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

Obtain the fix for this APAR.

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 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

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