* * * READ ME * * *
              * * * Veritas Group Lock Manager 6.2.1 * * *
                         * * * Patch 100 * * *
                         Patch Date: 2015-08-11


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 6.2.1 Patch 100


OPERATING SYSTEMS SUPPORTED BY THE PATCH
----------------------------------------
SLES12 x86-64


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


BASE PRODUCT VERSIONS FOR THE PATCH
-----------------------------------
   * Symantec Storage Foundation Cluster File System HA 6.2.1
   * Symantec Storage Foundation for Oracle RAC 6.2.1


SUMMARY OF INCIDENTS FIXED BY THE PATCH
---------------------------------------
Patch ID: 6.2.1.100
* 3752475 (3758102) In Cluster File System(CFS) on Linux, stack overflow while
creating ODM file.
* 3821699 (3821698) GLM module failed to load on SLES11 SP4.
Patch ID: 6.2.1.000
* 3701480 (3697141) Added support for Sles12
* 3737333 (3737329) Added support for RHEL7.1


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

Patch ID: 6.2.1.100

* 3752475 (Tracking ID: 3758102)

SYMPTOM:
In Cluster File System(CFS) on Linux, stack overflow while creating
ODM file.

DESCRIPTION:
In case of CFS, while creating a ODM file, cluster inode needs
initialization, which takes GLM(Group Lock Manager) lock.  While taking GLM
lock, processing within GLM module may lead to the system panic due to stack
overflow in Linux while doing memory allocation.

RESOLUTION:
Modified handoff values.

* 3821699 (Tracking ID: 3821698)

SYMPTOM:
GLM module will not get loaded on SLES11 SP4.

DESCRIPTION:
Since SLES11 SP4 is new release therefore GLM module failed to load
on it.

RESOLUTION:
Added GLM support for SLES11 SP4.

Patch ID: 6.2.1.000

* 3701480 (Tracking ID: 3697141)

SYMPTOM:
Added support for Sles12

DESCRIPTION:
Added support for Sles12

RESOLUTION:
Added support for Sles12

* 3737333 (Tracking ID: 3737329)

SYMPTOM:
Added support for RHEL7.1

DESCRIPTION:
Added support for RHEL7.1

RESOLUTION:
Added support for RHEL7.1



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-sles12_x86_64-Patch-6.2.1.100.tar.gz to /tmp
2. Untar glm-sles12_x86_64-Patch-6.2.1.100.tar.gz to /tmp/hf
    # mkdir /tmp/hf
    # cd /tmp/hf
    # gunzip /tmp/glm-sles12_x86_64-Patch-6.2.1.100.tar.gz
    # tar xf /tmp/glm-sles12_x86_64-Patch-6.2.1.100.tar
3. Install the hotfix
    # pwd /tmp/hf
    # ./installVRTSglm621P1 [<host1> <host2>...]

Install the patch manually:
--------------------------
Please refer to  Install guide for install instructions


REMOVING THE PATCH
------------------
Please refer to  Install guide for uninstall instructions


SPECIAL INSTRUCTIONS
--------------------
NONE


OTHERS
------
NONE