HP Serviceguard A.11.20.20 for Linux Release Notes, May 2013

1 Overview
This document provides information about HP Serviceguard A.11.20.20 for Linux.
2 Supported platforms and Linux distributions
Serviceguard A.11.20.20 is available on HP ProLiant Servers for the following Linux distributions:
• Red Hat Enterprise Linux 5 or Advanced Platform
• Red Hat Enterprise Linux 6 or Advanced Platform
• SUSE Linux Enterprise Server 11
The HP Serviceguard Extended Distance Cluster (serviceguard-xdc) for Linux A.11.20 is available
on HP Proliant servers running on Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, and
SUSE Linux Enterprise Server 11.
NOTE:
• For more information about support of new updates or service packs, supported errata, see
the latest version of HP Serviceguard for Linux Certification Matrix available at http://
www.hp.com/go/linux-serviceguard-docs.
• If you have upgraded the kernel to a new errata, you must rebuild the deadman driver for the
cluster to work properly. For more information about how to rebuild the deadman driver, see
Managing HP Serviceguard A.11.20.20 for Linux at http://www.hp.com/go/
linux-serviceguard-docs.
3 What is new in this release
This section describes the new and changed features for HP Serviceguard A.11.20.20 for Linux.
3.1 What is new in Serviceguard for Linux
• “Support for persistent reservation with Device Mapper multipath” (page 7)
• “Support for Red Hat Enterprise Linux Kernel-based Virtual Machine guests as cluster nodes”
(page 7)
• “Support for cluster verification” (page 7)
• “Support for iSCSI storage device” (page 7)
• “IP_MONITOR parameter disabled by default” (page 8)
• “Utilities to migrate legacy style toolkit packages to modular style packages” (page 8)
• Support for serviceguard-xdc on Virtual Machine environment and persistent reservation with
Multipath environment. This is supported only with VMware guests.
• Support for XFS file system on both Red Hat Enterprise Linux 6 and later, and SUSE Linux
Enterprise Server 11
• Support for Red Hat Enterprise Linux 5 with ext4 file system
• Improved validation for volume group and file system in the modular package during online
package reconfiguration
3.1.1 What is new in Serviceguard Manager
There are no new features in this release.
1 Overview 5