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IZ64133: A REBOOT MAY RESULT IN RANDOM MPIO PATHS IN A MISSING STATE APPLIES TO AIX 6100-04

A fix is available

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APAR status

  • Closed as program error.

Error description

  • San Boot may fail after many reboots
    MPIO paths may be randomly placed in a MISSING state
    

Local fix

  • Running cfgmgr after boot should bring the paths back to
    an AVAILABLE state
    
    A SAN boot failure will require a re-IPL
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    *    Users of any non-MPIO disks
    *  at AIX 6100-04-01-0944
    *  or VIOS 2.1.2.10 FP22
    ****************************************************************
    * PROBLEM DESCRIPTION:
    *    If a passthru IOCTL encounters an error, the disk driver
    *    will not perform error processing.  Error processing will b
    *    left up to application issuing IOCTL.
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IZ63813, IZ64056 and IZ64133
    * Prior to APAR availability, an interim fix is available from:
    * AIX: ftp://public.dhe.ibm.com/aix/efixes/iz63813
    * VIOS:  ftp://public.dhe.ibm.com/aix/efixes/iz63813_vios
    ****************************************************************
    

Problem conclusion

  • MPIO configuration code fixed to take care of path
    configuration so that path status comes up proper.
    

Temporary fix

  • *********
    * HIPER *
    *********
    

Comments

  • 5300-08 - use AIX APAR IZ66562
    5300-09 - use AIX APAR IZ64005
    5300-10 - use AIX APAR IZ64011
    5300-11 - use AIX APAR IZ65325
    6100-04 - use AIX APAR IZ64133
    

APAR Information

  • APAR number

    IZ64133

  • Reported component name

    AIX 610

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    YesHIPER

  • Submitted date

    2009-10-30

  • Closed date

    2009-11-18

  • Last modified date

    2013-03-28

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

    IZ63159

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

    U832505

Fix information

  • Fixed component name

    AIX 610

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U832505

       UP10/01/12 I 1000

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Document Information

Modified date:
17 December 2021