odm-rhel6_x86_64-Patch-6.2.1.300
Obsolete

 Basic information
Release type: Patch
Release date: 2016-12-30
OS update support: None
Technote: None
Documentation: None
Popularity: 291 viewed    22 downloaded
Download size: 1.63 MB
Checksum: 2245348072

 Applies to one or more of the following products:
Storage Foundation 6.2 On RHEL6 x86-64
Storage Foundation Cluster File System 6.2 On RHEL6 x86-64
Storage Foundation for Oracle RAC 6.2 On RHEL6 x86-64
Storage Foundation HA 6.2 On RHEL6 x86-64

 Obsolete patches, incompatibilities, superseded patches, or other requirements:

This patch is obsolete. It is superseded by: Release date
sfha-rhel6_x86_64-Patch-6.2.1.400 2018-08-31
sfha-rhel6_x86_64-Patch-6.2.1.300 2017-03-23
sfha-rhel6_x86_64-Patch-6.2.1.200 (obsolete) 2017-01-10

 Fixes the following incidents:
3906065

 Patch ID:
VRTSodm-6.2.1.300-RHEL6

Readme file
                          * * * READ ME * * *
             * * * Veritas Oracle Disk Manager 6.2.1 * * *
                         * * * Patch 300 * * *
                         Patch Date: 2016-12-23


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 Oracle Disk Manager 6.2.1 Patch 300


OPERATING SYSTEMS SUPPORTED BY THE PATCH
----------------------------------------
RHEL6 x86-64


PACKAGES AFFECTED BY THE PATCH
------------------------------
VRTSodm


BASE PRODUCT VERSIONS FOR THE PATCH
-----------------------------------
   * Symantec Storage Foundation 6.2
   * Symantec Storage Foundation Cluster File System HA 6.2
   * Symantec Storage Foundation for Oracle RAC 6.2
   * Symantec Storage Foundation HA 6.2


SUMMARY OF INCIDENTS FIXED BY THE PATCH
---------------------------------------
Patch ID: 6.2.1.300
* 3906065 (3757609) CPU usage going high because of contention over ODM_IO_LOCK


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

Patch ID: 6.2.1.300

* 3906065 (Tracking ID: 3757609)

SYMPTOM:
High CPU usage because of contention over ODM_IO_LOCK

DESCRIPTION:
While performing ODM IO, to update some of the ODM counters we take
ODM_IO_LOCK which leads to contention from multiple  of iodones trying to update
 these counters at the same time. This is results in high CPU usage.

RESOLUTION:
Code modified to remove the lock contention.



INSTALLING THE PATCH
--------------------
Run the Installer script to automatically install the patch:
-----------------------------------------------------------
Please be noted that the installation of this P-Patch will cause downtime.

To install the patch perform the following steps on at least one node in the cluster:
1. Copy the patch odm-rhel6_x86_64-Patch-6.2.1.300.tar.gz to /tmp
2. Untar odm-rhel6_x86_64-Patch-6.2.1.300.tar.gz to /tmp/hf
    # mkdir /tmp/hf
    # cd /tmp/hf
    # gunzip /tmp/odm-rhel6_x86_64-Patch-6.2.1.300.tar.gz
    # tar xf /tmp/odm-rhel6_x86_64-Patch-6.2.1.300.tar
3. Install the hotfix(Please be noted that the installation of this P-Patch will cause downtime.)
    # pwd /tmp/hf
    # ./installVRTSodm621P3 [<host1> <host2>...]

You can also install this patch together with 6.2.1 maintenance release using Install Bundles
1. Download this patch and extract it to a directory
2. Change to the Veritas InfoScale 6.2.1 directory and invoke the installmr script
   with -patch_path option where -patch_path should point to the patch directory
    # ./installmr -patch_path [<path to this patch>] [<host1> <host2>...]

Install the patch manually:
--------------------------
# rpm -Uvh VRTSodm-6.2.1.300-RHEL6.x86_64.rpm


REMOVING THE PATCH
------------------
# rpm -e <rpm-name>


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


OTHERS
------
NONE
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