Serviceguard Extension for RAC Version A.11.20 Release Notes - (August 2011)

The correct version of SGeRAC will automatically be installed when you install one of the HP
Serviceguard Storage Management Suite bundles. If SG SMS is already installed, do not install
SGeRAC independently.
For more information, see the HP-UX 11i v3 version of the HP Serviceguard Storage Management
Suite Release Notes at www.hp.com/go/hpux-serviceguard-docs —> HP Serviceguard
Storage Management Suite.
After installation, you can use commands such as the following to display a list of all installed
components:
swlist -R T1905CA
swlist -R T1907BA
NOTE: If you are adding Serviceguard Extension for RAC to an existing Serviceguard cluster,
there are additional steps. See “Adding Serviceguard Extension for RAC to an Existing Cluster”
(page 19).
For more information, see:
• Managing HP-UX Software with SD-UX
• swinstall (1M) manpage
Adding Serviceguard Extension for RAC to an Existing Cluster
If you have already installed Serviceguard and are running a Serviceguard cluster, use the following
steps to add SGeRAC:
NOTE: An SGeRAC cluster must have the same version of Serviceguard and SGeRAC software
installed on all the nodes.
1. Halt the cluster.
2. Use swinstall to install SGeRAC on each node.
3. Modify the cluster configuration file as necessary for RAC use, add OPS_VOLUME_GROUP if
required, and then run cmapplyconf.
4. Reboot each node.
5. Restart the cluster.
Performing a Rolling Upgrade Using DRD
CAUTION: See the limitations listed in Appendix A of Using Serviceguard Extension for RAC. In
addition, there are special conditions that apply to upgrading a system to Serviceguard A.11.20.
You should read the entire section on “Rolling Software Upgrades” in Appendix A of Using
Serviceguard Extension for RAC, and the HP Serviceguard Version A.11.20 Release Notes.
Limitations of Rolling Upgrades using DRD
CAUTION: Stricter limitations apply to an upgrade to A.11.20. Do not proceed with an upgrade
to A.11.20 until you have read and understood the “Special Considerations for Upgrade to
Serviceguard A.11.20” in Appendix D of the latest version of Managing Serviceguard.
Compatibility Information and Installation 19