Serviceguard Extension for RAC Version A.11.18 Release Notes, 3rd Edition, April 2008

1 Serviceguard Extension for RAC Version A.11.18 Release
Notes
Announcements
This section announces the important features and limitations of Serviceguard Extension
for RAC (SGeRAC) A.11.18. The third edition of these release notes contains information
on support for LVM version 2. For more information, see “What’s in this Version”
(page 12).
Dependencies
The A.11.18 version of SGeRAC is supported on HP-UX 11i v2 and 11i v3. There are
platform dependencies; see the following subsections for details:
• HP-UX 11i v2 Updates
• HP-UX 11i v3 Updates
SGeRAC (formerly known as Serviceguard OPS Edition or MC/LockManager) is a
specialized facility that provides the framework for using Oracle Real Application
Cluster (RAC) software on HP 9000 and HP Integrity servers.
NOTE: Cross-subnet, a new Serviceguard feature introduced in the October 2007
Patch (PHSS_37094 on 11i v2 and PHSS_37095 on 11i v3), is currently not supported
with SGeRAC.
Version A.11.18 of SGeRAC permits a maximum of 16 HP 9000 or HP Integrity servers
configured as a high availability cluster. Multiple Oracle databases on the same node
are supported.
SGeRAC must be used with Serviceguard, which provides general purpose clustering.
Starting with version A.11.15, SGeRAC has been de-coupled from Serviceguard.
Serviceguard version A.11.18 must be installed as a prerequisite product for SGeRAC
version A.11.18. The features of Serviceguard version A.11.18 are supported with the
same limitations being applied. (Refer to the Serviceguard Version A.11.18 Release Notes)
In addition, SGeRAC version A.11.18 can be installed on top of the HP-UX 11i v2 and
11i v3 Mission Critical Operating Environment (MCOE). It is not necessary to uninstall
Serviceguard filesets before installing SGeRAC.
Announcements 9