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fs-aix61-6.0.1.200
Obsolete
The latest patch(es) : sfha-aix-6.0.5 
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 Basic information
Release type: Patch
Release date: 2012-09-20
OS update support: None
Technote: None
Documentation: None
Popularity: 916 viewed    72 downloaded
Download size: 14.92 MB
Checksum: 4083355767

 Applies to one or more of the following products:
Storage Foundation 6.0.1 On AIX 6.1
Storage Foundation 6.0.1 On AIX 7.1
Storage Foundation Cluster File System 6.0.1 On AIX 6.1
Storage Foundation Cluster File System 6.0.1 On AIX 7.1
Storage Foundation for Oracle RAC 6.0.1 On AIX 6.1
Storage Foundation for Oracle RAC 6.0.1 On AIX 7.1
Storage Foundation HA 6.0.1 On AIX 6.1
Storage Foundation HA 6.0.1 On AIX 7.1

 Obsolete patches, incompatibilities, superseded patches, or other requirements:

This patch is obsolete. It is superseded by: Release date
sfha-aix-6.0.3 (obsolete) 2013-01-31

 Fixes the following incidents:
2912412, 2912435, 2923805

 Patch ID:
VRTSvxfs-06.00.0100.0200

 Readme file  [Save As...]
                          * * * READ ME * * *
                 * * * Veritas File System 6.0.1 * * *
                      * * * Public Hot Fix 2 * * *
                         Patch Date: 2012-09-18


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 File System 6.0.1 Public Hot Fix 2


OPERATING SYSTEMS SUPPORTED BY THE PATCH
----------------------------------------
AIX 6.1
AIX 7.1


PACKAGES AFFECTED BY THE PATCH
------------------------------
VRTSvxfs


BASE PRODUCT VERSIONS FOR THE PATCH
-----------------------------------
   * Veritas Storage Foundation for Oracle RAC 6.0.1
   * Veritas Storage Foundation Cluster File System 6.0.1
   * Veritas Storage Foundation 6.0.1
   * Veritas Storage Foundation High Availability 6.0.1


SUMMARY OF INCIDENTS FIXED BY THE PATCH
---------------------------------------
Patch ID: 6.0.100.200
* 2912412 (2857629) File system corruption can occur requiring a full fsck of the 
system.
* 2912435 (2885592) vxdump to the vxcompress file system is aborted
* 2923805 (2590918) Delay in freeing unshared extents upon primary switch over.


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

Patch ID: 6.0.100.200

* 2912412 (Tracking ID: 2857629)

SYMPTOM:
When a new node takes over a primary for the file system, it could 
process stale shared extent records in a per node queue.  The primary will 
detect a bad record and set the full fsck flag.  It will also disable the file 
system to prevent further corruption.

DESCRIPTION:
Every node in the cluster that adds or removes references to shared extents, 
adds the shared extent records to a per node queue.  The primary node in the 
cluster processes the records in the per node queues and maintains reference 
counts in a global shared extent device.  In certain cases the primary node 
might process bad or stale records in the per node queue.  Two situations under 
which bad or stale records could be processed are:
    1. clone creation initiated from a secondary node immediately after primary 
migration to different node.
    2. queue wraparound on any node and take over of primary by new node 
immediately afterwards.
Full fsck might not be able to rectify the file system corruption.

RESOLUTION:
Update the per node shared extent queue head and tail pointers to correct values 
on primary before starting processing of shared extent records.

* 2912435 (Tracking ID: 2885592)

SYMPTOM:
vxdump of a file system which is compressed using vxcompress is aborted.

DESCRIPTION:
vxdump is aborted due to malloc() failure. malloc()fails due to a 
memory leak in vxdump command code while handling compressed extents.

RESOLUTION:
Fixed the memory leak.

* 2923805 (Tracking ID: 2590918)

SYMPTOM:
Upon new node in the cluster taking over as primary of the file system, 
there might be a significant delay in freeing up unshared extents.  This problem 
can occur only in the case when shared extent addition or deletions occurred 
immediately after primary switch over to different node in the cluster.

DESCRIPTION:
When a new node in the cluster takes over as primary for the file 
system, a file system thread in the new primary performs a full scan of the 
shared extent device file to free up any shared extents that have become 
completely unshared.  If heavy shared extent related activity such as additional 
sharing or unsharing of extents were to occur anywhere in the cluster while the 
full scan was being performed, the full scan could get interrupted.  Due to a 
bug, the full scan is marked as completed and scheduled further scans of the 
shared extent device are partial scans.  This will cause a substantial delay in 
freeing up some of the unshared extents in the device file.

RESOLUTION:
If the first full scan of shared extent device upon primary takeover 
gets interrupted, then do not mark the full scan as complete.



INSTALLING THE PATCH
--------------------
If the currently installed VRTSvxfs is below 6.0.100.000, you must 
    upgrade VRTSvxfs to 6.0.100.000 level before installing this patch.

    AIX maintenance levels and APARs can be downloaded from the
    IBM Web site:

        http://techsupport.services.ibm.com

    Install the VRTSvxfs.bff patch if VRTSvxfs is already installed 
    at fileset level 6.0.100.000
    A system reboot is required after installing this patch.

    The VRTSvxfs.bff patch may be installed either manually (see below) 
    or using the included installer.

 *  To apply patch using the installer, enter these commands:

        # cd <hotfix_location> && ./installFS601P2 

 *  To apply the patch manually, first unmount all VxFS file systems,
    then enter these commands:

        # mount | grep vxfs             # STOP if this produces output
        # cd <hotfix_location>/patches  
        # installp -aXd VRTSvxfs.bff VRTSvxfs
        # reboot


REMOVING THE PATCH
------------------
A system reboot is required after removing this patch.

    The VRTSvxfs.bff patch may be removed either manually (see below) 
    or using the uninstall script created during installation.

 *  To remove patch using the uninstall script, enter these commands:

        # cd /opt/VRTS/install && ./uninstallFS601P2

 *  To remove the patch manually, first unmount all VxFS file systems, 
    then enter these commands:

        # mount | grep vxfs             # STOP if this produces output
        # installp -r VRTSvxfs
        # reboot


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


OTHERS
------
NONE



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