HP Tru64 UNIX and TruCluster Server Version 5.1B-5 Patch Summary and Release Notes (March 2009)

Each patch provides fixes to subsets of the operating system. Subset names (listed in
italic font in the following list) consist of three parts; for example, for subset
TCRBASE540, the TCR indicates that the subset is part of the TruCluster Server product,
the BASE indicates a category, and the 540 indicates that the subset belongs to the
Version 5.1B operating system.
4.3.1 New Patches
The patch summaries in this section describe changes to the TruCluster Server software
products that are new in this release.
PATCH 28001.00
TCRBASE540
• Fixes a problem in which a CFS client read operation returns the wrong data due
to stale metadata associated with the file frag.
• Adds a check to prevent the caller from binding to a cluster alias address that the
node has not joined.
• Fixes an infinite loop under certain circumstances in cms_do_mount_rpc().
• Added option to unset all flags for a service in /etc/clua_services.
• Corrects a reference count issue in the KGS subsystem.
• Fixes node panic with ics_unable_to_make_progress: netisrs stalled,
though netisr thread was not actually stalled.
• Provides a fix for a domain panic caused by hung IOs on a busy or faulty disk
drive. The panic can happen after all but one path to the disk drive being disabled
then re-enabled.
• Corrects a problem where a 'local open' on a previously opened tape drive results
in an erroneous "no such device" message.
• Provides a fix for a cluster boot-time hang, caused by a fault quorum disk.
• Fixes multiple issues with RDG(Reliable DataGram) component in a LAN cluster.
• Fixes an issue with CFS failover subsystem where, under certain domain
configurations failover process may hang.
• Fixes a problem with fuser(8) where usage of the -a option leaves the filesystem
incapable of unmounting even if no files or directories on the filesystem are in use.
• Fixes a problem where, under certain circumstances, a close on socket of type
AF_UNIX may result in a system panic.
• Provides enhancements to the DRD trace framework.
• Optimize the performance of ics0 interface in a LAN cluster.
• Fixes an issue with aliasd routing in a cluster.
• Avoids panic due to bad quorum disk during boot process.
• Fixes an issue wherein Internode Communication Subsystem panics when it
receives messages for an unknown service.
4.3 Summary of TruCluster Server Software Patches 217