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IV35809: DATA ERROR IN A FILE ON AN NFS SERVER AFTER A SERVER REBOOT APPLIES TO AIX 6100-06

A fix is available

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APAR status

  • Closed as program error.

Error description

  • After rebooting an NFS server, invalid data may be found in
    a file. There is a very small timing window that can cause
    this after page replacement on an NFS client initiates a write
    without commit from client to server.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 6100-06 Technology Level with the
    * bos.mp64 fileset below the 6.1.6.22 level.
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * After rebooting an NFS server, invalid data may be found in
    * a file. There is a very small timing window that can cause
    * this after page replacement on an NFS client initiates a write
    * without commit from client to server.
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IV35809.
    * Prior to fix availability, an interim fix is available from
    * ftp://public.dhe.ibm.com/aix/ifixes/iv35809/
    ****************************************************************
    

Problem conclusion

  • Page replacement initiated NFS writes are no longer done using
    the 2-phase asynchronous method.
    

Temporary fix

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

Comments

  • 6100-06 - use AIX APAR IV35809
    6100-07 - use AIX APAR IV35810
    6100-08 - use AIX APAR IV35811
    7100-02 - use AIX APAR IV35814
    

APAR Information

  • APAR number

    IV35809

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Submitted date

    2013-01-23

  • Closed date

    2013-01-23

  • Last modified date

    2013-11-25

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

    IV33672

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

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U854751

       UP13/03/22 I 1000

PTF to Fileset Mapping

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Document Information

Modified date:
25 November 2013