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OpenVMS VAXMTAA01_071 MTAAACP for OpenVMS VAX V7.1 ECO Summary
TITLE: OpenVMS VAXMTAA01_071 MTAAACP for OpenVMS VAX V7.1 ECO Summary
 
NOTE:  An OpenVMS saveset or PCSI installation file is stored
       on the Internet in a self-expanding compressed file.
       The name of the compressed file will be kit_name-dcx_vaxexe
       for OpenVMS VAX or kit_name-dcx_axpexe for OpenVMS Alpha.
 
       Once the file is copied to your system, it can be expanded
       by typing RUN compressed_file.  The resultant file will
       be the OpenVMS saveset or PCSI installation file which
       can be used to install the ECO.
 
Copyright (c) Compaq Computer Corporation 1998.  All rights reserved.


NOTE: The documentation for this kit calls out a dependency on the            
      VAXMOUN04_071 remedial kit.  This MOUNT kit is not currently            
      available but will be available at a future date.          


Modification Date:  30-NOV-1998 
Modification Type:  New ECO kit


OP/SYS:     OpenVMS VAX

COMPONENT:  MTAAACP   MTAAACP.EXE

SOURCE:     Compaq Computer Corporation

ECO INFORMATION:

     ECO Kit Name:  VAXMTAA01_071
     ECO Kits Superseded by This ECO Kit:  None
     ECO Kit Approximate Size:  162 Blocks

     Kit Applies To:  OpenVMS VAX V7.1
     System/Cluster Reboot Necessary:  No
     Rolling Re-boot Supported:  N/A
     Installation Rating:   INSTALL_3
                            3 - To be installed on all systems running
                                the listed versions of OpenVMS which
                                are experiencing the problems described.

     Kit Dependencies:

       The following remedial kit(s) must be installed BEFORE
       installation of this kit:

         VAXY2K01_071

       In order to receive all the corrections listed in this
       kit, the following remedial kits should also be installed:

         VAXSYSA02_071
         VAXBACK03_071
         VAXDISM01_071
         VAXINIT01_071
         VAXMOUN04_071


ECO KIT SUMMARY:

An ECO kit exists for MTAAACP on OpenVMS VAX 7.1. This kit addresses 
the following problems:  

Problems Addressed in VAXMTAA01_071:

  o   A possible system crash occurs during Host Based  RAID  Unbinds 
      with  MME code enabled.  A mailbox read synchronization problem   
      causes the crash.                                                 
                                                                     
      This problem only occurs when a host-based RAID UNBIND  command   
      is done while an MME-based application is running.                
                                                                     
      This problem may occur in several different code areas  of  the   
      operating   system.   In  order  to  get  eliminate  all  known   
      instances of this problem,  the  following  remedial  kits  (or   
      their supersedants) will also need to be installed:               
                                                                     
      VAXSYSA02_071                                                     
      VAXBACK03_071                                                     
      VAXDISM01_071                                                     
      VAXINIT01_071                                                     
      VAXMOUN04_071                                                     
                                                                     
                                                                     
   o  A process using MME could potentially "miss" the VOL1 label  on   
      a  tape.  Also, a process could "hang" trying to send a message   
      to the MME process.                                               



INSTALLATION NOTES:

The system does not need to be rebooted after this kit is installed.
However, if the system is a member of a VMScluster, the other cluster
members should be rebooted or this kit should be installed on each 
system in order to make use of the new image(s). 
Files on this server are as follows:
»vaxmtaa01_071.README
»vaxmtaa01_071.CHKSUM
»vaxmtaa01_071.CVRLET_TXT
»vaxmtaa01_071.a-dcx_vaxexe
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