HP Serviceguard Version A.11.20 Release Notes, February 2014

• cDSFs are not supported with NPIV storage.
• cDSFs are not supported by Ignite-UX in a Serviceguard Cluster environment. Volume groups
configured with a cDSF will not be archived using Ignite-UX recovery archive creation tools.
For more information, see the latest Ignite-UX Frequently Asked Questions document at http://
www.hp.com/go/ignite-ux-docs.
LVM Commands and cDSFs
Some HP-UX commands have new options and behavior to support cDSFs, specifically:
• vgimport –C causes vgimport (1m) to use cDSFs
• vgscan –C causes vgscan (1m) to display cDSFs
See the manpages for more information.
The following new HP-UX commands handle cDSFs specifically:
• vgcdsf(1m) converts all persistent DSFs in a volume group to cDSFs.
Legacy DSFs in the volume group will not be converted, but you can use the HP-UX vgdsf
script to convert these legacy DSFs to persistent DSFs if you need to. For more information on
the vgdsf script, see the white paper LVM Migration from Legacy to Agile Naming Model
at http://www.hp.com/go/hpux-core-docs. For more information on vgcdsf, see the
manpage.
• io_cdsf_config (1m) displays information about cDSFs.
See the manpage for more information.
Checking the Cluster Configuration and Components
Serviceguard provides tools that allow you to check the soundness of the cluster configuration, and
the health of its components. In past releases, much of this was done by cmcheckconf (1m)
and/or cmapplyconf (1m) and could be done only when you were changing the configuration
of the cluster or packages.
As of Serviceguard A.11.20, these commands perform additional checks, and a new command,
cmcompare (1m) allows you to compare the contents and characteristics of cluster-wide files to
make sure they are consistent. In addition, you can check configuration of the cluster and all of its
packages at any time by running cmcheckconf (1m) without arguments (or with -v; see below).
See also cmcheckconf (5). These checks help you to ensure that packages will start up and
fail over successfully.
The following capabilities are new as of Serviceguard A.11.20.
What’s in this Release 21