HP Serviceguard Quorum Server Version A.04.00 Release Notes, May 2014

You can also configure any two Serviceguard clusters to provide quorum services for each other;
for more information, see the white paper, Cross-cluster Quorum Server Configurations at
www.hp.com/go/hpux-serviceguard-docs -> HP Serviceguard Quorum Server
Software.
If the Quorum Server is not available or reachable, it will not adversely affect any clusters using
it, unless a cluster needs to reform and requires the Quorum Server’s arbitration to do so.
As of Serviceguard A.11.19, you can change from one quorum server to another, or to or from
another quorum method, while the cluster is running.
IMPORTANT: For more information, see “What Happens when You Change the Quorum
Configuration Online” in Chapter 3 of Managing Serviceguard manual.
System Requirements and Recommendations
System Requirements
Operating System and Hardware Requirements
The HP-UX version of Quorum Server version A.04.00 runs on HP 9000 servers, HP Integrity
servers, and HP-UX workstations, running HP-UX 11i v2 or 11i v3.
The Linux version of Quorum Server version A.04.00 and A.04.00.01 runs on:
• Any hardware specified in the HP Serviceguard for Linux Certification Matrix (which you can
find at: http://www.hp.com/info/sglx) and running one of the following Linux
distributions in IA32, IA64, or x86_64 versions:
◦ Red Hat 5
◦ Red Hat 6
◦ SLES10
◦ SLES11
NOTE: The Linux version of Quorum Server version A.04.00.01 runs only on Red Hat 6.0
and only x86_64.
The Linux version of Quorum Server version A.04.00 runs on Red Hat 5.0, SLES10, and
SLES11.
• Any HP PC supported to run any of the operating systems indicated by the previous bullet.
A Quorum Server can provide quorum services for multiple HP-UX or Linux clusters, or a combination
of both, up 150 clusters but not exceeding 300 nodes in all.
CAUTION: Make sure that each cluster served by a given Quorum Server has a unique cluster
name. Serviceguard normally enforces this, but under some circumstances (for example if the
clusters are on different subnets) Serviceguard will not be able to detect a duplicate name. See
also “Network Recommendations” (page 8).
System Requirements and Recommendations 7