HP Tru64 UNIX and TruCluster Server Version 5.1B-6 Patch Summary and Release Notes

• 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.
• Updates volstat utility and kernel to report cluster-wide LSM statistics.
• Add support in cluster alias to handle socket unlisten.
PATCH 28002.00
TCRMAN540
• Provides the latest reference pages for sys_attrs_cfs(5), sys_attrs_clubase(5), and sys_attrs_rdg(5).
• Updates clu_alias.config(4) and exports.aliases(4) reference pages.
• Updates sys_attrs_icsnet(5) reference page to reflect icsnet_mtu attribute.
• Updates the following reference pages: clua_services(4), cfsd.conf(4), sys_attrs_ics_ll_tcp(5)
• Updates the following reference pages: imcs(1), dlm_rd_collect(3), dlm_rd_validate(3),
imc_rderrcnt(3), sys_attrs_cms(5), sys_attrs_drd(5), sys_attrs_icsnet(5)
Patch 27001.00
TCRBASE540
• Eliminates numerous panics and hung devices by fixing drd so it no longer accesses a device
that has a deletion pending or in progress.
• Fixes an RM simple lock timeout issue that may occur in noisy Memory channel rails.
• Enhances the error message generated when the clu_bdmgr command cannot access a
member boot disk.
• Fixes a configuration issue found in non-CAM devices and CD_ROM devices.
• Fixes the cause of potential cluster hangs during some Memory Channel hardware failures
that result in an MC rail failover.
• Fixes the CFS AIO write error path so the I/O completion steps are not repeated.
• Fixes a flaw in CFS file locking code that causes a "vrele: bad ref count" panic.
• Fixes the cause of an assertion failure in cfs_vnops.c.
Summary of TruCluster Server Software Patches 163