HP Serviceguard A.11.20.20 for Linux Release Notes, March 2014

3.3.4 Support for iSCSI storage device

Starting Serviceguard A.11.20.20, iSCSI storage device accessible via Linux distributed iSCSI

software initiator is supported as shared storage for application data in a Serviceguard for Linux

cluster. For more information about iSCSI storage device, see Managing HP Serviceguard

A.11.20.20 for Linux manual.

NOTE: An iSCSI storage device does not support configuring a lock LUN.

3.3.5 IP_MONITOR parameter disabled by default

Starting Serviceguard A.11.20.20, when you create a cluster for the first time, the IP_MONITOR

parameter is disabled by default. For more information about how to enable or disable the

IP_MONITOR parameter, see Managing HP Serviceguard A.11.20.20 for Linux manual.

3.3.6 Utilities to migrate legacy style toolkit packages to modular style packages

Starting Serviceguard A.11.20.20, you can migrate legacy style toolkit packages created for

Oracle, NFS, and Contributed Toolkit suite to modular style toolkit packages using the

cmmigratepkg command.

3.3.7 Support for IPV6

Serviceguard allows you to choose either the IPv4 or the IPv6 address family for any subnet

configured into the cluster, including subnets that carry the cluster heartbeat, and those connected

to a Quorum Server. For more information about these modes including restrictions for IPv6–only

and mixed modes, see Managing HP Serviceguard A.11.20.20 for Linux manual.

3.3.8 New behavior during online reconfiguration of the package

Starting Serviceguard February 2014 patch for Linux, Serviceguard supports non-disruptive online

package modification, that is, package does not fail due to any error during online reconfiguration.

For more information, see Managing HP Serviceguard A.11.20.20 for Linux manual.

3.4 Deprecated or obsolete features

The following features are deprecated or obsolete in this version:

• The sg/persistent_res module and the persistent_res.sh control script are obsolete

as of Serviceguard A.11.20.00. Instead, you must use the sg/pr_cntl module and

pr_cntl.sh control script. The capabilities provided by the new module and control script

is also applicable for legacy packages.

If you have configured the packages with sg/persistent_res module in the modular

packages or if you are using sglx_vm parameter in the legacy package, remove the module

and include the sg/pr_cntl module. The sglx_vm parameter is obsolete from Serviceguard

A.11.19.00 onwards.

For more information about how to configure the package, see the Using HP Serviceguard

for Linux with VMware Virtual Machines white paper at http://www.hp.com/go/

linux-serviceguard-docs.

• The cmviewconf command is obsolete as of Serviceguard A.11.20.10. Use the cmviewcl

(1m) command to obtain information about the cluster.

• The Cluster Object Manager (COM) is obsolete as of Serviceguard A.11.20.00 (Red Hat

Enterprise Linux) and A.11.20.10 (SUSE Linux Enterprise Server).

4 Defects fixed in this version

This section lists the known problems and fixes in this release of Serviceguard for Linux.