HP-UX 11i Version 2 June 2007 Release Notes
General System Administration
HP Serviceguard
Chapter 5
131
HP Serviceguard
HP Serviceguard is a high availability software product for protecting mission critical
applications from a wide variety of hardware and software failures. The current version
is A.11.18.
Summary of Change
HP Serviceguard has been updated to version A.11.18 with the following changes:
• New, streamlined package-creation process
• Explicit support for external scripts
•Online changes to HEARTBEAT_INTERVAL, NODE_TIMEOUT, and AUTO_START_TIMEOUT
cluster parameters supported
• Online addition and deletion of heartbeat and data network interfaces along with
the corresponding HEARTBEAT_IP and STATIONARY_IP cluster parameters supported
• General-purpose support for package dependencies on the same node
• General-purpose support for multi-node packages (volume groups must be mounted
in shared mode)
• Support for HP Integrity Virtual Machines (HPVM)
• Support for Veritas VxVM, CVM and CFS 5.0 from Symantec
• Bundle name changed from T1905BA to T1905CA
Impact
• New online capabilities improve cluster uptime
• Package configuration simplified, eliminating manual copying of package control
script
— Existing packages continue to run with full backward compatibility
— New packages can be configured by either the old or the new method
Compatibility
• Some restrictions on Serviceguard rolling upgrade when Storage Management Suite
upgrades are involved
• Changes to naming restrictions for a small number of package-configuration
parameters may require changes to these names if existing packages are
reconfigured
• Note that Serviceguard uses ports and services which may be disabled or blocked in
certain Bastille configurations, security levels, or firewall configurations. Thus
Serviceguard is incompatible with those specific configurations. For more
information see the Compatibility section of the Release Notes for your version of
Serviceguard at http://docs.hp.com (navigate to High Availability, then to
Serviceguard).