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

IMPORTANT: A.11.19.01 is a prerequisite for the October 2009 patches, and hence for
the new Serviceguard Manager features. This means that you must apply the appropriate
July patch (see“July 2009 Patches” (page 9)) before applying an October patch.
Features Introduced in A.11.19
The features being introduced in the July and October 2009 patches are listed in the
previous subsections; see New Features for A.11.19.01 (July 2009 Patches) and “New
Features for October 2009 Patches” (page 14).
The following features were introduced in the initial release of A.11.19:
• Serviceguard now supports the IPv6 hostname address family for all cluster
components, with some restrictions. The July 2009 patches provide further support.
See “New Support for IPv6” (page 16).
• You can now perform maintenance on a running package. The July 2009 patches
provide further support. See“Package Maintenance Mode” (page 19).
• You can configure new types of dependencies between packages. See “New Kinds
of Package Dependency” (page 20).
• You can configure package weights and node capacities, allowing you to control
broadly which packages can run simultaneously on a given node. See “About
Package Weights” (page 21).
• Other minor new package features are listed under “Other Package Changes”
(page 32).
• Serviceguard can now monitor subnets at the IP level, as well as the link level. See
“About the IP Monitor” (page 21).
• You can now make configuration changes while the cluster is running, particularly
in regard to the cluster lock, that were not allowed online in previous releases, or
were restricted; see “New Online Cluster Configuration Capabilities” (page 21).
• In the case of modular packages, you can now make most package configuration
changes while the package is running, and you can also make more changes to
legacy packages online. See “New Online Package Configuration Capabilities”
(page 22). (For information about modular and legacy packages, see Chapter 6 of
the latest version of Managing Serviceguard.)
• You can now preview the effects both of individual commands and of large-scale
cluster changes; see “New Preview Capabilities” (page 22).
• A new utility allows you to monitor applications running inside Virtual Machine
(VM) guests. See “About cmappmgr” (page 23).
• Serviceguard A.11.19 uses Persistent Reservations (PR). See “About Persistent
Reservations” (page 22)
What’s in this Release 15