IT33847: ADDING A NEW LARGE CHUNK IN A HDR PAIR WITH EAR DEFINED ON LEADSTO TIMEOUTS AND ROLE SWITCH

APAR status

• Closed as program error.

Error description

• Adding a large chunk in a HDR pair where EAR is defined on and
  the HDR  secondary doesnt have LOG_STAGE_DIR defined on may
  lead to connection timeouts and a role switch of the server
  pair.
  
  log from prim
  
  13:00:15  Chunk './rootchunk1' added to space 'rootdbs'.
  13:00:15  Increasing # of AIO VPs to 3
  
  13:00:16  Logical Log 208 Complete, timestamp: 0x1ae9add.
  13:00:39  DR: Needed to send a ping message but failed. 1
  13:01:09  DR: Needed to send a ping message but failed. 1
  13:01:39  DR: Needed to send a ping message but failed. 1
  13:02:09  DR: Needed to send a ping message but failed. 1
  13:02:17  DR: ping timeout
  13:02:17  DR: Receive error
  13:02:17  dr_prsend thread : asfcode = -25582: oserr = 4: errstr
  = : Network connection is broken.
  System error = 4.
  13:02:17  DR_ERR set to -1
  13:02:19  DR: Turned off on primary server
  13:02:19  DR: Cannot connect to secondary server
  13:02:21  Logical Log 209 Complete, timestamp: 0x1b09e96.
  13:02:24  Logical Log 210 Complete, timestamp: 0x1b3860d.
  
  log from sec
  
  13:00:07  Logical Log 207 Complete, timestamp: 0x1ac7fd3.
  13:00:14  Clearing encrypted primary chunk 2 before
  initialization...
  13:02:26  Checkpoint Completed:  duration was 0 seconds.
  13:02:26  Fri Aug  7 - loguniq 208, logpos 0x2546018, timestamp:
  0x1ae75b7 Interval: 25
  
  13:02:26  Maximum server connections 0
  13:02:26  Checkpoint Statistics - Avg. Txn Block Time 0.000, #
  Txns blocked 0, Plog used 144, Llog used 0
  
  13:02:27  DR: Send error
  13:02:27  dr_secrcv thread : asfcode = -25580: oserr = 32:
  errstr = : System error occurred in network function.
  System error = 32.
  13:02:27  DR_ERR set to -2
  13:02:28  DR: Turned off on secondary server
  13:02:28  Skipping failover callback.
  13:02:38  DR: Received connection request from remote server
  when DR is not Off
                [Local  type: Secondary, Current state: FAILED]
                [Remote type: Primary]
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * Users of Informix Server prior to 12.10.xC16 and 14.10.xC6.  *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See Error Description                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Upgrade to Informix Server 12.10.xC16 or 14.10.xC6.          *
  ****************************************************************
  This was previously reported [erroneously] fixed in 12.10.xC15.
  It is actually fixed in 12.10.xC16 and 14.10.xC6.
  

Problem conclusion

• Fixed in Informix Server 12.10.xC16 and 14.10.xC6.
  

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:

Fix information

• Fixed component name

  INFORMIX SERVER

• Fixed component ID

  5725A3900

Applicable component levels