*******************************************************************************
* *
* This is an update to an existing patch... *
* *
* Online links can be found at *
* http://ftp.support.compaq.com/patches/public/vms/axp/v7.2-1/dec-axpvms-vms721_fibre_scsi-v0500--4.README
*******************************************************************************

TITLE: OpenVMS VMS721_FIBRE_SCSI-V0500 Alpha V7.2-1 FibreChannel/SCSI 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-dcx_axpexe.pcsi, then it can
       be expanded by typing RUN kitname-dcx_axpexe.pcsi. The resultant
       file will be the PCSI installation file which can be used to install
       the ECO.
 

 
Copyright (c) Compaq Computer Corporation 2000, 2001. All rights reserved.

New Kit Date: 31-OCT-2001
Modification Date: 16-APR-2002
Modification Type: Note added about kit installation.

OP/SYS: OpenVMS Alpha

COMPONENT: FibreChannel
            SCSI Drivers

SOURCE: Compaq Computer Corporation

ECO INFORMATION:

     ECO Kit Name: VMS721_FIBRE_SCSI-V0500
                     DEC-AXPVMS-VMS721_FIBRE_SCSI-V0500--4.PCSI
     ECO Kits Superseded by This ECO Kit: None
     ECO Kit Approximate Size: 4608 Blocks
     Kit Applies To: OpenVMS Alpha V7.2-1
     System/Cluster Reboot Necessary: Yes
     Rolling Re-boot Supported: Yes
     Installation Rating: INSTALL_1
                           To be installed by all customers.

     Kit Dependencies:

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

          VMS721_PCSI-V0100
          VMS721_UPDATE-V0300
          
       In order to receive all the corrections listed in this
       kit, the following remedial kits, or later, should also be installed:

         VMS721_SYS-V1100
         VMS721_MOUNT96-V0300

ECO KIT SUMMARY:

An ECO kit exists for FibreChannel and SCSI Drivers on OpenVMS Alpha
V7.2-1. This kit addresses the following problems:

PROBLEMS ADDRESSED IN VMS721_FIBRE_SCSI-V0500 KIT:

  o If an MCR SYMAN IO AUTO command is issued to hot add/ swap
     SCSI targets, there is a possibility that a system can
     experience a hang.

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

  o A system can experience excessive SCSI bus resets due to
     un-synchronized access to device registers.

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

  o Tape Density values are not stored correctly. This causes
     third party tape applications, such as Oracle's RMU backup
     utility, to fail when performing multi-volume tape backup and
     other operations which require the tape density to be stored
     correctly.

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

  o The system can hang due to IO's Timing Out, and the driver not
     re-trying the IO command. The IO timeout can be detected
     through the error log.

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

  o On OpenVMS Alpha clusters sharing a SCSI bus and attached to
     the bus with KZPBA SCSI controllers, disks may not come out of
     Mount Verify.

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

  o When performing multi-volume Backup (and various other Backup
     operations involving label processing) with generic SCSI
     tapes, compaction status gets turned off.

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

  o Odd byte records read from tape to a memory buffer larger than
     the tape record results in one extra byte of data.

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

  o When an HSZ/HSG device reports mirror copy status events, the
     ERRCNT of the device is incremented. This gives the false
     impression that there is a problem with the device(s).

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

  o In a multiprocessor environment, exception conditions (such as
     AUTOGEN, disk errors, power glitches, etc.) cause the
     PKWDRIVER, the hardware interface, and the script code to
     become un-synchronized relative to each other. This lack of
     synchronization can cause excessive bus resets, mount verify
     timeouts, command timeouts, I/O system hangs, system crashes
     and/or file corruption. The most obvious problem is the
     occurrence of SCSI bus resets. These can be seen with a "SHOW
     ERROR" command and will be in the error log.

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

  o Tape drive performance degrades significantly after a tape
     error.

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

  o If a disk is mounted software write protected, when the disk
     enters and completes mount verification, the disk is software
     write enabled.

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

  o A system can crash with an INVEXCEPTN, Exception while above
     ASTDEL bugcheck.

     Crashdump Summary Information:
     ------------------------------
     Bugcheck Type: INVEXCEPTN, Exception while above ASTDEL
     Current Process: NULL
     Current Image: <not available>
     Failing PC: FFFFFFFF.802FB820 SCS$POLL_MODE_C+00460
     Failing PS: 1C000000.00000804
     Module: SYS$SCS (Link Date/Time:
                        9-DEC-2000 00:44:16.18)
     Offset: 00005820

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

  o A system can experience CPUSPINWAIT Crashes. See Crash dump
     summary below.

     Crashdump Summary Information:
     ------------------------------
     Bugcheck Type: CPUSPINWAIT, CPU spinwait timer
                        expired
     Current Process: NULL
     Current Image: <not available>
     Failing PC: FFFFFFFF.80088384
                        SMP$TIMEOUT_C+00064
     Failing PS: 18000000.00000804
     Module: SYSTEM_SYNCHRONIZATION_MIN
                        (Link Date/Time: 26-MAY-2001 22:21:11.81)
     Offset: 00000384

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

  o For 8MM tapes (for example Exabyte, TZK15), a COPY command to
     a freshly initialized tape results in a fatal drive error
     whenever the COPY command is issued on a TMSCP client node.
     The error log will show that an Illegal Request has been sent
     to the drive.

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

  o Mounting CDs in the Yamaha CD-Writer CRW8424S results in a
     '%MOUNT-F-FORMAT, invalid media format' error message.

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

  o When booting, a shadowed system disk can hang the cluster.

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

INSTALLATION NOTES:

*******************************************************************
* NOTE *
* During kit installation, the SMI$OBJSHR.EXE image is installed *
* in the SYS$COMMON:[SYS$LDR] directory. After kit installation *
* completes but before rebooting the system, you must rename the *
* SMI$OBJSHR.EXE image to the SYS$COMMON:[SYSLIB] directory. *
* *
*******************************************************************

This kit requires a system reboot. Compaq strongly recommends that
a reboot is performed immediately after kit installation to avoid
system instability

If you have other nodes in your OpenVMS cluster, they must also be
rebooted in order to make use of the new image(s). If it is not
possible or convenient to reboot the entire cluster at this time, a
rolling re-boot may be performed.

INSTALLATION INSTRUCTION:

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 VMS721_FIBRE_SCSI /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

SPECIAL INSTALLATION INSTRUCTIONS:

  o 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:

       1. Define logical NO_ASK$BACKUP as TRUE

       2. Define logical NO_ASK$REBOOT as TRUE

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

           /PROD=DEC/BASE=AXPVMS/VER=V5.0

       4. De-assign the logicals assigned

     For example, a sample command file to install the
     VMS721_FIBRE_SCSI-V0500 kit would be:

          $ DEFINE/SYS NO_ASK$BACKUP TRUE
          $ DEFINE/SYS NO_ASK$REBOOT TRUE
          $!
          $ PROD INSTALL VMS721_FIBRE_SCSI/PROD=DEC/BASE=AXPVMS/VER=V5.0
          $!
          $ DEASSIGN/SYS NO_ASK$BACKUP
          $ DEASSIGN/SYS NO_ASK$REBOOT
          $ exit

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