Serviceguard Extension for RAC Version A.11.19 Release Notes, March 2009

1 Serviceguard Extension for RAC Version A.11.19 Release
Notes
Announcements
This section announces the important features and limitations of Serviceguard Extension for
RAC (SGeRAC) A.11.19. The fourth edition of these release notes contains information on support
for LVM version 2.0 (or later). For more information, see “What’s in this Version” (page 7).
Dependencies
The A.11.19 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 is
currently not supported with SGeRAC.
Version A.11.19 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.11.19 must be installed as a prerequisite product for SGeRAC version
A.11.19. The features of Serviceguard version A.11.19 are supported with the same limitations
being applied. (Refer to the Serviceguard Version A.11.19 Release Notes)
In addition, SGeRAC version A.11.19 can be installed on top of the HP-UX 11i v2 and 11i v3
Mission Critical Operating Environment (MCOE), High Availability Operating Environment
(HAOE) or Data Center Operating Environment (DCOE). It is not necessary to uninstall
Serviceguard filesets before installing SGeRAC.
Announcements 5