Dell DX6004S DX Cluster Services Node Installation and Configuration Guide
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- Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 1
Cluster Services Node (CSN) Installation and Configuration Guide Version 2.0 - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 2
Cluster Services Node (CSN) Installation and Configuration Guide: Version 2.0 Copyright © 2010 Caringo, Inc. All Rights Reserved. No part of this document may be reproduced, transmitted, or transcribed without the written consent of Caringo, Inc. - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 3
Introduction to the DX Object Storage Cluster Services Node 1 1.1. DX Object Storage Cluster Services Node Overview 1 1.2. Components ...1 1.3. Restore 16 3.5.1. Backup Manifest 17 3.5.2. Automatic Backups 18 3.5.3. Manual Backups 18 3.5.4. Restoring a Backup 18 3.5.5. Failover ...18 3.6. - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 4
with it. 1.2. Components The DX Storage CSN infrastructure is made up of the following components: 1. A collection of required network services configured to support a DX Storage cluster, including DHCP, PXE network boot, TFTP, syslog, NTP and several others 2. An integrated PXE network boot - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 5
1.3. About this Document 1.3.1. Audience This document is intended for people in the following roles. 1. Storage system administrators 2. Network administrators 3. Technical architects Throughout this document, the storage system administrator and network administrator roles will be referred to as - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 6
RHEL versions or Linux distributions are not currently supported. Subsequent installation instructions will assume a pre-installed RHEL Linux x.y.z.49-254 x.y.3.0x.y.255.254 The CSN range provides IPs for the various services on the Primary and Secondary CSNs. The 3rd Party range is provided for - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 7
the primary to sync needed information to the secondary, specifically the Primary's Backup Manifest UUID. The secondary CSN provides redundancy for all services on the primary CSN in the event of a disaster and also provides scalability for incoming SCSP requests to the SCSP Proxy. 2.3. Installation - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 8
of 192.168.0.0 or 172.20.0.0 to use a larger network that will support much larger DX Storage clusters. The entered interface will be divided between the alias IP addresses on the internal network for use by various system services and reserves similar IP addresses for a Secondary CSN. Enter a list - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 9
The console allows web-based configuration of all CSN services after the initial network configuration. Please reference subsequent chapters . The username for the console is 'admin' and the default password is 'dell'. Once authenticated, click on the Licensing link under the Content Storage tab to - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 10
After installation, a license shell is defaulted into the licensing interface. If published as is, this license will provide 0 TB of capacity for storing content. To correctly publish a license the following high-level steps are required: 1. Enter License Contact and Storage Information 2. Enter - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 11
When all the desired information has been entered, click the 'Update' button to save the changes. 2.3.3.2. Entering License Keys The license interface supports entry of two different types of license keys: hardware keys and capacity keys. Hardware keys are used to determine the validity of the host - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 12
to return to the main licensing page. Valid keys will be reflected on the main licensing page after successful entry. 2.3.3.3. Publishing a License Entering hardware and capacity keys in the licensing interface will save the keys to the CSN's local storage. To create a single license file that can - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 13
does not work for some reason, please contact your support representative for alternate instructions. If upgrading a previously installed CSN to a new were manually added to the custom sn.cfg files as multi-server is now automatically configured on the CSN. Please contact your support - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 14
to a previous version. Please reference the csn-reset section for instructions on how to install different versions of the CSN using the remain available for troubleshooting. The csn-reset script is not meant as a general purpose uninstall script as it does not return service and network - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 15
services and software installed on the shared server. It allows both basic configuration changes as well as more complex functions like creating manual same CSN Console page from two or more browser sessions are not supported. Administrators should take care to ensure they are looking at a current - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 16
resulting actions that will need to be taken by each of the services and installed software modules. Because the network configuration is central to so many services, it is not unusual for the action list to contain service restarts and possibly a server reboot. The console will ask you to confirm - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 17
network interface range. Alternatively, administrators may run the script and then manually power cycle the nodes; the DX Storage admin console will no passwords may be updated from the SNMP Access link under the Cluster Services tab of the CSN Console: 3.3. Updating the DX Storage software version - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 18
nodes reboot. Please reference the DX Object Storage Getting Started Guide for complete details on suspending volume recovery. 3.4. Editing User updated from the User Access link under the Cluster Services tab. The default password is 'dell'. Characters are obscured when entered on the page so - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 19
allows restore of those backups at a later date. The backup list and functions can be accessed from the Backup and Restore link under the Cluster Services tab of the CSN Console: Copyright © 2010 Caringo, Inc. All rights reserved 16 Version 2.0 December 2010 - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 20
3.5.1. Backup Manifest A manifest anchor stream is created in the storage cluster with the first backup set and updated with every subsequent backup. The UUID for the manifest is displayed at the top of the backup interface. It will not display until after the 2nd backup has been created. Note - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 21
for Error messages as a result. Aside from the manual initiation and description, manual backups are identical to automatic backups. Manual backups are supported once every 30 seconds. 3.5.4. Restoring a Backup To restore the service configuration files and enabled/disabled status as they existed - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 22
a Primary CSN is not supported. Failover should only be done when the Primary is not expected to return to service soon enough for the environment to restore it onto the Secondary. In this scenario, an administrator can manually restore the Primary CSN's last recorded backup set, which is updated - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 23
remote clusters to perform operations like global infos for one or more objects. Please reference the SCSP Proxy Overview for a full overview of the supported remote methods. To add a remote cluster to the configured list, click the 'Add Cluster' button. To edit an existing remote cluster, click the - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 24
.cfg and /etc/caringo/scspproxy/hosts.cfg. These files are automatically generated and should never be manually edited unless under direction of your support personnel. The scspproxy service will be started automatically after the initial configuration of the CSN. If needed, it can be started - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 25
CSN Console DX Storage Administrator SNMP Read-Only SNMP Read-Write Content Router Console Default Username admin admin n/a n/a n/a Default Password dell dell public private dell Impact Access to the CSN Console. Ability to modify settings and take actions like Reboot on the DX Storage admin - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 26
DX Storage The CSN currently provides network and configuration services for a single DX Storage cluster with nodes on the responded (default 1 hour) are all configurable. Please contact your support representative for instructions on modifying these parameters. A list of all IP address assignments - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 27
of the DX Object Storage Advanced Administration Guide for complete details of all DX and should never be manually edited unless under direction of DX Storage support. 4.3. DX Storage User user with the username of 'admin' and a password of 'dell' is created on the system. Users can be deleted from - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 28
from the external network by entering the following address: http://CSNExternalIP:8090/services/storage/. The DX Storage admin console may also be accessed by clicking the the DX Object Storage Administration Guide. Copyright © 2010 Caringo, Inc. All rights reserved 25 Version 2.0 December 2010 - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 29
4.5. Gathering SNMP Statistics The CSN includes an aggregate SNMP MIB called CARINGO-CASTOR-MGR-MIB with operational and health status for all nodes in the associated DX Storage cluster, including: • Cluster stats like total available capacity • Cluster-wide settings like a cluster shutdown • - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 30
optionally be configured on the CSN: Publisher and Replicator. Please reference the DX Content Router Setup and Configuration Guide for complete details of each service and how to configure it. Some basic network configuration information is defaulted into the configuration for both Publisher and - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 31
All. Default value is 'dell'. The name and location of Router Setup and Configuration Guide for full details on manually edited unless under direction of your support personnel. 5.1.2. Replicator Replicator retrieves one or more lists of UUIDs from remote cluster via the Publisher service - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 32
Interval Offline After Error Offline After Timeout After Copyright © 2010 Caringo, Inc. All rights reserved Description Whether or not the Replicator service is enabled or disabled. The Replicator is disabled by default. The ipaddress on which the Replicator will communicate with the local cluster - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 33
automatically generated and should never be manually edited unless under direction of your support personnel. 5.2. Managing DX Content Router issuing a Republish or Republish All is 'dell'. Please reference the DX Content Router Setup and Configuration Guide for a complete overview of the data - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 34
/mibs for full details of the included values and to the 'SNMP Command Examples' section in the 'Running and Managing DX Storage chapter of this guide for example SNMP commands using the DX Storage MIB. Copyright © 2010 Caringo, Inc. All rights reserved 31 Version 2.0 December 2010 - Dell DX6004S | DX Cluster Services Node Installation and Configuration Guide - Page 35
Appendix A. Open Source Software Regarding certain third party open source components also shipped with the product, please see the detailed information that appears on the product/stick distribution in the "/doc" directory, in the document "DX Object Storage OSS License Notices for 3rd Party
Cluster Services Node (CSN)
Installation and Configuration Guide
Version 2.0