Dell PowerStore 5200T EMC PowerStore Host Configuration Guide
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- Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 1
Dell EMC PowerStore Host Configuration Guide July 2022 Rev. A10 - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 2
of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2020 - 2022 Dell Inc. or its subsidiaries. All rights reserved. Dell - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 3
18 SAN - Minimal Configuration...18 SAN - Recommended Configuration...19 Chapter 3: Host Configuration for VMware vSphere ESXi 23 Related E-Lab Host Connectivity Guide...23 Chapter Scope...23 Recommended Configuration Values Summary...23 Boot from SAN...25 Fibre Channel (FC) Configuration...25 Pre - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 4
Operating System Settings 47 Creating a File System...47 Chapter 4: Host Configuration for Microsoft Windows 48 Related E-Lab Host Connectivity Guide...48 Recommended Configuration Values Summary...48 Boot from SAN...49 Fibre Channel Configuration...49 Pre-Requisites...49 iSCSI Configuration...49 - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 5
69 Mounting iSCSI File Systems...69 Chapter 6: Host Configuration for AIX 71 Related E-Lab Host Connectivity Guide...71 Recommended Configuration Values Summary...71 2 TB LUN Size Support...72 Boot from SAN...72 Fibre Channel Configuration...72 Pre-Requisites...72 Queue Depth...73 Fast I/O Failure - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 6
Host Configuration for HP-UX 85 Related E-Lab Host Connectivity Guide...85 Recommended Configuration Values Summary...85 Boot from SAN...86 90 Consideration for Boot from SAN with PowerStore 90 Appendix B: Troubleshooting...91 View Configured Storage Networks for NVMe/TCP 91 View Configured - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 7
https:// www.dell.com/powerstoredocs. ● Troubleshooting For information about products, software updates, licensing, and service, go to https://www.dell.com/support and locate the appropriate product support page. ● Technical support For technical support and service requests, go to https://www.dell - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 8
ESXi hosts that are connected externally to PowerStore. For configuring an internal ESXi host in PowerStore X model, refer to the PowerStore Virtualization Guide. For further host connectivity best practices in conjunction to other Dell EMC storage systems, also refer to the E-Lab Host Connectivity - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 9
(such as a volume or a clone), by setting the device LUN ID to 0. ● Doing so may require the user to manually force a host rescan to discover that device. For instructions on forcing a host rescan, see the operating system vendor documentation. Using LUNs 254 and 255 with PowerStore ● PowerStore - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 10
Fibre Channel SAN Guidelines This section describes the best practices for attaching hosts to a PowerStore cluster in a highly available resilient and optimal Fibre Channel SAN. Recommended Configuration Values Summary The following table summarizes the recommended configuration values that are - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 11
regarding HBAs, operating systems, switches, and Direct-Attach. Zoning using SCSI WWN Prerequisites Starting with PowerStore operating system version 2.0, NVMe/FC is supported. PowerStore exposes two WWNs, one for the FC (SCSI WWN) and one for NVMe (NVMe WWN). About this task Zoning should be - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 12
best practices, see Fibre Channel SAN Topologies. Additional Considerations Review the following considerations when configuring hosts with PowerStore storage using NVMe/FC: ● NVMe/FC is supported with PowerStore operating system 2.0 and later. 12 Best Practices for Storage Connectivity - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 13
/FC to work, it is required to disable and then reenable the port at the switch. ● See the Dell EMC 32G FC-NVMe Simple Support Matrix for supported NVMe/FC configurations and other up-to-date limitations. ● See NVMe-oF General Guidelines for guidelines specific to NVMe-oF. Zoning using NVMe WWN - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 14
with PowerStore over iSCSI SAN: ● With PowerStore OS 2.0 (or later), up to 32 subnets are supported. ● With PowerStore OS 1.x, only a single subnet is supported. Performance Severity Mandatory Mandatory Warning Warning Warning Warning Warning Recommended Recommended Normal Refer to Section SAN - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 15
Ethernet switch user manual for instructions on the Guide and the Network Configuration Guide for Dell PowerSwitch Series. Additional Considerations Review the following considerations when configuring hosts with PowerStore storage using iSCSI: ● Maximum number of network subnets supported - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 16
Validation Impact Maximum number of paths per volume per Performance host: 8 Recommended number of paths per volume per host: 4 Performance Link speed should be consistent across all Performance paths to the PowerStore cluster. Duplex setting should be consistent Performance across all paths - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 17
increasing the MTU...). ● See your Ethernet switch user manual for instructions on the implementations. ● For detailed information about connecting Guide. NVMe-oF General Guidelines PowerStore operating system 2.0 introduces support of NVMe/FC and PowerStore operating system 2.1 introduces support - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 18
000193380 (PowerStoreOS 2.0: ESXi hosts do not detect...). ○ See the E-Lab NVMe/TCP Host/Storage Interoperability Simple Support Matrix for supported NVMe/TCP configurations with Direct Attach. ● The following diagram describes minimum connectivity with a single PowerStore appliance: 1. PowerStore - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 19
1. PowerStore appliance 2. Node 3. Fibre Channel Switch 4. Host SAN - Recommended Configuration Consider the following recommendations when setting up a SAN infrastructure. Single Appliance Cluster NOTE: Be sure to configure proper zoning for FC and NVMe/FC or proper subnetting with iSCSI and NVMe/ - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 20
1. PowerStore appliance 2. Node 3. ToR/iSCSI Switch 4. Host Two Appliance Cluster NOTE: Be sure to configure proper zoning for FC and NVMe/FC or proper subnetting with iSCSI and NVMe/TCP. ● It is recommended that a host is connected with two paths to each node for redundancy. ● The following diagram - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 21
1. PowerStore appliance 2. Node 3. ToR/iSCSI Switch 4. Host Four Appliance Cluster NOTE: Be sure to configure proper zoning for FC and NVMe/FC or proper subnetting with iSCSI and NVMe/TCP. ● It is recommended that a host is connected with two paths to each node on each appliance for redundancy. ● - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 22
1. PowerStore appliance 2. Node 3. ToR/iSCSI Switch 4. Host 22 Best Practices for Storage Connectivity - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 23
externally to PowerStore. For configuring an internal ESXi host on PowerStoreX, see the Dell EMC PowerStore Virtualization infrastrucure Guide document at https:// dell.com/support. NOTE: This document includes links to external documents. These links may change. If you cannot open a link, contact - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 24
6.5). Stability & Performance Specify ESXi as the operating system Serviceability for each defined host. Path selection policy for SCSI: VMW_PSP_RR white papers: ● Dell EMC PowerStore Virtualization Infrastructure Guide at https://dell.com/support ● Dell PowerStore: VMware vSphere Best Practices - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 25
-cli ● Locate your FC HBA information: systool -c fc_host -v Known Issues For a host directly attached to the PowerStore appliance, disable NVMe/FC support on the HBA. For details on potential issues when directly connecting a host to PowerStore, see Dell EMC Knowledge Article 000200588 (PowerStore - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 26
is required. ● See the E-Lab Dell EMC 32G FC-NVMe Simple Support Matrix for supported Fibre Channel HBA models and drivers with NVMe/FC and known limits. ● Verify that all HBAs have supported driver and firmware versions. ● Verify that all HBAs BIOS settings are - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 27
of the appropriate NIC/iSCSI HBA for your host. ● It is recommended to install the latest driver version (patch), as described in the VMware support site for each specific NIC/iSCSI HBA. ● Review the VMware vSphere Storage document for the vSphere version running on the ESXi hosts, a requirement - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 28
this task Configure the iSCSI networking on ESXi hosts connected to PowerStore with a PowerStore operating system 1.x in which only a single subnet is supported. Steps 1. Dell Technologies recommends creating four target iSCSI IP addresses (two per node) on the same subnet/VLAN. 2. Create a single - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 29
● iSCSI-A-port0 1.1.1.1/24 ● iSCSI-A-port1 1.1.2.1/24 ● iSCSI-B-port0 1.1.1.2/24 ● iSCSI-B-port1 1.1.2.2/24 ● vmk1 1.1.1.10/24 ● vmk2 1.1.2.10/24 4. Ensure that both VMkernel interfaces are attached to the same vSwitch. 5. Override the default Network Policy for iSCSI. For details, see the VMware - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 30
In the example, 10 Gb interfaces are used (these interfaces must not be used by any other vSwitch or vDS). $ esxcli network nic list Name PCI Device Driver Admin Status Link Status Speed Duplex MAC Address MTU Description ---- ---------- vmnic0 0000:07:00.0 igbn Up Up 1000 Full - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 31
Properties window, click Close. f. Rescan the iSCSI Software Adapter. ● PowerStore operating system 2.x ○ If you are using a single subnet, follow the instructions for PowerStore operating system 1.x (above). ○ If you are using multi subnets, do not configure port binding as described in the VMware - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 32
Delayed ACK For optimal traffic, it is recommended to disable Delayed ACK on ESXi. For optimal iSCSI traffic between the ESXi hosts and PowerStore, especially during periods of network congestion, it is recommended to disable Delayed ACK on ESXi. By disabling Delayed ACK, the ESXi host would send an - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 33
of the appropriate NIC/iSCSI HBA for your host. ● It is recommended to install the latest driver version (patch), as described in the VMware support site for each specific NIC/iSCSI HBA. ● TCP ports 4420 and 8009 are open between each host interface and PowerStore subsystem port. These ports should - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 34
for NVMe/TCP on ESXi hosts connected to PowerStore with a PowerStore operating system 2.1 (or later), where up to 32 network subnets are supported. Steps 1. Dell Technologies recommends creating four target NVMe/TCP IP addresses (two per node) on two different subnets/ VLSNs. 2. Create a single - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 35
Example - Configuring NVMe/TCP Networking The following example demonstrates configuring networking for a PowerStore PowerStore operating system 2.1 with a single virtual standard switch and CLI. NOTE: Some of the output texts may be wrapped. 1. List current vSwitches and verify that the vSwitch - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 36
9. Run the following command to verify access to the array storage ports. Repeat for both vmk1 and vmk2, and for all storage IPs visible from each VMkernel port. $ vmkping -4 -c1 -Ivmk1 1.1.1.1 PING 1.1.1.1 (1.1.1.1): 56 data bytes 64 bytes from 1.1.1.1: icmp_seq=0 ttl=64 time=0.319 ms --- 1.1.1.1 - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 37
b. Select Controllers > Add Controller c. On the Add Controller window, enter any of the PowerStore NVMe/TCP enabled ports IP addresses, and select port 8009 (discovery controller). d. From the list, select the subsystem ports that you want to connect to, and click OK. These NVMe subsystem ports - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 38
see Dell EMC Knowledge Article 000196492 (PowerStore: IO on ESXi VMs...). vStorage API for System Integration (VAAI) Settings PowerStore Storage cluster fully supports VAAI. VAAI must be enabled on the ESXi host before using PowerStore. VAAI is an API that offloads operations such as virtual machine - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 39
# esxcli system settings advanced set --int-value 1 --option /VMFS3/ HardwareAcceleratedLocking NOTE: These settings enable ATS-only on supported VMFS Datastores, as noted in VMware Knowledge Article 1021976 (Frequently Asked Questions...). Setting the Maximum I/O Follow these guidelines to - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 40
vmfs/volumes/6297861b-b77a1e70-93d5-588a5ae062f1 /vmfs/volumes/62978cd2-58d2b498-9317-588a5ae062f1 b. Verify that the file system is configured as low (Reclaim Priority): ------------VMFS1 VMFS2 [~] esxcli storage vmfs reclaim config get --volume-label VMFS1 Reclaim Granularity: 1048576 Bytes - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 41
, see VMware vSphere documentation. Multipathing Software Configuration Configuring Native Multipathing (NMP) with SCSI PowerStore with iSCSI or FC supports the Native Multipathing Plugin (NMP). This section describes the procedure that is required for configuring native multipathing for PowerStore - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 42
Configuring NMP Round Robin on a PowerStore Volume Already Presented to the ESXi Host Follow this method to configure NMP Round Robin on a PowerStore volume that is already presented to the ESXi host, using ESXi command line: About this task NOTE: Use this method only for PowerStore volumes that are - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 43
,useANO=0; lastPathIndex=0: NumIOsPending=0,numBytesPending=0} Configuring High Performance Multipathing (HPP) with NVMe PowerStore with NVMe/TCP or NVMe/FC supports the High Performance Multipathing Plugin (HPP). This section describes the method that is required for configuring high-performance - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 44
2. Run the following command to configure the default pathing policy for newly defined PowerStore volumes to Round Robin with path switching after each I/O packet: $ esxcli storage core claimrule add -u -t vendor --nvme-controller-model "dellemcpowerstore" -P HPP -g "pss=LB-IOPS,iops=1" 3. Reboot - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 45
with PowerStore, see the PowerStore Simple Support Matrix. For details on installing and configuring PowerPath/VE with PowerStore on your host, see Dell EMC PowerPath on VMware vShpere Installation and Administration Guide for the PowerPath/VE version you are installing. PowerStore Considerations - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 46
group, add that VM to the predefined VM group in vCenter server. For more details, see PowerStore Virtualization Infrastructure Guide. vSphere Considerations VMware Paravirtual SCSI Controllers Configure virtual machines with paravirtual SCSI controllers to achieve higher throughput and lower CPU - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 47
● VM hardware version 11 ● EnableBlockDelete set to 1 ● Guest operating system support of UNMAP NOTE: See the corresponding guest operating system chapter within this document for instructions on how to efficiently create a file system. NOTE: For details on SCSI-3 Persistent Reservations (SCSI3-PRs) - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 48
steps that are detailed on the E-Lab Host Connectivity Guide for Microsoft Windows (see the E-Lab Interoperability Navigator at UNMAP during file systems creation: Impact Stability & Performance Serviceability Performance Performance Severity Recommended Mandatory Warning Recommended Refer to - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 49
https://elabnavigator.dell.com) for supported FC HBA models and drivers. ● Verify all HBAs are at the supported driver, firmware and BIOS versions. Virtual Interface Card Drivers for Windows Installation Guide for complete driver installation instructions . iSCSI Configuration This section describes - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 50
configuring the iSCSI adapter on Windows hosts connected to PowerStore with a PowerStore operating system version 1 in which only a single subnet is supported. For further details, see the Microsoft Windows documentation for the Windows version that is installed on the Windows hosts. Steps 1. Dell - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 51
on Windows hosts connected to PowerStore with a PowerStore operating system version 2 (or later) in which up to 32 network subnets are supported. For further details, see the Microsoft Windows documentation for the Windows version that is installed on the Windows hosts. Steps 1. Dell recommends - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 52
with PowerStore, see the PowerStore SImple Support Matrix. For details on installing and configuring PowerPath with PowerStore on your host, see Dell EMC PowerPath on Microsoft Windows Installation and Administration Guide for the PowerPath version you are installing. 52 Host Configuration for - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 53
setting while the host is online and connected to the PowerStore cluster with no I/O impact. NOTE: Refer to the PowerStore Configuring Volumes Guide for additional information. Creating a File System This topic discusses creating a file system. File system configuration and management are out of the - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 54
steps that are detailed on the E-Lab Host Connectivity Guide for Linux (see the E-Lab Interoperability Navigator at https ● HBA timeout Recommended Specify Linux as the operating system for Serviceability each defined host. Mandatory SCSI Device Mapper Multipathing: Performance Recommended - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 55
Validation ● failback - "immediate" ● no_path_retry - "3" ● rr_min_io_rq - "1" ● fast_io_fail_tmo - "15" ● max_sectors_kb - "1024" NVMe Device Mapper Multipathing: Modify /etc/multipath.conf file as follows: ● vendor - ".*" ● product - "dellemc-powerstore" ● prio = ana ● uid_attribute = ID_WWN ● - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 56
your Fibre Channel HBA information: systool -c fc_host -v Known Issues For a host directly attached to the PowerStore appliance, disable NVMe/FC support on the HBA. For details on potential issues when directly connecting a host to PowerStore, see Dell EMC Knowledge Article 000200588 (PowerStore - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 57
For details on NVMe/FC configuration for Red Hat Enterprise Linux hosts, see Red Hat Knowledge Article 4706181 (Is NVMe over Fibre (NVMeoF) supported...). For details on NNVMe/FC configuration for SUSE, see for example NVMe over Fabric. Setting the Linux Host NVMe Qualified Name About this task - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 58
is no need to configure any port channel. ○ For information, see the Dell EMC PowerStore Networking Guide for PowerStore T Models on the support site (https:// www.dell.com/support) PowerStore Operating System 1.x Only - Single Subnet About this task Use this procedure for configuring the iSCSI - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 59
address is defined and the said limitation does not apply. For technical information about configuring network bond on Red Hat Enterprise Linux version 7, see Networking Guide: Configure Network Bonding. Host Configuration for Linux 59 - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 60
Networking Guide: Configure Network Teaming. For a comparison between Bonding and Network Teaming implementations, see Networking Guide: Comparison version 2.0 (or later), in which up to 32 network subnets are supported. For further details, see the Linux documentation for the Linux version that is - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 61
PowerStore operating system 2.x when host interfaces on the switch are configured as Trunk, and VLAN is required. NOTE: Consult your IT support for instructions that suit your environment. The sample below uses Red Hat Enterprise Linux host. This may vary depending on your host configuration. Steps - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 62
.id 11 ** Set IP address and subnet $ nmcli connection modify vlan11 ipv4.addresses 1.1.1.10/24 ** Set to manual (not DHCP) $ nmcli connection modify vlan11 ipv4.method manual ** Disable Default Gateway $ nmcli connection modify vlan11 ipv4.never-default yes ** Reconnect on boot $ nmcli connection - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 63
The example below demonstrates a single target port. Repeat for all target ports. # nc -z -v 1.1.1.1 3260 Connection to 1.1.1.1 3260 port [tcp/*] succeeded! iSCSI Session Configuration To fully use iSCSI with PowerStore, it is recommended to use iSCSI interfaces (IFACE) mainly when using a single - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 64
configuring PowerStore disk device with iSCSI, see the specific instructions of your operating system. Parameter Description Value node.session. rebooted Default value for RedHat: automatic, Default value for SUSE: manual automatic Using these settings prevents commands from being split by the - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 65
that Device Mapper is enabled: $ systemctl enable --now multipathd.service Configuration with Device Mapper Multipathing for SCSI For a PowerStore section. For information, See the Importing External Storage to PowerStore Guide. NOTE: To resolve a known issue described in RedHat Knowledge Article - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 66
yes, multipath tries to detect whether the device yes supports ALUA. If so, the device automatically uses the seconds the scsi layer will wait after a 15 problem has been detected on an FC remote port before max_sectors_kb value from the path devices. Manually raising this value for the multipath - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 67
with PowerStore, see the PowerStore Simple Support Matrix. For details on installing and configuring PowerPath with PowerStore on your host, see Dell EMC PowerPath on Linux Installation and Administration Guide for the PowerPath version you are installing. NOTE: Ensure that the multipath.conf - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 68
accessed from the host using PowerStore Manager, CLI, or REST API. See the PowerStore Manager Online Help, CLI Reference Guide, or REST API Reference Guide for additional information. Presenting PowerStore Cluster Volumes to the Linux Host Specify Linux as the operating system when presenting - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 69
(How can I mount iSCSI devices...). If you still experience issues, see RedHat Knowledge Article 22993 (Why aren't remote filesystems...) for additional troubleshooting steps. ● On SUSE Linux 11 and later, the nofail option should be used to indicate that the file system must mount automatically - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 70
Replace disk_name with the iSCSI disk name and /mount/point with the mount point of the partition. For information, see SUSE Knowledge Article 000017130 (/etc/fstab entry does not mount...). 70 Host Configuration for Linux - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 71
6 Host Configuration for AIX This chapter contains the following topics: Topics: • Related E-Lab Host Connectivity Guide • Recommended Configuration Values Summary • 2 TB LUN Size Support • Boot from SAN • Fibre Channel Configuration • Dell EMC AIX ODM Installation Related E-Lab Host Connectivity - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 72
enable dynamic tracking of FC devices, Stability and set: Performance dyntrk= yes PowerStore operating systems earlier than Stability 2.1.0 do not support volumes larger than 2 TB with AIX. Severity Warning Warning Mandatory Refer to Section Fast I/O Failure for Fibre Channel Devices Dynamic - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 73
I/O Failure for Fibre Channel Devices This topic describes the Fast I/O Failure feature for FC devices and details the setting recommendations. AIX supports Fast I/O Failure for Fibre Channel devices after link events in a switched environment. When the FC adapter driver detects a link event, such - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 74
software is used. Setting the fc_err_recov attribute to fast_fail can decrease I/O failure due to link loss between the storage device and switch, by supporting faster failover to alternate paths. Dynamic Tracking This topic describes the dynamic tracking logic for FC devices and details the setting - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 75
.Z 3. Run the following command to create a table of contents file: inutoc . 4. Run the following command to install the following filesets to support native MPIO: installp -ad . EMC.PowerStore.aix.rte EMC.PowerStore.fcp.MPIO.rte Installation Summary Name Level Part Event Result EMC - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 76
SAN • Fibre Channel Configuration • Solaris Host Parameter Settings • Post configuration steps - using the PowerStore system Related E-Lab Host Connectivity Guide The topics in this chapter detail specific caveats and configuration parameters that must be present when configuring a Solaris host to - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 77
Validation Config File Impact set zfs:zfs_log_unmap_ignore_si ze=256 Enable Solaris MPxIO multipathing: mpxio-disable="no"; fp.conf Stability Fibre Channel path failover tuning: fp_offline_ticker = 20; fp.conf Fibre Channel path failover tuning: fcp_offline_delay = 20; fp.conf Maximum I/O - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 78
is connected to a cluster other than PowerStore, the configuration file may include additional devices. NOTE: Currently, PowerStore clusters are only supported with native Solaris multipathing (MPxIO). Enable Solaris native multipathing on Solaris 10 and 11.0-11.4 hosts (SPARC and x86) To enable - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 79
with PowerStore, see the PowerStore SImple Support Matrix. For details on installing and configuring PowerPath with PowerStore on your host, see Dell EMC PowerPath on Solaris Installation and Administration Guide for the PowerPath version you are installing. Host Configuration for Solaris 79 - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 80
. Run the following commands to verify these fp.conf parameter settings: root@support-sparc1:~# echo "mpxio-disable/U"|mdb -k mpxio-disable: mpxio-disable: no root@support-sparc1:~# echo "fp_offline_ticker/U"|mdb -k fp_offline_ticker: fp_offline_ticker: 20 80 Host Configuration for Solaris - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 81
Creating PowerStore System Configuration File About this task The /etc/system.d directory holds files that are used to control Solaris kernel tuning settings. Steps 1. Run the following command to change directory to the /etc/system.d directory: # cd /etc/system.d 2. Run the following command to - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 82
delays expire, should prevent any errors. Value 20 Run the following commands to verify this fcp.conf parameter setting: root@support-sparc1:~# echo "fcp_offline_delay/U"|mdb -k fcp_offline_delay: fcp_offline_delay: 20 Updating ssd.conf configuration file (Solaris 10 and 11.0-11.3 SPARC) About - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 83
create, present, and manage volumes accessed from the host via PowerStore Manager, CLI, or REST API. Refer to the PowerStore Manager Online Help, CLI Reference Guide, or REST API Reference Guide for additional information. Host Configuration for Solaris 83 - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 84
while the host is online and connected to the PowerStore cluster with no I/O impact. NOTE: Refer to the PowerStore Configuring Volumes Guide for additional information. Partition alignment in Solaris Use Solaris format command to create partitions aligned to 4K on a PowerStore cluster LUNs for - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 85
the configuration steps that are detailed on the E-Lab Host Connectivity Guide for HP-UX (see the E-Lab Interoperability Navigator at https:// 1MB (256 increments of 4KB). Impact Stability & Performance Serviceability Performance Severity Recommended Mandatory Mandatory See Section For further - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 86
configuration ● Refer to the E-Lab Interoperability Navigator (https://elabnavigator.dell.com) for supported FC HBA models and drivers. ● Verify all HBAs are at the supported driver, firmware and BIOS versions. ● For instructions about installing the FC HBA and upgrading the drivers or the firmware - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 87
is not available with PowerStore. To configure HP-UX lliv3 with PowerStore make sure that the following requirements are met: ● PowerStore supports only native MPIO on HP-UX lliv3. For further details refer to the section. ● Maximum request transfer length - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 88
the PowerStore Manager Online Help, CLI Reference Guide, or REST API Reference Guide for additional information. Presenting PowerStore Volumes to native volume manager, this recommendation is not applicable as UNMAP is not supported in this case. To disable UNMAP during file system creation (only - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 89
3. Once file system creation is complete, reenable UNMAP for the targeted device on the host, by running the following command: # vxdisk reclaim "disk name" NOTE: To verify the current setting of a specific device using its corresponding disk group, run the following vxprint command: #vxprint -z - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 90
boot from SAN configuration guidelines. NOTE: The current PowerStore OS release does not support mapping individual LUNs to host under a host group. Follow these guidelines when configuring boot from SAN: ● Manually register your HBAs with PowerStore and create a host. ● Create the boot volume - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 91
| ip_pool_addresses.address 1 | IP_PORT1 | ISCSI | 172.16.5.204 | | External_Replication | | | NVMe_TCP | 2 | IP_PORT12 | ISCSI | 172.16.5.205 | | External_Replication | | | NVMe_TCP | 3 | IP_PORT16 | ISCSI | 172.28.2.204 | | NVMe_TCP | 172.28.1.204 Troubleshooting 91 - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 92
| BaseEnclosure-NodeB-IoModule1-FEPort1 | 006016a0f855 | 10_Gbps | 1500 9 | A1 | BaseEnclosure-NodeA-4PortCard-FEPort1 | 00e0ec8ac269 | 10_Gbps | 1500 10 | A1 | BaseEnclosure- NodeB-4PortCard-FEPort0 | 00e0ec8d8893 | 10_Gbps | 1500 92 Troubleshooting - Dell PowerStore 5200T | EMC PowerStore Host Configuration Guide - Page 93
.com.emc.lab.xiolab:nvme:dell~ |NVMe |iqn.2015-10.com.dell:dellemc-powerstore-fnm00191800733-~|A1 | | |iqn.2015-10.com.dell:dellemc-powerstore-fnm00191800733-~|A1 Troubleshooting 93
Dell EMC PowerStore
Host Configuration Guide
July 2022
Rev. A10