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Content starts here
OpenVMS VMS73_SHADOWING-v0300 ALPHA V7.3 SHADOWING ECO Summary
TITLE: OpenVMS VMS73_SHADOWING-v0300 ALPHA V7.3 SHADOWING ECO Summary
 
NOTE:  An OpenVMS saveset or PCSI installation file is stored
       on the Internet in a self-expanding compressed file.
 
       For OpenVMS savesets, the name of the compressed saveset
       file will be kit_name.a-dcx_vaxexe for OpenVMS VAX or
       kit_name.a-dcx_axpexe for OpenVMS Alpha. Once the OpenVMS
       saveset is copied to your system, expand the compressed
       saveset by typing RUN kitname.dcx_vaxexe or kitname.dcx_alpexe.
 
       For PCSI files, once the PCSI file is copied to your system,
       rename the PCSI file to kitname.pcsi-dcx_axpexe or
       kitname.pcsi-dcx_vaxexe, then it can be expanded by typing
       RUN kitname.pcsi-dcx_axpexe or kitname.pcsi-dcx_vaxexe.  The
       resultant file will be the PCSI installation file which can be
       used to install the ECO.
 

 


New Kit Date:       23-SEP-2003
Modification Date:  None
Modification Type:  NEW KIT
 
Copyright (c) Compaq Computer Corporation 2001, 2002.  All rights reserved.

OP/SYS:     OpenVMS Alpha

COMPONENT:  Volume Shadowing

SOURCE:     Compaq Computer Corporation

ECO INFORMATION:

     ECO Kit Name:  VMS73_SHADOWING-v0300
                    DEC-AXPVMS-VMS73_SHADOWING-v0300--4.PCSI
     ECO Kits Superseded by This ECO Kit: None
     ECO Kit Approximate Size:  2096 Blocks
     Kit Applies To:  OpenVMS Alpha V7.3
     System/Cluster Reboot Necessary:  Yes
     Rolling Re-boot Supported:  Yes
     Installation Rating:  INSTALL_2
                           To be installed by all customers using the following feature(s):

      -  SHADOWING

     This installation rating, based upon current  CLD  information,  is
     provided  to  serve as a guide to which customers should apply this
     remedial kit.   (Reference  attached  Disclaimer  of  Warranty  and
     Limitation of Liability Statement)


     Kit Dependencies:

       The following remedial kit(s), or later, must be installed BEFORE
       installation of this , or any required kit:

        VMS73_PCSI-V0100
 
	VMS73_UPDATE-V0200

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

         None


FILES PATCHED OR REPLACED:


      o  [SYSEXE]SHADOW_SERVER.EXE (new image)

         Image Identification Information

         image name: "SHADOW_SERVER"
         image file identification:  "X-13"
         image file build identification:  "X9UH-0060010021"
         link date/time:  4-AUG-2003 15:22:15.04
         linker identification:  "A11-50"


      o  [SYS$LDR]SYS$SHDRIVER.EXE (new image)

         Image Identification Information

         image name: "SYS$SHDRIVER"
         image file identification:  "X-3"
         image file build identification:  "X9UH-0060010021"
         link date/time:  4-AUG-2003 15:22:27.66
         linker identification:  "A11-50"




PROBLEMS ADDRESSED IN THIS KIT

New problems addressed in the VMS73_SHADOWING-V0300 kit



     o  System hang during the mounting of a shadowset.

               
               During the mounting of a shadowset, a series of protocols
               can collide such that a thread is left waiting to be
               resumed and there is no thread to resume it.  This can
               result in a system hang.

               Images Affected:[SYS$LDR]SYS$SHDRIVER.EXE





                    


     o  Multi-site cluster shadowset member is returned to  the
        shadwoset incorrectly

               
               In a multisite cluster with all timeouts set to the
               maximum, a shadowset member is returned to the shadwoset
               incorrectly.  Manual removal of a member from one site,
               followed by manual aborting of the virtual unit at a
               second site, allowed a third site to return the member to
               the shadowset without either a copy or a merge.

               Images Affected:[SYS$LDR]SYS$SHDRIVER.EXE





                    
     o  Ensure shadow copies handle bad blocks correctly

               If a bad block is detected on the source disk during a
               full copy operation, the copy will abort with the
               following OPCOM message :

               %%%%%%%%%%%  OPCOM  10-MAY-2002 09:41:23.94  %%%%%%%%%%%
               (from node UKVMS3 at 10-MAY-2002 09:41:22.46)
               Message from user SYSTEM on UKVMS3
               %SHADOW_SERVER-E-SSRVTRMSTS, reason for termination

               of operation on device  _DSA1: IVADDR, invalid media
               address

               The virtual unit will look like this afterwards:

     Device               Device          Error    Volume    Free   Trans Mnt
     Name                Status          Count     Label   Blocks  Count Cnt
     DSA1:                Mounted           0  ALPHAE731_CD 15330438  1    1
     $7$DKA100:(UKVMS3)  ShadowSetMember    2  (member of DSA1:)
     $7$DKA1000:(UKVMS3) ShadowCopying      0  (copy trgt DSA1:11% copied)

               Note that the virtual unit will still be accessible in
               this state.

               Images Affected:[SYS$LDR]SYS$SHDRIVER.EXE





                    

     o  Shadowset Aborts after node is shutdown

               
               Shadowsets on the remaining node of a multi-site cluster
               abort after the serving node of one member is shutdown.

               Images Affected:[SYS$LDR]SYS$SHDRIVER.EXE





                    
     o  Host Based Volume Shadowing (HBVS) Mini Copy Problem

               When using HBVS, if Mini Copy is used to return a former
               Shadow Set Member (SSM) to a virtual unit, and that SSM
               is removed from the shadow set before the copy can
               complete, the user must execute the following commands
               before adding that SSM is added back into the shadow set:

                 $ SHOW DEVICE/BITMAP/FULL DSAnnnn:
                 $ DELETE /BITMAP x

               "DSAnnnn:" is the virtual unit and "x" is the BitMap ID
               displayed by the SHOW DEVICE/BITMAP/FULL command.  If
               multiple BitMap IDs are displayed, delete the one that
               has the SSM in the Bitmap Name portion of the display.
               If these steps are not taken, data integrity could be
               affected.

               Images Affected:[SYS$LDR]SYS$SHDRIVER.EXE





                    
     o  Repair read bias calculation for multipath devices

               The read performance for a multiple member shadow set,
               that has multipath enabled members, has been using only
               the primary UCB, not the current UCB.

               Images Affected:[SYS$LDR]SYS$SHDRIVER.EXE



     o  Default read cost for locally remote device set to high

               Default read cost for locally remote device is set to
               high

               Images Affected:[SYS$LDR]SYS$SHDRIVER.EXE



     o  INVEXCPTN Crash during shadow copy

               When doing a controller assisted copy, available with HSC
               and HSJ controllers, if the source member gets an error
               an incorrect index is set up that results in a crash.

               Crashdump Summary Information:
               ------------------------------
               Bugcheck Type:     INVEXCEPTN, Exception while
                                  above ASTDEL
               Current Process:   NULL
               Current Image:     
               Failing PC:        FFFFFFFF 80268D60
               Failing PS:        30000000 00000804
               Module:            SYS$SHDRIVER
               Offset:            0004AD60

                       :
               Exception Frame:
               R2  = FFFFFFFF 837A6380   R3  = 00000000 00000000
               R4  = FFFFFFFF 839CB3C0   R5  = FFFFFFFF 83689D80
               R6  = FFFFFFFF 839CB680   R7  = 00000000 00000000
               PC  = FFFFFFFF 80268D60   PS  = 30000000 00000804

               Images Affected:[SYS$LDR]SYS$SHDRIVER.EXE


                   
INSTALLATION INSTRUCTIONS:

Installation Command

     Install this kit with the POLYCENTER Software installation utility
     by logging into the SYSTEM account, and typing the following at the
     DCL prompt:

     PRODUCT INSTALL VMS73_SHADOWING /SOURCE=[location of Kit]

     The kit location may be a tape drive, CD, or a disk directory that
     contains the kit.

     Additional help on installing PCSI kits can be found by typing
     HELP PRODUCT INSTALL at the system prompt



Scripting of Answers to Installation Questions

     During installation, this kit will ask and require user response to
     several questions.  If you wish to automate the installation of
     this kit and avoid having to provide responses to these questions,
     you must create a DCL command procedure that includes the following
     definitions and commands:

      -  $ DEFINE/SYS NO_ASK$BACKUP TRUE

      -  $ DEFINE/SYS NO_ASK$REBOOT TRUE

      -  Add the following qualifiers to the PRODUCT INSTALL command and
         add that command to the DCL procedure.

           /PROD=DEC/BASE=AXPVMS/VER=V3.0


      -  De-assign the logicals assigned

     For example, a sample command file to install the VMS73_SHADOWING
     kit would be:

     $
     $ DEFINE/SYS NO_ASK$BACKUP TRUE
     $ DEFINE/SYS NO_ASK$REBOOT TRUE
     $!
     $ PROD INSTALL VMS73_SHADOWING/PROD=DEC/BASE=AXPVMS/VER=V3.0


     $!
     $ DEASSIGN/SYS NO_ASK$BACKUP
     $ DEASSIGN/SYS NO_ASK$REBOOT
     $!
     $ exit



COPYRIGHT AND DISCLAIMER:

     (C) Copyright 2003 Hewlett-Packard Development Company, L.P.

     Confidential computer software.  Valid license from HP  and/or  its
     subsidiaries required for possession, use, or copying.

     Consistent  with  FAR  12.211  and  12.212,   Commercial   Computer
     Software,  Computer  Software Documentation, and Technical Data for
     Commercial  Items  are  licensed  to  the  U.S.   Government  under
     vendor's standard commercial license.

     Neither HP  nor  any  of  its  subsidiaries  shall  be  liable  for
     technical  or  editorial errors or omissions contained herein.  The
     information in this document is provided "as is"  without  warranty
     of  any  kind  and  is  subject  to  change  without  notice.   The
     warranties for HP products are set forth  in  the  express  limited
     warranty  statements  accompanying  such  products.  Nothing herein
     should be construed as constituting an additional warranty.

     DISCLAIMER OF WARRANTY AND LIMITATION OF LIABILITY

     THIS PATCH IS PROVIDED AS IS, WITHOUT WARRANTY OF  ANY  KIND.   ALL
     EXPRESS  OR  IMPLIED  CONDITIONS,  REPRESENTATIONS  AND WARRANTIES,
     INCLUDING ANY IMPLIED  WARRANTY  OF  MERCHANTABILITY,  FITNESS  FOR
     PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED TO THE
     EXTENT PERMITTED BY APPLICABLE LAW.  IN NO  EVENT  WILL  COMPAQ  BE
     LIABLE  FOR  ANY  LOST REVENUE OR PROFIT, OR FOR SPECIAL, INDIRECT,
     CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER  CAUSED  AND
     REGARDLESS  OF  THE  THEORY OF LIABILITY, WITH RESPECT TO ANY PATCH
     MADE AVAILABLE HERE OR TO THE USE OF SUCH PATCH.

All trademarks are the property of their respective owners.
Files on this server are as follows:
»dec-axpvms-vms73_shadowing-v0300--4.README
»dec-axpvms-vms73_shadowing-v0300--4.CHKSUM
»dec-axpvms-vms73_shadowing-v0300--4.pcsi-dcx_axpexe
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