IBM Support

PH10323: AFTER A D/R TEST THE QMGR CAN NOT RECONNECT TO DB2 AND FAILS WITH CSQ5026E.

A fix is available

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Following a disaster/recovery test the queue-manager failed to
    reconnect to DB2 with a loop of messages:
    CSQ5026E +CSQ1 CSQ5MONR Unable to access DB2, RRS is not
              available.
    

Local fix

  • n/a
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users of IBM MQ for z/OS Version 9       *
    *                 Release 0 Modification 0 and Release 1       *
    *                 Modification 0.                              *
    ****************************************************************
    * PROBLEM DESCRIPTION: Registration with RRS during queue      *
    *                      manager start up failed due to RRS not  *
    *                      having finished deregistering the       *
    *                      previous instance of the queue manager. *
    *                                                              *
    *                      This resulted in a loop of the message  *
    *                      CSQ5026E in the queue manager logs.     *
    ****************************************************************
    RRS took longer than expected to deregister a previous instance
    of the queue manager that has been shut down. Thus when starting
    the same queue manager the CRGGRM call to register the queue
    manager with RRS fails with the return code 700
    (CRG_RM_NAME_REGISTERED).
    
    The queue manager then treats RRS as unavailable which prevents
    MQ from connecting to DB2 and results in multiple instances of
    the message CSQ5026E in the queue manager logs.
    

Problem conclusion

  • Code has been added to handle the case where the CRGGRM fails
    for CRG_RM_NAME_REGISTERED and RRS will no longer be treated as
    unavailable so that MQ can successfully connect to DB2. After
    this time processing will continue, however RRS functionality
    such as use of the RRS adapter will be unavailable until the
    queue manager has been restarted.
    
    Additionally the message CSQ3017I will be issued to indicate
    that the queue manager has failed to register with RRS during
    start up.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH10323

  • Reported component name

    IBM MQ Z/OS VUE

  • Reported component ID

    5655VU900

  • Reported release

    000

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2019-03-28

  • Closed date

    2019-11-21

  • Last modified date

    2019-11-30

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

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

    UI66549 UI66550

Modules/Macros

  • CSQ3RRSI
    

Fix information

  • Fixed component name

    IBM MQ Z/OS V9

  • Fixed component ID

    5655MQ900

Applicable component levels

  • R000 PSY UI66550

       UP19/11/27 P F911

  • R100 PSY UI66549

       UP19/11/27 P F911

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"9.0","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
30 November 2019