IBM Support

IT03879: I/O ERROR ANR8302E WITH KEY/ASC/ASCQ = 06/2A/03 "RESERVATION PREEMPTED" USING THE IBM DEVICE DRIVER

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APAR status

  • Closed as program error.

Error description

  • A Tivoli Storage Manager server tape operation may fail with
    I/O error ANR8302E, specifically with the I/O codes
     KEY=6, ASC=2A, ASCQ=03
    
    This problem may happen if the following conditions are true:
    
     - Library sharing environment with multiple Tivoli Storage
       Manager servers installed on the same host machine(s) or
       the same LPAR(s).
     - IBM library(ies) is used with IBM tape device driver.
     - Persistent reservation type is used like recommended in the
       Tivoli Storage Manager manual.
     - Several Tivoli Storage Manager servers ( library manager
       and/or library client servers ) are running on the same host
       and use the same HBA port to access the shared library
    drives.
    
    Customer/L2 Diagnostics:
    The following error will be seen in the server actlog:
    
    ANR8302E I/O error on drive DRV01 (/dev/rmt101a) with volume
      VOL001 (OP=WRITE, Error Number=16, CC=0, rc = 5, KEY= 06,
      ASC=2A, ASCQ=03,~
    SENSE=71.00.06.00.00.00.00.58.00.00.00.00.2A.
    
    03.FF.0A.C9.5F.20.00.00.02.01.91.00.42.00.00.00.00.5F.00.00.00.
    00.00.00.00.00.00.00.00.00.00.00.00.00.0B.34.18.00.39.A3.02.00.
    00.00.00.DB.FB.02.0C.30.34.00.00.00.00.00.00.00.00.38.33.30.20.
      20.20.20.00.A0.42.4A.F4.F0.F3.F1.F3.F8.00.00.00.00.00.00.00,
      Description=An undetermined error has occurred). Refer to the
      Tivoli Storage Manager documentation on I/O error code
      descriptions.
    
    The AIX system error log will have the error with the label as
    RESERVE_CONFLICT and identifier as BF05CF18. The error info may
    be logged as
    -----
    LABEL:        RESERVE_CONFLICT
    IDENTIFIER:    BF05CF18
    
    Date/Time:       Tue Jun 10 09:29:00 2014
    Sequence Number: 237374
    Machine Id:      00CE9CD64C00
    Node Id:         chrva023
    Class:           H
    Type:            INFO
    WPAR:            Global
    Resource Name:   rmt401a
    Resource Class:  tape
    Resource Type:   3592
    Location:        U5877.001.9K8B986-P1-C8-T1-W500507630F586D01-L0
    
    VPD:
            Manufacturer................IBM
            Machine Type and Model......03592E07
            Serial Number...............0000078DD391
            Device Specific.(FW)........3830
            Loadable Microcode Level....A1700D78
    
    Description
    RESERVATION CONFLICT
    
    Probable Causes
    TAPE DRIVE
    
    Failure Causes
    TAPE DRIVE
    
        Recommended Actions
        CLEAR RESERVING HOST RESERVATION
    
    Detail Data
    ADDITIONAL INFORMATION
    Reserving host key 54534D50524B6579 WWPN 10000000C9943200
    -----
    There are no errors or any other messages reported on the other
    servers at the same time. This happens because Tivoli Storage
    Manager server uses the same persistent reserve key for all
    Tivoli Storage Manager server instances for all drive
    reservations. If several servers are running on the same host
    and share an HBA port, the device driver has no way to identify
    who already owns the device and who tries to access it. The IBM
    tape driver may allow a "reserve preemption" to happen.
    
    Tivoli Storage Manager Versions Affected:
    Tivoli Storage Manager Server 6.3 and 7.1 on all supported
    platforms when IBM tape device driver is used.
    
    Initial Impact:
    medium
    
    Additional Keywords:
    TSM zz63 zz71 atape ibmtape lintape lin_tape RESERVATION
    PREEMPTED
    

Local fix

  • Use "SCSI 2 reservation" for all drives
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All Tivoli Storage Manager users of tape devices.            *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See error description.                                       *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply fixing level when available. This problem is currently *
    * projected to be fixed in                                     *
    * level 7.1.3. Note that this is subject to change at the      *
    * discretion of IBM.                                           *
    ****************************************************************
    

Problem conclusion

  • This problem was fixed.
    Affected platforms:   AIX, HP-UX, Linux, Solaris, and Windows.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT03879

  • Reported component name

    TSM SERVER

  • Reported component ID

    5698ISMSV

  • Reported release

    63A

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2014-08-22

  • Closed date

    2015-05-19

  • Last modified date

    2015-05-19

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    TSM SERVER

  • Fixed component ID

    5698ISMSV

Applicable component levels

  • R63A PSY

       UP

  • R63H PSY

       UP

  • R63L PSY

       UP

  • R63S PSY

       UP

  • R63W PSY

       UP

  • R71A PSY

       UP

  • R71H PSY

       UP

  • R71L PSY

       UP

  • R71S PSY

       UP

  • R71W PSY

       UP



Document information

More support for: Tivoli Storage Manager

Software version: 63A

Reference #: IT03879

Modified date: 19 May 2015