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glm-sol10_x64-Patch-6.0.1.200
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 Basic information
Release type: Patch
Release date: 2016-03-10
OS update support: None
Technote: None
Documentation: None
Popularity: 253 viewed    22 downloaded
Download size: 167.82 KB
Checksum: 3495137287

 Applies to one or more of the following products:
VirtualStore 6.0.1 On Solaris 10 X64
Storage Foundation Cluster File System 6.0.1 On Solaris 10 X64
Storage Foundation for Oracle RAC 6.0.1 On Solaris 10 X64

 Obsolete patches, incompatibilities, superseded patches, or other requirements:

This patch supersedes the following patches: Release date
glm-sol10_x64-6.0.1.100 (obsolete) 2014-04-16

 Fixes the following incidents:
3364311, 3845273

 Patch ID:
150740-02

 Readme file  [Save As...]
                          * * * READ ME * * *
              * * * Veritas Group Lock Manager 6.0.1 * * *
                      * * * Patch 6.0.1.200 * * *
                         Patch Date: 2016-03-03


This document provides the following information:

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


PATCH NAME
----------
Veritas Group Lock Manager 6.0.1 Patch 6.0.1.200


OPERATING SYSTEMS SUPPORTED BY THE PATCH
----------------------------------------
Solaris 10 X64


PACKAGES AFFECTED BY THE PATCH
------------------------------
VRTSglm


BASE PRODUCT VERSIONS FOR THE PATCH
-----------------------------------
   * Symantec VirtualStore 6.0.1
   * Veritas Storage Foundation Cluster File System HA 6.0.1
   * Veritas Storage Foundation for Oracle RAC 6.0.1


SUMMARY OF INCIDENTS FIXED BY THE PATCH
---------------------------------------
Patch ID: 150740-02
* 3845273 (2850818) GLM  thread got panic with null pointer de-reference.
Patch ID: 150740-01
* 3364311 (3364309) Internal stress test on cluster file system hit debug assert in Group Lock Manager (GLM).


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

Patch ID: 150740-02

* 3845273 (Tracking ID: 2850818)

SYMPTOM:
GLM thread may get panic if cache pointer remains null.

DESCRIPTION:
When GLM cache pointer is de-refrenced, thread got panicked. This
is due to the reason that there can be a case where memory is not allocated to
the cache and pointer remained null but we missed the check for null pointer and
later we de-referenced that resulting into the panic.

RESOLUTION:
Code has been modified to handle the situation where memory is not
allocated for the cache.

Patch ID: 150740-01

* 3364311 (Tracking ID: 3364309)

SYMPTOM:
Internal stress test on cluster file system hit debug assert in Group Lock Manager (GLM).

DESCRIPTION:
In GLM, the code to handle last revoke for a lock may cause a deadlock which is caught upfront by debug assert.

RESOLUTION:
The code is modified to avoid deadlock while handling last revoke for a lock.



INSTALLING THE PATCH
--------------------
Run the Installer script to automatically install the patch:
-----------------------------------------------------------
To install the patch perform the following steps on at least one node in the cluster:
1. Copy the patch glm-sol10_x64-Patch-6.0.1.200.tar.gz to /tmp
2. Untar glm-sol10_x64-Patch-6.0.1.200.tar.gz to /tmp/hf
    # mkdir /tmp/hf
    # cd /tmp/hf
    # gunzip /tmp/glm-sol10_x64-Patch-6.0.1.200.tar.gz
    # tar xf /tmp/glm-sol10_x64-Patch-6.0.1.200.tar
3. Install the hotfix
    # pwd 
    /tmp/hf
    # ./installGLM601P2 [<host1> <host2>...]

You can also install this patch together with 6.0.1 GA release and 6.0.5 Patch release
    # ./installGLM601P2 -base_path [<601 path>] -mr_path [<605 path>] [<host1> <host2>...]
where the -mr_path should point to the 6.0.5 image directory, while -base_path to the 6.0.1 image.

Install the patch manually:
--------------------------
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/150740-02


REMOVING THE PATCH
------------------
The following example removes a patch from a standalone system:
       example# patchrm 150740-02
For additional examples please see the appropriate manual pages.


SPECIAL INSTRUCTIONS
--------------------
Manually install this patch by the native OS command such as "patchadd" if it's installed on stacks other than 6.0.5.


OTHERS
------
NONE



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