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vcscvm-sol_sparc-5.1SP1RP2P1
Obsolete
The latest patch(es) : sfha-sol_sparc-5.1SP1RP4 
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 Basic information
Release type: P-patch
Release date: 2012-06-28
OS update support: None
Technote: None
Documentation: None
Popularity: 588 viewed    52 downloaded
Download size: 327.42 KB
Checksum: 1355745320

 Applies to one or more of the following products:
VirtualStore 5.1SP1 On Solaris 10 SPARC
VirtualStore 5.1SP1 On Solaris 9 SPARC
Storage Foundation Cluster File System 5.1SP1 On Solaris 10 SPARC
Storage Foundation Cluster File System 5.1SP1 On Solaris 9 SPARC
Storage Foundation for Oracle RAC 5.1SP1 On Solaris 10 SPARC
Storage Foundation for Oracle RAC 5.1SP1 On Solaris 9 SPARC

 Obsolete patches, incompatibilities, superseded patches, or other requirements:

This patch is obsolete. It is superseded by: Release date
sfha-sol_sparc-5.1SP1RP4 2013-08-21

 Fixes the following incidents:
2694495, 2788309, 2824916

 Patch ID:
143274-08, 143273-08

 Readme file  [Save As...]
                          * * * READ ME * * *
* * * Cluster Server Agent Extension for SFCFS Distribution 5.1 SP1 RP2 * * *
                         * * * P-patch 1 * * *
                         Patch Date: 2012-06-27


This document provides the following information:

   * PATCH NAME
   * PACKAGES AFFECTED BY THE PATCH
   * BASE PRODUCT VERSIONS FOR THE PATCH
   * OPERATING SYSTEMS SUPPORTED BY THE PATCH
   * INCIDENTS FIXED BY THE PATCH
   * INSTALLATION PRE-REQUISITES
   * INSTALLING THE PATCH
   * REMOVING THE PATCH


PATCH NAME
----------
Cluster Server Agent Extension for SFCFS Distribution 5.1 SP1 RP2 P-patch 1


PACKAGES AFFECTED BY THE PATCH
------------------------------
VRTScavf
VRTScavf


BASE PRODUCT VERSIONS FOR THE PATCH
-----------------------------------
   * Veritas Storage Foundation for Oracle RAC 5.1 SP1
   * Veritas Storage Foundation Cluster File System 5.1 SP1
   * Symantec VirtualStore 5.1 SP1


OPERATING SYSTEMS SUPPORTED BY THE PATCH
----------------------------------------
Solaris 9 SPARC
Solaris 10 SPARC


INCIDENTS FIXED BY THE PATCH
----------------------------
This patch fixes the following Symantec incidents:

Patch ID: 143274-08, 143273-08

* 2694495 (Tracking ID: 2669724)

SYMPTOM:
CFSMount agent hit assert on monitor timeout with stack similar to the 
following:

VCSAssert()
VCSAgThreadTbl::add()
VCSAgRes::call_entry_point()
VCSAgIntState::process_res_fault()
VCSAgISMonitoring::timedout()
VCSAgRes::process_cmd()
vcsag_service_thread_join()
start_thread()

Also following messages will apear in the engine log:

Thread(4149205920) Agent is calling clean for resource(cfsmount12) because 1 
successive invocations of the monitor procedure did not complete within the 
expected time.
2010 Jul 23 21:30:09 swsfs2_01 AgentFramework[3942]: ASSERTION FAILED

DESCRIPTION:
The pthread cancellation is not processed cleanly by the library 
glibc routines used in monitor entry point. Due to this the cancellation 
cleanup handler was not getting called.

RESOLUTION:
Replaced the glibc function with the unix system call to avoid it, 
e.g fopen() replaced with open and fgets() replaced with read().

* 2788309 (Tracking ID: 2684573)

SYMPTOM:
The performance of the cfsumount(1M) command for the VRTScavf package is slow 
when some checkpoints are deleted.

DESCRIPTION:
When a checkpoint is removed asynchronously, a kernel thread is started to 
handle the job in the background. If an unmount command is issued before these 
checkpoint removal jobs are completed, the command waits for the completion of 
these jobs. A forced unmount can interrupt the process of checkpoint deletion 
and the remaining work is left to the next mount.

RESOLUTION:
The code is modified to add a counter in the vxfsstat(1M) command to determine 
the number of checkpoint removal threads in the kernel. The '-c' option is 
added to the cfsumount(1M) command to force unmount a mounted file system if 
the checkpoint jobs are running.

* 2824916 (Tracking ID: 2824895)

SYMPTOM:
vcscvm test cfsumount was failing while umount of a storage checkpoint instance
through cfsumount.

DESCRIPTION:
While umount through cfsumount when storage checkpoint instance on one of the
node of cluster is mounted, the cfsumount didn't succeeded on nodes where parent
is not ONLINE.

RESOLUTION:
Update proper checks in check_offline function to make sure in failed umount
case and return correct umount exit code.


INSTALLING THE PATCH
--------------------
For the Solaris 10 release, refer to the online manual pages for
instructions on using 'patchadd' and 'patchrm' scripts provided with
Solaris.  Any other special or non-generic installation instructions
should be described below as special instructions.  The following
example installs a patch to a standalone machine:

       example# patchadd /var/spool/patch/143273-08


REMOVING THE PATCH
------------------
The following example removes a patch from a standalone system:

       example# patchrm 143273-08

For additional examples please see the appropriate manual pages.


SPECIAL INSTRUCTIONS
--------------------
Sun introduced a page ordering vnode optimization in Solaris 9 and 10.
The optimization includes a new vnode flag, VMODSORT, which when turned on
indicates that the Virtual Memory (VM) should maintain the v_pages list
in an order depending on if a page is modified or unmodified.

Veritas File System (VxFS) can now take advantage of that flag,
which can result in significant performance improvements on operations
that depend on flushing, such as fsync.

This optimization requires the fixes for Sun BugID's 6393251 and 6538758
which are included in the Solaris kernel patch listed below.
Enabling VxFS VMODSORT functionality without the correct OS kernel patches
can result in data corruption.

Required operating system patches:

  (Solaris 9 SPARC)
     122300-11  (or greater)
        dependent patches:
        112233-12
        117171-17
        118558-39


To enable VxFS VMODSORT functionality, the following linemust be added
to the /etc/system file after the vxfs forceload:

        set vxfs:vx_vmodsort


OTHERS
------
NONE



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