IBM Support

IC99032: MULTIPLE TOKEN NODES WHEN NODE1 GOES DOWN

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Direct link to fix

 

APAR status

  • Closed as program error.

Error description

  • Multiple Token nodes when Node1 goes down
    The cluster needs to be recycled causing a full outage for a
    while.   there is a problem in checking if there is any active
    node already has token, the query should include constrain that
    TOKEN=1
    

Local fix

  • cluster recycle
    

Problem summary

  • USERS AFFECTED:
    ALL
    
    PROBLEM DESCRIPTION:
    MULTIPLE TOKEN NODES WHEN NODE1 GETS OOM AND IS NOT RESPONDING
    
    PLATFORMS AFFECTED :
    ALL
    

Problem conclusion

  • RESOLUTION SUMMARY:
    THIS MULTIPLE TOKEN NODES ISSUE IS A TIMING ISSUE. THE FIX
    INCLUDES:
    1. HAVE A LOCK WHEN HEART BEAT THREAD UPDATES DATABASE TO CLEAN
    TOKEN NODE AND TAKES TOKEN FOR CURRENT NODE, SO WE DON'T HAVE
    TWO NODES TAKING THE TOKEN AT THE SAME TIME.
    2. UPDATE TO MAKE SURE NO ACTIVE NODE HAS THE TOKEN BEFORE
    TAKING THE TOKEN FOR CURRENT NODE.
    THESE CHANGE ENSURES ONLY ONE NODE TAKES TOKEN WHEN A NODE GOES
    DOWN.
    
    DELIVERED IN:
    5020500_1
    

Temporary fix

  • Fix the multiple token issue in ops server
    

Comments

APAR Information

  • APAR number

    IC99032

  • Reported component name

    STR B2B INTEGRA

  • Reported component ID

    5725D0600

  • Reported release

    524

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2014-01-28

  • Closed date

    2015-01-22

  • Last modified date

    2015-10-29

  • 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

    STR B2B INTEGRA

  • Fixed component ID

    5725D0600

Applicable component levels

  • R525 PSY

       UP

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Document Information

Modified date:
29 October 2015