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IT29633: INTERRUPTING ROLLFORWARD OPERATIONS DURING REPLAY CAN CAUSE SUBSEQUENT ROLLFORWARD TO FAIL

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APAR status

  • Closed as program error.

Error description

  • Restarting the standby database during replay might fail
    indicated by the following db2diag.log message:
    
    FUNCTION: DB2 UDB, data management, sqldRedoUpsert, probe:2251
    MESSAGE : Free Space does not match during redo!
    DATA #1 : String, 11 bytes
    insinfo_lr:
    DATA #2 : Hexdump, 26 bytes
    0x00007F6CBC03A5A0 : 01A2 2A00 6405 0000 2A00 203B 0400 0000
    ..*.d...*. ;....
    0x00007F6CBC03A5B0 : 0000 2A3B 0000 2A00 0100 ..*;..*...
    DATA #3 : String, 11 bytes
    Space used:
    DATA #4 : signed integer, 4 bytes
    42
    CALLSTCK: (Static functions may not be resolved correctly, as
    they are resolved to the nearest symbol)
    [0] 0x00007FEF403F60D3 /db2/db2pb3/sqllib/lib64/libdb2e.so.1 +
    0x224A0D3
    [1] 0x00007FEF403E8FA2
    _Z8sqldRedoP8sqeAgentP8SQLD_LRHP9SQLP_LSN8mmm + 0x1A52
    [2] 0x00007FEF403B2001
    _Z8sqldmrdoP8sqeAgenttP9SQLP_LSN8PcmmmmP8SQLP_TIDP15SQLD_RECOV_I
    NFO + 0xD01
    [3] 0x00007FEF45939B4B
    _Z13sqlpRecDbRedoP8sqeAgentP8SQLP_ACBP14sqlpMasterDbcbP10SQLP_FR
    APPP11SQLP_TENTRYP16SQLPR_LOGREC_DISP10REDO_INPUT + 0x273B
    [4] 0x00007FEF45937073
    _Z15sqlpPRecProcLogP8sqeAgentP8SQLP_ACBP14sqlpMasterDbcb +
    0x14D3
    [5] 0x00007FEF458F479E _Z20sqlpParallelRecoveryP8sqeAgentP5sqlca
    + 0xF6E
    [6] 0x00007FEF437BB24C _Z26sqleSubCoordProcessRequestP8sqeAgent
    + 0x17C
    [7] 0x00007FEF437D80AE _ZN8sqeAgent6RunEDUEv + 0x5AE
    [8] 0x00007FEF470F8CBE _ZN9sqzEDUObj9EDUDriverEv + 0x1BE
    [9] 0x00007FEF4561EE1A sqloEDUEntry + 0x57A
    [10] 0x00007FEF4D1B5DD5 /lib64/libpthread.so.0 + 0x7DD5
    [11] 0x00007FEF3CC59B3D clone + 0x6D
    
    Other cases include crash recovery or rollforward operations.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * ALL                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to Db2 11.1 Mod 4 Fixpack 5 or higher                *
    ****************************************************************
    

Problem conclusion

  • First fixed in Db2 11.1 Mod 4 Fixpack 5
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT29633

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    B10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2019-07-05

  • Closed date

    2020-01-16

  • Last modified date

    2020-01-16

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

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

    IT29634

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • RB10 PSN

       UP

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSEPGG","label":"DB2 for Linux- UNIX and Windows"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
04 May 2022