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<TITLE>
TITLE: HP Tru64 UNIX - Version 5.1B-4: Potential Erroneous Handling of Failed Disk I/O
Copyright (c) Hewlett-Packard Company 2008. All rights reserved.
PRODUCT: HP Tru64 UNIX [R] V5.1B-4
SOURCE: Hewlett-Packard Company
ECO INFORMATION:
ECO Name: T64KIT1001509-V51BB27-E-20080611
ECO Kit Approximate Size: 4.83MB
Kit Applies To: HP Tru64 UNIX V5.1B-4 PK6 (BL27)
ECO Kit CHECKSUMS:
/usr/bin/sum results:
28979 4950
/usr/bin/cksum results:
822609703 5068800
MD5 results:
91c10ccb056e71138d27ee387326327d
SHA1 results:
347ba0a941449904a6e81b1f822b860c50b9c17b
ECO KIT SUMMARY:
A dupatch-based, Early Release Patch kit exists for HP Tru64 UNIX V5.1B-4
that contains solutions to the following problem(s):
Under the certain rare circumstances in HP Tru64 UNIX v 5.1B-4, a failed
disk I/O can be returned to the caller with success status. The erroneous
return occurs only when all three of the following circumstances take
place:
The I/O is a disk write, and
The I/O is being retried within the bad block replacement code, and
The I/O was returned from storage with a HARDWARE ERROR (4h) sense key
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 - HP Tru64 UNIX V5.1B-5.
INSTALLATION NOTES:
1) 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.
2) The patch in this ERP kit does not have any file intersections with any
other ERP available at this time for this product version.
3) This ERP kit will NOT install over any Customer Specific Patches (CSPs)
which have file intersections with this ERP kit. Contact your normal
Service Provider for assistance if the installation of this ERP kit is
blocked by any of your installed CSPs.
INSTALLATION PREREQUISITES:
You must have installed HP Tru64 UNIX V5.1B-4 PK6 (BL27) prior to
installing this Early Release Patch Kit.
SUPERSEDE INFORMATION:
None
KNOWN PROBLEMS WITH THE PATCH KIT:
None.
RELEASE NOTES FOR T64KIT1001509-V51BB27-E-20080611:
Release Notes
This document summarizes the contents and special instructions for the
Tru64 UNIX V5.1B patches contained in this kit.
For information about installing or removing patches, baselining,
and general patch management, see the Patch Kit Installation
Instructions document.
1 Release Notes
This Early Release Patch Kit Distribution contains:
- fixes that resolve the problem(s) reported in:
o QXCM1000815111
* for Tru64 UNIX V5.1B T64V51BB27AS0006-20061208.tar (BL27)
This kit includes a patch which requires system reboot.
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
SPECIAL INSTRUCTIONS for Tru64 UNIX V5.1B Patch C2301.00
3 Summary of CSPatches contained in this kit
Tru64 UNIX V5.1B
PatchId Summary Of Fix
----------------------------------------
C2301.00 Fix for handling failed IO during BBR.
4 Additional information from Engineering
None
5 Affected system files
This patch delivers the following files:
Tru64 UNIX V5.1B
Patch C2301.00
./sys/BINARY/cam_disk.mod
CHECKSUM: 29707 590
SUBSET: OSFHWBIN540
[R] UNIX is a registered trademark in the United States and other countries
licensed exclusively through X/Open Company Limited.
Copyright Hewlett-Packard Company 2008. All Rights reserved.
This software is proprietary to and embodies the confidential technology
of Hewlett-Packard Company. Possession, use, or copying of this
software and media is authorized only pursuant to a valid written license
from Hewlett-Packard or an authorized sublicensor.
This ECO has not been through an exhaustive field test process.
Due to the experimental stage of this ECO/workaround, Hewlett-Packard
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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