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IT29750: WHEN SSL IS USED FOR HADR COMMUNICATION DB2HADRS EDU IS SPINNINGAFTER HADR GRACEFUL TAKEOVER.

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APAR status

  • Closed as program error.

Error description

  • This problem only occurs when SSL is used for communication
    between HADR primary and standby.  That is, when HADR_SSL_LABEL
    database configuration parameter is set.
    
    Users might observe that db2sysc takes much CPU time in new HADR
    standby after graceful takeover. The db2pd -edu shows CPU time
    for db2hadrs EDU keeps growing.
    

Local fix

  • Restart the HADR standby, like as below:
    1. Login to the new HADR standby server as instance owner.
    2. Stop and start the standby database via
    db2 deactivate db <dbname>
    db2 activate db <dbname>
    

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

    IT29750

  • 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

    2019-07-16

  • 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:

    IT36192

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

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

Document Information

Modified date:
12 March 2021