*******************************************************************************
* *
* This is an update to an existing patch... *
* *
* Online links can be found at *
* http://ftp.support.compaq.com/patches/public/unix/v5.1a/tcv51abssb-c0000901-13435-e-20020228.README
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TITLE: Tru64 UNIX 5.1A ERP for Stale CFS data and AdvFS v3 domain errors
 
Copyright (c) Compaq Computer Corporation 2002. All rights reserved.

PRODUCT: Tru64 UNIX [R] 5.1A
SOURCE: Compaq Computer Corporation

ECO INFORMATION:

     ECO Name: TCV51ABssb-C0000901-13435-E-20020228
     ECO Kit Approximate Size: 5.5MB
     Kit Applies To: Tru64 UNIX 5.1A with No Patch Kits Applied

     ECO Kit CHECKSUMS:
        /usr/bin/sum results:
        44283 5340

        /usr/bin/cksum results:
        1953083994 5468160

        MD5 results:
        09345a355cbc1cead5344ba886829b8b

        SHA1 results:
        6a9326f4d054f391bc838bfe1ae89ef6a3706442

ECO KIT SUMMARY:

A dupatch-based, Early Release Patch kit exists for Tru64 UNIX 5.1A that
contains solutions to the following problems:

   1) Potential data inconsistency that may occur when a Cluster
      File System (CFS) client reads a file that was recently
      written to. Stale data may be returned to the client.

   2) Multi-volume AdvFS v3 domains exhibit EIO errors not
      attributable to hardware.

More information can be found in the service notification titled "Tru64
UNIX Stale CFS data and AdvFS v3 domain errors" available from the Compaq
Support Reference Library for Tru64 UNIX.

The Patch Kit Installation Instructions and the Patch Summary and Release
Notes documents provide patch kit installation and removal instructions
and a summary of each patch. Please read these documents prior to
installing patches on your system.

The patches in this ERP kit will also be available in the next mainstream
patch kit - Tru64 UNIX 5.1A Patch Kit 2.

        
INSTALLATION NOTES:

Install this kit with the dupatch utility that is included in the patch
kit. You may need to baseline your system if you have manually changed
system files on your system. The dupatch utility provides the baselining
capability.

INSTALLATION PREREQUISITES:

You must have installed Tru64 UNIX 5.1A with No Patch Kits Applied prior to
installing this Early Release Patch Kit.

KNOWN PROBLEMS WITH THE PATCH KIT:

None.

RELEASE NOTES FOR TCV51ABssb-C0000901-13435-E-20020228:

1 Release Notes

This Early Release Patch Kit Distribution contains:

   - fixes that resolve the problem(s) reported in:
        o IHB_0001 IHB_0003

 The patches in this kit are being released early for general customer use.
 Refer to the Release Notes for a summary of each patch and installation
 prerequisites.

 Patches in this kit are installed by running dupatch from the directory
 in which the kit was untarred. For example, as root on the target system:

> mkdir -p /tmp/CSPkit1
> cd /tmp/CSPkit1
> <copy the kit to /tmp/CSPkit1>
> tar -xpvf DUV40D13-C0044900-1285-20000328.tar
> cd patch_kit
> ./dupatch

2 Special Instructions

There are no special instructions for TruCluster Server V5.1A Patch C9.01
There are no special instructions for Tru64 UNIX V5.1A Patch C91.02

3 Summary of CSPatches contained in this kit

TruCluster Server V5.1A

PatchId Summary Of Fix
----------------------------------------
C9.01 Fix advfs possible stale data

Tru64 UNIX V5.1A

PatchId Summary Of Fix
----------------------------------------
C91.02 Fix advfs possible stale data and v3 domain errors

4 Additional information from Engineering

None

5 Affected system files
This patch delivers the following files:

TruCluster Server V5.1A
        Patch C9.01
                ./usr/opt/TruCluster/sys/cfs.mod
                        CHECKSUM: 12396 1368
                        SUBSET: TCRBASE520
                ./usr/opt/TruCluster/sys/clubase.mod
                        CHECKSUM: 08450 759
                        SUBSET: TCRBASE520
                ./usr/opt/TruCluster/sys/cms.mod
                        CHECKSUM: 12082 797
                        SUBSET: TCRBASE520
                ./usr/opt/TruCluster/sys/token.mod
                        CHECKSUM: 64533 623
                        SUBSET: TCRBASE520
Tru64 UNIX V5.1A
        Patch C91.02
                ./sys/BINARY/advfs.mod
                        CHECKSUM: 60453 1271
                        SUBSET: OSFADVFSBIN520

[R] UNIX is a registered trademark in the United States and other countries
licensed exclusively through X/Open Company Limited.

Copyright Compaq Computer Corporation 2002. All Rights reserved.

  This software is proprietary to and embodies the confidential technology
  of Compaq Computer Corporation. Possession, use, or copying of this
  software and media is authorized only pursuant to a valid written license
  from Compaq or an authorized sublicensor.

       This ECO has not been through an exhaustive field test process.
       Due to the experimental stage of this ECO/workaround, Compaq
       makes no representations regarding its use or performance. The
       customer shall have the sole responsibility for adequate protection
       and back-up data used in conjunction with this ECO/workaround.

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