers in the group. See the Dell EqualLogic PS Series Storage Arrays Release Notes for the maximum number of containers allowed in a group. • Container Replication of configuration information about SMB shares - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 288
that it replicate back to the original source container. 3. Manually perform replication on the promoted recovery container. 4. After replication completes NOTE: Restoring volume configuration on the destination cluster is not supported between major revisions (such as version 2 > version 3). - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 289
NOTE: To display replication history: 1. Click Monitoring. 2. Below NAS Replication, select Outbound Replica Containers. 3. Select the Replication History button. Activate the Source Cluster When you configure the source cluster to serve client requests, you reverse the changes that you made when - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 290
Partner wizard and at any time after you have defined a replication partnership. If you do not test the partnership, any configuration problems between the configured partners are not identified until the source first tries replicating to the replication partner. To test a replication partnership - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 291
test from running. If you continue to receive this error, contact Dell customer support. OK All of the following conditions have been validated: • The to return to the wizard tab, where you can resolve the problems found with the IP address verification. Delete Replication for a NAS Container - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 292
the source cluster configuration needs to be applied to the destination cluster, contact Dell Technical Support for assistance. Fail Over to a Recovery Volume Failing over to a recovery volume prepares storage resources to recover data that was replicated to a replica volume. A primary volume does - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 293
between the primary volume and the replica volume, enabling the recovery volume to restore data to the primary volume. You can perform these operations manually as part of the failback process or you can perform them as part of the single-step failback process. Time and bandwidth, as well - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 294
the source cluster. 6. Recreate the replication relationship. NOTE: You have to reinstall Dell Fluid File System (FluidFS) on the source cluster only if the source cluster is entirely new. See the Installation and Setup Guide if you must reconfigure the source cluster. About Promotions and Recovery - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 295
About Cloning Volumes Cloning a volume creates a new standard volume, template volume, or thin clone volume, with a new name and iSCSI target, but the same reported size, pool, and contents as the original volume at the time of the cloning. • [Parent volume] Templates are read-only (gold image) - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 296
• Cloning a thin clone replica creates a new thin clone volume, which remains attached to the thin clone replica set. By default, the new volume is set online, has read-write permissions, and uses the group default snapshot space and iSCSI settings. Cloning a replica consumes 100 percent of the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 297
up to 32 volumes for synchronous replication, a PS Series group must contain only PS6xx0 arrays. If the group contains one or more PS4xx0 arrays, only 4 volumes are supported. How Synchronous Replication Works Synchronous replication (SyncRep) is enabled on a per-volume basis. For volumes for - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 298
pool occurs, you promote the replica set on the secondary group to can manually switch the volume to the alternate a recovery volume. pool. After the promotion the volume is disrupted by the preconfigured to use the secondary group storage. switch, but iSCSI initiators do not need to be See " - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 299
volume becomes in sync. PS Series group requirements Two PS Series groups, each of which must contain One PS Series group containing two storage pools, at least one member. The groups' pool each of which must contain at least one member. configuration is not a consideration. How Synchronous - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 300
Figure 32. Synchronous Replication 1. The iSCSI initiator sends a write to the group. 2. Data is simultaneously written to both the SyncActive and SyncAlternate volumes. 3. The SyncActive and SyncAlternate volumes confirm to the group that the writes are complete. 4. The write is confirmed to the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 301
• Until all tracked changes are written, the data in the SyncAlternate volume is valid only up to the point in time when the volume went out of sync. • While changes are being tracked or when tracked changes are being written back to the SyncAlternate volume, performance might be temporarily - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 302
operation will not succeed from any member in the SyncActive pool, contact your Dell support provider for assistance. • Log in to the Group Manager GUI using an contain only PS6cxx0 arrays. If the group contains one or more PS4xx0 arrays, only 4 volumes are supported. Synchronous Replication States - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 303
A volume can become out of sync if synchronous replication is paused, or if one of the volumes becomes unavailable or has no free space. The volume can become out of sync when the snapshot reserve in the SyncAlternate volume is full, but only when the snapshot space recovery policy sets volumes - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 304
system snapshot, the group cannot put an out-of-sync volume back in sync. To ensure that a volume can be put back in sync, Dell recommends that snapshot borrowing be enabled in groups where synchronous replication is in use, and that the snapshot reserve for synchronous replication volumes be set - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 305
pool, or if maintenance needs to be performed on the array hardware in the active pool. You can also switch pools at When the failover is complete, you must manually set the volume online and resume synchronous replication the additional capability of supporting synchronous replication operations. In - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 306
collection have the same pool assignments. In the CLI, you must manually set the pool assignments before creating the collection. For example, assume you might disrupt iSCSI connections to the volume. Consequently, Dell recommends that synchronous replication volume collections should be created - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 307
Storage Pool and Create a Storage Pool from an Existing Member. NOTE: You cannot enable synchronous replication on a volume for which traditional replication is configured, and you cannot enable traditional replication on a volume for which synchronous replication is configured. For instructions - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 308
(SyncRep) for a volume collection, all volumes in the collection must: • Have synchronous replication enabled • Be in sync • Use the same two storage pools • Not belong to another SyncRep collection • Not be moving from one pool to another To enable SyncRep for a volume collection: 1. Click Volumes - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 309
cases, you might have to restart host applications, iSCSI initiators, or operating systems for hosts to reconnect to the volume. Consequently, Dell recommends that synchronous replication switches and failovers be performed during periods of downtime or minimal activity. Switch from SyncActive to - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 310
If you fail over to the alternate pool while the volume is out of sync, any changes written to the volume since it went out of sync will be written to a snapshot. As with other snapshots, it can be cloned or restored, but is also subject to deletion by the group's snapshot retention policy. If the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 311
protect your data, a SED will immediately lock itself whenever it is removed from the array (or otherwise powers down). If the drive is lost or stolen, its contents are inaccessible without the encryption key. The Dell AutoSED feature provides the benefits of SED security with no effort on the part - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 312
are configured at the factory. When the drives are installed into an array, the array automatically detects the new SED drives and locks them. This process is in the event that a disk needs to be sent to a data recovery service. Use the Maintenance tab to back up the disk encryption key shares. How - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 313
Every volume in this pool immediately becomes insecure. Because of Dell EqualLogic's automatic load balancing, volumes and snapshots will be spread array automatically creates and presents a backup set during initial setup, when the RAID policy is configured. Additional backup sets can be manually - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 314
. If a SED disk goes offline due to power failure, removal from the array, or disk failure, the disk is automatically locked, and any data residing in to erase a drive, AutoSED will always do so, without intervention. A manual secureerase is never necessary, so no command is provided to perform it. - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 315
resecured again to exclude drive #2. As a result, both drives now exclude each other. Both drives can be safely repurposed, discarded, or returned to Dell. 3. SED array is operating normally. Then, half of the drives are removed one at a time. Security is not compromised. As in Example 2, each drive - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 316
needs the SEDset key from array X. The drive can be manually converted to a spare, and doing so will instantly erase it. 7. SED array is operating normally. A keying system, requiring no external Key Management Service (KMS). Exclusive to Dell, automatic local keying relies upon the concept of - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 317
remaining share cannot recover the key and is useless. Example: AutoSED Key Sharing Consider an enclosure with 22 active drives and 2 spares: 1. When the array is first set up, AutoSED generates shares for all the active drives, which are in Set A. Because spares are excluded, Set A has 22 shares - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 318
PS Series array groups provides data that enables you to assess the health of your storage environment to quickly identify hardware and software problems. Monitoring provides valuable data about the time and action of users on the system, protecting against security intrusions. Using Dell EqualLogic - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 319
alarms, actions, group operations, and failback operations), and storage pool free space • Group members (including a specific member To more effectively monitor multiple PS Series groups from a single GUI, Dell recommends that you use the SAN Headquarters monitoring tool. Start Performance Monitor - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 320
NOTE: The "Go to" icons work only when monitoring is paused. Table 54. Performance Monitor Operation Iconss Icon Operation Start polling the data. Stop polling the data. Go to the start (first item). Go to the previous item. Go to the next item. Go to the end (last item). Add, Change, or - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 321
To delete counter sets: 1. In the Performance Monitor window, click Add statistics. 2. In the Select Statistics dialog box, click Counter sets. 3. In the Counter Set Management dialog box, select the counter set that you want to delete. 4. Click the Delete link. 5. In the Delete Counter Set - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 322
Figure 35. Performance Monitor - Select Data Point Customizing the Performance Monitor Within the Performance Monitor window, you can change the following items: • Colors used in graphs See Change the Display Colors. • Values for data points: - Length of time between which data points are collected - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 323
Figure 36. Performance Monitor - Select a Color Dialog Box Change the Data Collection Parameter Values You can change the following parameter values for data collection as needed: • Time between data points • Number of data points to save Table 56. Data Collection Values shows the parameters and - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 324
are automatically uploaded to Dell Technical Support for analysis, unless Quickly be informed of problems related to hardware, capacity in data for a more accurate picture of your storage performance. • View real-time data for group the Dell EqualLogic SAN Headquarters Installation and User's Guide. - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 325
and in each pool (if applicable). The Storage Pools and Group Members panel lists all the member are also offline. If a member has a problem, double-click the member to display additional information. Hardware Owner's Manual for your array model or contact your PS Series support provider. • The - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 326
card with no impact on group operation. • For information about replacing channel cards, see the Hardware Owner's Manual for your array model or contact your PS Series support provider. Monitor a Specific Member 1. Click Group. 2. Expand Members and select the member name. 3. Click the Status tab - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 327
a control module, see the Hardware Owner's Manual for your array model or contact your PS Series support provider. Do not remove a failed control module Identify why the cache is in write-through mode and correct the problem, if necessary. Control Module Status Table 57. Control Module Status - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 328
, depending on the array model, and provides solutions for any problems. Table 58. Cache an extended period of time, contact your PS Series service provider for more information. Does not apply to the support provider for information about replacing a channel card. Contact your PS Series support - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 329
see the Hardware Owner's Manual for your array model or contact your PS Series support provider. NVRAM Battery Status Table 60. NVRAM Battery Status describes status values for control module NVRAM coin cell batteries and provides solutions for any problems. NOTE: Some arrays do not have an NVRAM - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 330
set offline and data might be lost. In some cases, a member might detect a problem with a drive. The member automatically copies the data on the failing drive to a drives, see the Hardware Owner's Manual for your array model or contact your PS Series support provider. Monitor Network Hardware A - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 331
in the group: • Click Monitoring → iSCSI Connections. About Storage Performance To optimize your SAN performance, be sure to regularly analyze Check for damaged hardware Eliminate bad hardware as the initial cause of performance problems. The issue might be as simple as an unplugged power cable. • - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 332
EqualLogic SAN Headquarters Installation and User's Guide. • Basic performance terminology and the type of data collected. • The areas in your environment that can be sources of performance problems and which areas the monitoring tools look at. • How your applications use group storage resources - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 333
- Application being run or accessed - Storage environment • Use the 80/20 rule. By focusing on 20 percent of the most likely causes of a performance issue, you will solve 80 percent of the problems. • Keep the host perspective in mind when managing the arrays. In particular: - Make sure time is - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 334
help identify hardware-related issues. SAN Headquarters easily tracks the array model, service tag, and serial number, plus RAID status and policy, . If latency statistics indicate a performance problem, examine the total IOPS in the pools. The storage array configuration (disk drives and RAID level - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 335
IOPS that can be sustained. EqualLogic customer support or your channel partner can help size storage configurations for specific workloads. Also, review the latency on your servers. If the storage does not show a high latency but the server does, the source of the problem might be the server or - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 336
Monitor Administrative Sessions To monitor administrative statistics: 1. Click Monitoring. 2. Select Administrative Sessions. The Active Sessions and Most Recent Login by Account panels display information about the different sessions. Monitor Snapshot Schedules To monitor snapshot schedules: 1. - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 337
requested status. The group sets a volume or snapshot offline if network problems occur or if a member that contains volume data is not available. If the group sets a volume offline because of a problem, the group also sets all its snapshots offline. The group also sets a - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 338
full IP routing. If necessary, increase the network bandwidth. Additionally, check how much data you are replicating. You might want to use manual transfer replication if you are transferring a large amount of data. Monitoring Replication Partners You can monitor information about all the configured - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 339
Description Incomplete replication operations If a replication operation fails to complete, you might need to increase replication space. Incomplete manual transfer operations or failback operations Some operations require multiple tasks that administrators must complete. Make sure you complete - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 340
network bandwidth. In the Data size column of the panel, check how much data you are replicating. You might want to use manual transfer replication if you are transferring a large amount of data. Monitor Replication Schedules To monitor replication schedules: 1. Click Monitoring. 2. Under Schedules - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 341
• Warning - Condition that decreases performance or can become critical if you do not correct it. • Critical - Serious problem that can cause damage to the array or data loss. When an alarm occurs: • The Alarms panel header flashes. Click the header to open and close the panel. • The group generates - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 342
and Operations panel and click the Critical tab to display Critical alarms. A critical alarm indicates a serious problem that can cause damage to the array or data loss. Correct the problem that causes a critical alarm immediately. Table 66. Alarm and Operations Panel - Critical Tab shows the - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 343
because it exceeds the temperature limit - Cache contains data that does not belong to any of the installed disk drives • Cooling component fault: - Array temperature exceeds upper or lower limit - Missing fan tray or cooling module - Both fans failed on a fan tray or cooling module • Hardware - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 344
by default. About Diagnostics Diagnostics collect information about events that occur on a Dell EqualLogic storage system. Dell customer support can use these generated diagnostic reports to propose a solution to a problem with your system. You can generate a complete diagnostic report based on - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 345
generated and stored on the array. Because of the size of these reports, they cannot be emailed to your Dell customer support representative, but can be retrieved by File Transfer Protocol (FTP) or Service Control Point (SCP). If you are troubleshooting a problem with a PS Series system and - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 346
members are selected to be included in the diagnostic report. A member is selected if the Select checkbox for that member is checked. If your Dell support representative directed you to remove any member from the report, verify that the Select checkbox for that member is clear. 7. Click Next. 8. If - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 347
Troubleshooting Performance Issues To effectively manage your storage performance, follow these basic steps to troubleshoot issues: • Fix any failed hardware components in the Dell storage array: - Ensure that the array any network hardware problems that are causing storage. Use the Dell EqualLogic - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 348
Dell EqualLogic. • Make sure the switches and interswitch links have sufficient bandwidth for the iSCSI I/O. Contact EqualLogic customer support do not configure a dedicated management network. Storage Pool Capacity Low storage pool capacity is a problem that generates an alert in SAN Headquarters. - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 349
. iSCSI Connections Large, complex environments can use many iSCSI connections. A storage pool in a PS Series group can support numerous simultaneous connections, as described in the Dell EqualLogic PS Series Storage Arrays Release Notes. These connections can be used for fully provisioned volumes - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 350
Ensure that MPIO is supported and properly configured, according to the documentation for the operating system. You can also monitor multiple PS Series groups with SAN Headquarters and can launch the Group Manager GUI from there; however, you cannot directly manage the storage from SAN Headquarters - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 351
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 352
This code is derived from software contributed to The NetBSD Foundation by Jonathan Stone. This code is derived from software contributed to The NetBSD Foundation by Jason R. Thorpe. This code is derived from software contributed to The NetBSD Foundation by UCHIYAMA Yasushi. This product includes - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 353
Copyright © 1995 - 2000 WIDE Project. All rights reserved. © UNIX System Laboratories, Inc. All or some portions of this file are derived from material licensed to the University of California by American Telephone and Telegraph Co. or UNIX System Laboratories, Inc. and are reproduced herein with - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 354
Copyright © 1995 by Wietse Venema. All rights reserved. Copyright © 1999 The OpenSSL Project. All rights reserved. Copyright © 1992 - 1999 Theo de Raadt. All rights reserved. Copyright © 1999 Dug Song. All rights reserved. Copyright © 2000-2002 Markus Friedl. All rights reserved. Copyright © 2001 - Dell EqualLogic PS6610E | EqualLogic Group Manager Administrator s Guide PS Seri - Page 355
This product includes software developed by Alistair G. Crooks. Copyright © 1999 Alistair G. Crooks. All rights reserved. Copyright © 2001 Cerbero Associates Inc. Copyright © 1995-1998 Mark Adler. Copyright © 1995-1998 Jean-loup Gailly. Copyright © 1998-1999 Brett Lymn. All rights reserved.
Dell EqualLogic Group Manager
Administrator’s Guide
PS Series Firmware Version 9.1
FS Series Firmware Version 4.0