PM57087: GRECP RECOVERY FAILED WITH ABEND04E RC00C90101 IN DSNKUNR2 AT ERQUAL5007

A fix is available

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APAR status

  • Closed as program error.

Error description

  • GRECP RECOVERY FAILED WITH ABEND 04E 00C90101 IN DSNKUNR2 AT
    ERQUAL 5007
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: DB2 data sharing users.                      *
    ****************************************************************
    * PROBLEM DESCRIPTION: GRECP recovery fails with ABEND04E      *
    *                      RC00C90101 in DSNKUNR2.                 *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    A timing window between two members connecting to a group
    buffer pool (GBP) causes the first member completing the
    connection to take a structure checkpoint with incorrect
    recovery LRSN of the second member. If the next structure
    checkpoint happens after the second member's DB2 checkpoint,
    page sets using the GBP may get incorrect recovery LRSN. If
    the GBP is purged or DB2 crashes, the recovery may fail
    with abends.
    

Problem conclusion

  • DB2 GBP connection logic has been modified to initialize the
    member recovery LRSNs correctly.
    

Temporary fix

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

Comments

  • ž**** PE12/11/27 PTF IN ERROR. SEE APAR PM77211  FOR DESCRIPTION
    

APAR Information

  • APAR number

    PM57087

  • Reported component name

    DB2 OS/390 & Z/

  • Reported component ID

    5740XYR00

  • Reported release

    A10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-01-31

  • Closed date

    2012-04-09

  • Last modified date

    2013-01-14

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

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

    UK77778 UK77779 UK77780 UK78554

Modules/Macros

  •    DSNB1GC1
    

Fix information

  • Fixed component name

    DB2 OS/390 & Z/

  • Fixed component ID

    5740XYR00

Applicable component levels

  • RA10 PSY UK77778

       UP12/04/26 P F204

  • R810 PSY UK77779

       UP12/04/26 P F204

  • R910 PSY UK77780

       UP12/04/26 P F204

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.



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Document information


More support for:

DB2 for z/OS

Software version:

A10

Reference #:

PM57087

Modified date:

2013-01-14

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