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IV66595: ITNM PRIMARY POLLER STILL IN STANDBY MODE AFTER FAILBACK OCCURS

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APAR status

  • Closed as program error.

Error description

  • The poller will fail to start polling after a failback occurs
    as it incorrectly believes it is in standby state.
    This is caused by a synchronisation problem between the
    toggling of the failover domain state and the internal poller
    failover states.
    

Local fix

  • n/a
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * ITNM configured in a failover pair. All platforms. ITNM 4.1  *
    * onward.                                                      *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * During failover, triggered by the failing of a the           *
    * ncp_poller process on ITNM primary, the backup Poller starts *
    * polling in the absence of the primary poller. When the       *
    * primary domain and it's failing process is resumed failback  *
    * occurs. After failback the primary poller fails to resume    *
    * polling even though it believes itself to be primary.        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * This can only be corrected by software upgrade.              *
    * 4.1.0-ITNMIP-FP0001                                          *
    * 4.1.1-ITNMIP-FP0002                                          *
    ****************************************************************
    

Problem conclusion

  • The primary poller, upon failback, will resume it's polling
    duties.
    

Temporary fix

  • Stop and start the whole primary domain.
    

Comments

APAR Information

  • APAR number

    IV66595

  • Reported component name

    TIV NETWK MGR I

  • Reported component ID

    5724S4500

  • Reported release

    410

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2014-11-05

  • Closed date

    2015-06-24

  • Last modified date

    2017-05-15

  • 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

    TIV NETWK MGR I

  • Fixed component ID

    5724S4500

Applicable component levels

  • R410 PSN

       UP

  • R410 PSY

       UP

  • R411 PSN

       UP

  • R411 PSY

       UP

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Document Information

Modified date:
15 May 2017