IBM Support

IT24585: INSERTS TO A PAGE MAY NOT RE-USE RESERVED SPACE ON A PAGE PROPERLY WHICH CAUSES NEW PAGE ALLOCATION AND OVERFLOW RECORDS

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APAR status

  • Closed as program error.

Error description

  • If there's reserved space on a page, an update to the page that
    doesn't change any record lengths may cause us to not release
    old reserved space properly. The consequence for this is that
    any insert/update in the same transaction may cause us to
    allocate new pages or create overflow records even though
    there's usable space on existing pages in the table.
    
    This is especially a problem for SYSBOOT because creation of
    overflow records in this table causes dart to report false
    errors. Dart would report the following error if there are
    overflows on SYSBOOT.
    
             Traversing extent map for:
               OTR ID: 4
                Parent  object ID = 1  pool ID = 0
               For all table objects in tablespace: 0
    
                DAT extent anchor: 516, in pool: 0
                Traversing extent map for object type: 0
             Extent Map traversal complete.
             Error: The size 0 of the tid/fid pairs array is not big
    enough to have array entry 0.
             Warning: Object in Object Table not found in SYSTABLES
    for ObjID:1, TabspID:0
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * UPGRADE TO DB2 V10.5FP10 OR HIGHER FIXPACK LEVEL             *
    ****************************************************************
    

Problem conclusion

  • Fixed in DB2 V10.5.FP10 AND HIGHER FIXPACK LEVEL
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT24585

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    A50

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2018-03-29

  • Closed date

    2018-07-17

  • Last modified date

    2018-07-17

  • 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

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEPGG","label":"DB2 for Linux, UNIX and Windows"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"10.5","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
17 July 2018