HP Serviceguard for Linux Version A.11.19 Release Notes, April 2009

The CD is the HP Serviceguard for Linux CD™, containing:
• Serviceguard for Linux version A.11.19 for:
— Red Hat Enterprise Linux 5 server or Advanced Platform
— SUSE SLES 10
— Quorum Server software and documentation
— Serviceguard Manager software and documentation
Complete Serviceguard documentation is provided on the CD.
New Licensing Method
Serviceguard for Linux A.11.19 is shipped with an instant-on license valid for 90 days.
This allows you to start using Serviceguard A.11.19 even if you do not yet have a
permanent license. Before this grace period elapses, you must either get a permanent
license or renew the existing instant-on license with a new evaluation license. See
“Obtaining and Installing a Permanent License” (page 35).
The instant-on license is automatically installed with the autopass rpm, and is activated
when Serviceguard is used for the first time. The license key is installed in the file
$SGCONF/AutoPass/LicFile.txt.
IMPORTANT: Do not delete this file.
New Cluster Manager
Serviceguard A.11.19 introduces a new cluster manager. In a running cluster, this affects
node timeout and failover and cluster re-formation, providing significant performance
improvements; see the discussion of MEMBER_TIMEOUT under “Cluster Configuration
Parameters” in the latest version of Managing Serviceguard for Linux for more information.
There is also a one-time effect on rolling upgrade to Serviceguard A.11.19.
Upgrade will trigger a cluster membership transition from the old to the new cluster
manager when the last node in the cluster has rolled to A.11.19. This transition can take
up to one second, during which time the old cluster manager will shut down and the
new cluster manager will start.
CAUTION: From the time when the old cluster manager is shut down until the new
cluster manager forms its first cluster, a node failure will cause the entire cluster to fail.
HP strongly recommends that you use no Serviceguard commands other than
cmviewcl (1m) until the new cluster manager successfully completes its first cluster
re-formation. See “Rolling Software Upgrades” (page 49) for more information.
Legacy Packages
In A.11.19, you can still create new packages using the legacy method (the method
used before Serviceguard A.11.18; see “Configuring a Legacy Package” in Chapter 7
Announcements 11