IBM Support

IT21569: DURING CRASH RECOVERY, A LOG FILE MAY BY UNEXPECTEDLY OVERWRITTEN WHEN USING CIRCULAR LOGGING

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • In a database configured with circular logging, in a rare
    scenario, one or more log files may be overwritten during
    crash-recovery when Db2
    transitions to the undo-phase of crash-recovery and
    pre-allocates log files.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * Crash recovery running with circular logging.                *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to Db2 V11.1 Mod3 Fixpack3 or later.                 *
    ****************************************************************
    

Problem conclusion

  • The problem is firstly fixed on Db2 V11.1 Mod3 Fixpack3.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT21569

  • 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

    2017-07-24

  • Closed date

    2018-03-15

  • Last modified date

    2018-03-15

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

    IT21556

  • 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 PSY

       UP

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
15 March 2018