Upgrading to HP Serviceguard 11.17 with Cluster Volume Manager/Cluster File Systems, December 2005

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Upgrading to HP Serviceguard 11.17 with Cluster Volume

Manager/Cluster File Systems

Abstract.............................................................................................................................................. 2

Overview............................................................................................................................................ 2

Packaging and installation considerations............................................................................................... 2

Networking considerations ................................................................................................................... 4

HP Serviceguard/VERITAS interoperability considerations ........................................................................ 5

New HP Serviceguard commands.......................................................................................................... 6

VERITAS storage considerations............................................................................................................. 7

HP Serviceguard configuration considerations......................................................................................... 8

Data migration to CVM/CFS................................................................................................................. 9

Other considerations.......................................................................................................................... 10

Upgrade roadmap............................................................................................................................. 10

Appendix A ...................................................................................................................................... 12

For more information.......................................................................................................................... 16

Summary of content (16 pages)

PAGE 1
Upgrading to HP Serviceguard 11.17 with Cluster Volume Manager/Cluster File Systems Abstract.............................................................................................................................................. 2 Overview............................................................................................................................................ 2 Packaging and installation considerations..................................................................................
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Abstract HP Serviceguard A.11.17 tightly integrates with technology from Symantec to enable Cluster File Systems (CFS). Seven Serviceguard Storage Management bundles, which include Serviceguard and VERITAS software corresponding to different degrees of capability, are available. Network requirements for some of these configurations are somewhat different than with previous versions of Serviceguard.
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All bundles that include CVM also provide CFS support. While CVM support is also available by installing a stand-alone version of CVM, CFS support is only available by installing one of the Serviceguard CFS bundles. Additional software in some of the bundles includes enterprise tools, such as Quality of Storage Service (QoSS), FlashSnap, and Checkpoints, and additional database tools, including Quick I/O and Online Data Manager (ODM) for Oracle® and HP Serviceguard Extension for RAC (SGeRAC).
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Bundle All features from VxVM CVM VxFS VxCFS Management utilities: - Quicklog - Flashsnap DB accelerators: - Quick I/O - ODM HP Serviceguard Cluster File System for RAC Storage Foundation Cluster File System/ RAC Yes Yes Yes Yes Yes Yes None of the bundles can be installed at the same time with or on top of stand-alone CVM (either version 3.5 or 4.1). If CVM 3.5 (product number B9117AA) is already installed, it must be removed before installing any of the bundles.
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HP Serviceguard/VERITAS interoperability considerations With Serviceguard A.11.17, as with previous versions of Serviceguard, Logical Volume Manager (LVM) and VERITAS Volume Manager (VxVM) volumes can coexist on the cluster and can continue to be used in the same packages, if desired. Because cluster lock disks can only be configured on LVM Volume Groups (VGs), this functionality provides an alternative to using a Quorum Server for cluster lock functionality. Before version A.11.
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New HP Serviceguard commands Several new Serviceguard commands are available when one of the CFS bundles is installed to help manage the storage infrastructure. Following is an overview of their syntax and functionality. All of these commands are described in detail in their man pages and in Managing Serviceguard Twelfth Edition. The functionality offered by these commands is also accessible through the VERITAS Enterprise Administrator (VEA) tool.
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cfsmntadm add [] =[] ... cfsmntadm add [] all=[] [[] ...] cfsmntadm delete cfsmntadm delete cfsmntadm modify =[] ... cfsmntadm modify += ... cfsmntadm modify -= ...
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VERITAS Storage Foundation 4.1 no longer requires rootdg to be configured. The existing rootdg disk group will continue to work and does not need updating other than as mentioned earlier, but it is no longer required and may be deleted, if desired. VERITAS 4.1 also introduces a new Cross-platform Data Sharing (CDS) disk layout as the default disk layout for any new disks.
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Appendix A presents a set of illustrations of various upgrade scenarios that describe different possibilities of configuring Serviceguard to manage storage. Data migration to CVM/CFS Many sites will want to upgrade the way the application data is stored to take advantage of the CFS capabilities available with some of the bundles. Existing LVM volumes can continue to be used in the current form as long as desired, before upgrading to take advantage of the new features.
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Other considerations Configuring SGeRAC with Oracle RAC 9i and 10g is described in detail in the Using Serviceguard Extension for RAC Third Edition manual. Most of the upgrade considerations applicable to SGeRAC have already been described previously. One desirable application property that becomes feasible with CFS is the capability of cluster-wide installation, configuration, or both.
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13. Perform any desired data migration steps. 14. Configure any CFS file systems needed. 15. Add new packages to represent any new file systems and disk groups created in step 12. 16. Re-enable automatic startup of Serviceguard by changing the line AUTOSTART_CMCLD=0 in /etc/rc.config.d/cmcluster to AUTOSTART_CMCLD=1. 17. Restart the Serviceguard cluster or reboot.
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Appendix A The following slides illustrate various upgrade scenarios and the relevant storage management options. This is a typical pre-upgrade scenario. CVM support is provided by the VxVM-CVM-pkg SMNP, the application package is configured with STORAGE_GROUP attributes, and the package control script declares CVM_DG[*] and CVM_DISK_ACTIVATION variables to specify storage. Current S G 11.16 AR /MCOE + OE M CVM 3.
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This is similar to the previous scenario, but CVM 4.1 is installed. The new SG-CFS-pkg SMNP is used; otherwise, configuration and management are unchanged. S G 11.16 - > S G 11.17 AR /MCOE + OE M CVM 4.
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If a CFS bundle is installed and CFS is not used, the application package can be managed in a similar way to Serviceguard A.11.16. The new SMNP must be configured. This can be done with the cfscluster command, which is part of the bundle. S G 11.16 - > S G 11.17 CF S S G/V bundles (1)
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This slide illustrates an application package that uses a file system. S G 11.16 - > S G 11.
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For more information For more information, refer to the following references used in this document: • Managing Serviceguard Twelfth Edition • Using Serviceguard Extension for RAC Third Edition • VERITAS Storage Foundation Installation Guide • VERITAS Volume Manager Administration Guide • VERITAS File System Administrator’s Guide • VERITAS Storage Foundation for Oracle Administrators Guide • DATA PUMP IN ORACLE® DATABASE 10g: FOUNDATION FOR ULTRA HIGH-SPEED DATA MOVEMENT UTILITIES • Tru64 Transition site at