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IT20404: IN DPF, DB2 TRAPS IN sqeDBMgr::LocalDeactivate IF A NODE FAILS AND THAT NODE IS THE CATALOG NODE FOR SOME DATABASE

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APAR status

  • Closed as program error.

Error description

  • In a DPF environment if an instance has multiple databases
    having different catalog nodes, for example:
    
    db2 list db directory | egrep "Database name|Catalog"
    Database name                        = SAMP1
    Catalog database partition number    = 0
    Database name                        = SAMP2
    Catalog database partition number    = 1
    
    And a node fails which is the catalog node for one of the
    databases (for example, node 0 or 1 above), db2 can trap with
    the following callstack:
    
    ossDumpStackTraceEx
    OSSTrapFile::dumpEx
    sqlo_trce
    sqloEDUCodeTrapHandler
    __pthread_mutex_cond_lock
    sqeDBMgr::LocalDeactivate
    sqleSubRequestRouter
    sqleProcessSubRequest
    sqeAgent::RunEDU
    sqzEDUObj::EDUDriver
    sqlzRunEDU
    sqloEDUEntry
    pthread_create@@GLIBC_2.2.5
    clone
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * ALL                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to DB2 11.1 Mod1 Fix Pack 1 iFix001                  *
    ****************************************************************
    

Problem conclusion

  • First fixed in DB2 11.1 Mod1 Fix Pack 1 iFix001
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT20404

  • 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

    2017-04-28

  • Closed date

    2017-05-01

  • Last modified date

    2017-05-01

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

    IT16127

  • 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

  • RB10 PSN

       UP

[{"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":"11.1","Edition":""}]

Document Information

Modified date:
01 May 2017