TITLE: HP Tru64 UNIX - 5.1B Patch for "CPU hung in drd_reopen_partitions" has been released Copyright (c) Hewlett-Packard Company 2006. All rights reserved. PRODUCT: HP TruCluster Server [R] V5.1B-3 SOURCE: Hewlett-Packard Company ECO INFORMATION: ECO Name: TCRKIT1000547-V51BB26-E-20060420 ECO Kit Approximate Size: 3.12MB Kit Applies To: HP TruCluster Server V5.1B-3 PK5 (BL26) ECO Kit CHECKSUMS: /usr/bin/sum results: 32319 3190 /usr/bin/cksum results: 187055606 3266560 MD5 results: 4d33f0de6e8a775659f6fc59cd1eb7e3 SHA1 results: bde081b4966c72cc3e6ebcb4bd61c8bba23b0ae0 ECO KIT SUMMARY: A dupatch-based, Early Release Patch kit exists for HP TruCluster Server V5.1B-3 that contains solutions to the following problem(s): Code introduced in Tru64 UNIX V5.1B-3 may cause a CPU hang due to a hung "drd_event_thread" in "drd_reopen_partitions". The drd_thread sometimes gets into infinte loop when any one of several DRD blocking flags is set. This happens when the disk is in I/O DRAINED state. 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 TruCluster Server V5.1B-4. 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 TruCluster Server V5.1B-3 PK5 (BL26) prior to installing this Early Release Patch Kit. SUPERSEDE INFORMATION: None KNOWN PROBLEMS WITH THE PATCH KIT: None. RELEASE NOTES FOR TCRKIT1000547-V51BB26-E-20060420: Release Notes This document summarizes the contents and special instructions for the TruCluster Server 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 19212 * for TruCluster Server V5.1B T64V51BB26AS0005-20050502.tar (BL26) 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 > > tar -xpvf DUV40D13-C0044900-1285-20000328.tar > cd patch_kit > ./dupatch 2 Special Instructions SPECIAL INSTRUCTIONS for TruCluster Server V5.1B Patch C349.02 3 Summary of CSPatches contained in this kit TruCluster Server V5.1B PatchId Summary Of Fix ---------------------------------------- C349.02 Fix a CPU hung problem in drd_reopen_partitions 4 Additional information from Engineering None 5 Affected system files This patch delivers the following files: TruCluster Server V5.1B Patch C349.02 ./usr/opt/TruCluster/sys/drd.mod CHECKSUM: 30847 872 SUBSET: TCRBASE540 [R] UNIX is a registered trademark in the United States and other countries licensed exclusively through X/Open Company Limited. Copyright Hewlett-Packard Company 2006. 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.