HP Serviceguard Version A.11.20 Release Notes, April 2011

Using the modular style of packaging provides flexibility and can be managed better compared
to the legacy style of packaging, and is the highly recommended approach to create CFS packages.
NOTE: For this feature to be enabled, both patches, Serviceguard A.11.20 patch (PHSS_41628)
and Serviceguard CFS A.11.20 patch (PHSS_41674) must be installed.
Advantages of Modular CFS Packages
• A single multi-node package can include multiple disk groups and mount points, thus reducing
the number of packages required to build a CVM/CFS storage configuration.
• Disk groups and mount points can also be placed in separate multi-node packages, but
dependencies between the mount points and disk groups must be configured explicitly in the
configuration files.
• Modular CFS packages can also be configured and managed by Serviceguard Manager.
• Supports parallel activation of disk groups and parallel mounting of mount points.
• The Serviceguard cluster and package information displayed by cmviewcl (1m) output is
more compact.
For more information on modular CFS packages, see “Creating a Storage Infrastructure with Veritas
Cluster File System (CFS)” and “Managing Disk Groups and Mount Points Using Modular Packages”
in chapter 5 of Managing Serviceguard Nineteenth Edition manual.
Improved Performance while Halting a Non-detached Multi-node Package
The command cmhaltpkg (1m) has been modified so that you will now see a performance
improvement while halting a non-detached multi-node package. When cmhaltpkg (1m) is run
on a non-detached multi-node package, the package is halted simultaneously on all the nodes or
the list of the nodes specified, thus reducing the down time in halting the packages. This performance
improvement is directly dependent on the number of nodes on which the package needs to be
halted; the performance benefit increases as the number of nodes increases. cmhaltpkg (1m)
defaults to this behavior and the feature is automatically enabled once all the nodes in the cluster
are upgraded to Serviceguard A.11.20 April 2011 patch (PHSS_41628).
Support for Veritas 5.1 SP1 on HP-UX 11i v3 Only
IMPORTANT: For information about patches required to support HP Storage Management Suite
(SMS) bundles see the HP Serviceguard Storage Management Suite Release Notes for your version
of the Storage Management Suite at http://www.hp.com/go/hpux-serviceguard-docs —> HP
Serviceguard Storage Management Suite A.04.xx (with 5.1 SP1 Veritas).
• Serviceguard A.11.20 on HP-UX 11i v3 with the patches listed under “April 2011 Patches”
(page 7) supports versions 5.0.1 and 5.1 SP1 of Veritas VxVM, CVM, and CFS from
Symantec.
• Serviceguard A.11.20 on HP-UX 11i v3 with the September 2010 patch supports version
5.0.1 of Veritas VxVM, CVM, and CFS from Symantec, and not 5.0 and earlier.
NOTE: For more information about SMS support for version 5.1 SP1, including information about
new capabilities, and patches that are required in addition to those listed under “April 2011
Patches” (page 7), see the HP Serviceguard Storage Management Suite Version A.04.00 for
HP-UX 11i v3 Release Notes at the address given above.
Easy Deployment
In the past you had two main choices for configuring a cluster: using Serviceguard commands, as
described in detail in chapter 5 of Managing Serviceguard, or using the Serviceguard Manager
16 Serviceguard Version A.11.20 Release Notes