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Matrix File Serving Solution Pack for Linux
2
• Defect 12667. Under heavy I/O load conditions, it was possible for a
probe I/O request for an export group to be outstanding when the next
scheduled probe I/O was started. If this I/O load persisted for a period
of time, a large number of monitor threads could accumulate until the
I/O device became available again.
• Defect 12881. In previous releases, there was an unintended
interaction between the transition of IP addresses across cluster nodes
and the NFS locking subsystem. Occasionally a deadlock would occur,
halting the operation of an important component of PolyServe cluster
management. The potential for deadlock has now been removed.
• Defect 13095. The NSM vstatd daemon could terminate in error when
an NLM client concluded its locking activity.
• Defect 13315. The exportfssync process had difficulty parsing certain
valid export records, resulting in incomplete or corrupt records in
/etc/exports.
• Defect 13192. A small memory leak has been removed from a legacy
code path used by exportfssync.
• Defect 13547. In Linux kernels 2.6 through 2.6.11, a race condition in
the kernel RPC cache mechanism corrupted cache hash chains and
possibly triggered other problems related to memory corruption. The
race condition has been removed.
• Defect 13555. Given sufficient incoming work, an nfsd process could
monopolize a processor. The nfsd work loop now yields to other
runnable processes each time it processes an NFS operation.
• Defect 13602. The tool tip help for the “all_squash” and
“no_all_squash” Export Record options was reversed.
• Defect 13746. Export Records were not always parsed correctly in
accordance with domain wildcard rules and netmask rules.
• Defect 13758. A shut down of the nfsd kernel module could race with
configuration of transient-error suppression flags, resulting in bad
memory references inside the kernel. This race has been removed.
• Defect 14005. The NSM vstatddaemon was not monitored by the
Export Group probe.
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