IC81121: WHEN TAPE IS AT THE BEGINNING, AND WHEN USING -N FLAG TO NOT REWIND, CUSTOMER GETS THE MESSAGE: THIS BACKUP IS NOT THE FIRST

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APAR status

  • Closed as program error.

Error description

  • Sysback 6.1.2.6
    aix 6.1
    
    Customer rewinds the tape with tctl.
    Then uses the -n flag to not rewind the tape:
    
    sysback -f /dev/rmt0 -T chrp -k 64 -n -d test non working -M -E
    /usr/lpp/sysback/exclude.list -u sdsvg
    
    He receives the message:
    
    NOTE:   This backup is not the first backup on the media, and
    therefore   will not be bootable. The first backup on this media
    must have been created at the same AIX level in order to boot
    from this tape and install from this backup.
    
    the debug shows that sbdevice returns a 1 which means:
    
    ---------------------
    sbdevice -s
    Checks if the tape drive is currently at the beginning of the
    tape.
    RC 0 indicates the tape is not rewound;
    RC 1 indicates the tape is rewound.
    --------------------
    
    + runcommand2 sbdevice -s /dev/rmt0 2>/dev/null
    + command=sbdevice -s /dev/rmt0 2>/dev/null
    + error=
    + hostname=
    + [[ -z  ]]
    + eval sbdevice -s /dev/rmt0 2>/dev/null
    + sbdevice -s /dev/rmt0
    + 2> /dev/null
    + retcd=1
    + [[ 1 -ne 0 ]]
    + [[ 1 -ne 254 ]]
    + [[ -n  ]]
    + return 1
    + [[ 0 = 0 ]]
    + [[ 0 -ne 0 ]]
    + [[ 0 -eq 1 ]]
    + msg 999 NOTE:   This backup is not the first backup on the
    media,
    and therefore\n\twill not be bootable.
    The first backup on this media must have been\n\tcreated at the
    same
    AIX level in order to boot from this tape and\n\tinstall from
    this
    backup.
    + 1>& 2
    
    =================
    
    Problem started after upgrading sysback to 6.1.2.6 and aix 6.1.
    I compared /use/sbin/sysback 6.1.2.6 to 5.6.8.  The sbdevice
    logic seems to have changes from 5.6 to 5.8.
    

Local fix

  • use -e flag to stack backups
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users running Tivoli Storage Manager     *
    *                 for System Backup and recovery 6.1           *
    ****************************************************************
    * PROBLEM DESCRIPTION: See APAR description                    *
    ****************************************************************
    * RECOMMENDATION: Apply fixing level when available.           *
    *                 This problem is currently projected to be    *
    *                 fixed in level 6.1.3.1.                      *
    *                 Note that this is subject to change at the   *
    *                 discretion of IBM.                           *
    ****************************************************************
    *
    

Problem conclusion

  • This problem was fixed.
    
    Affected platforms:  AIX.
    

Temporary fix

  • Use the -e flag on the SysBack command
    

Comments

APAR Information

  • APAR number

    IC81121

  • Reported component name

    TSM SYS BU & RE

  • Reported component ID

    5698SYS00

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-01-31

  • Closed date

    2012-08-27

  • Last modified date

    2012-08-27

  • 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 SYS BU & RE

  • Fixed component ID

    5698SYS00

Applicable component levels

  • R610 PSY

       UP



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Document information


More support for:

Tivoli Storage Manager for System Backup and Recovery

Software version:

610

Reference #:

IC81121

Modified date:

2012-08-27

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