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

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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 number

    IT33847

  • Reported component name

    INFORMIX SERVER

  • Reported component ID

    5725A3900

  • Reported release

    C10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2020-08-10

  • Closed date

    2023-06-13

  • Last modified date

    2023-06-13

  • 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

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"C10","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
13 June 2023