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PI91214: A SUBSCRIPTION MAY SUSPEND WHEN STARTED IF THE LOG DATA CACHE ISLATENT AND WAITING FOR THE FIRST SUBSCRIPTION TO START

A fix is available

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APAR status

  • Closed as program error.

Error description

  • If the Log Data Cache feature is engaged, and no subscriptions
    are running when the IIDR CDC for z/OS instance starts, and if
    the log cache is very latent, a timing error may cause the first
    subscription to be started to be suspended.
    

Local fix

  • Stop and restart the IIDR CDC for z/OS instance.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Users of IIDR CDC for z/OS who employ the    *
    *                 Log Data Cache feature.                      *
    ****************************************************************
    * PROBLEM DESCRIPTION: If the Log Data Cache feature is        *
    *                      engaged, and no subscriptions are       *
    *                      running when the IIDR CDC for z/OS      *
    *                      instance starts, and if the log cache   *
    *                      is very latent, a timing error may      *
    *                      cause the first subscription to be      *
    *                      started to become suspended.            *
    ****************************************************************
    * RECOMMENDATION: APPLY CORRECTIVE SERVICE                     *
    ****************************************************************
    
    The first subscription to start may stall if the log cache is
    very latent.
    

Problem conclusion

  • Logic to handle subscription start properly informs the log
    cache that the subscription is waiting for data.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PI91214

  • Reported component name

    INFO SRVR CDC Z

  • Reported component ID

    5655U7600

  • Reported release

    A21

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-12-07

  • Closed date

    2017-12-08

  • Last modified date

    2018-01-03

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

    UI52539

Modules/Macros

  •    CHCDLRGP CHCSVBCS CHCTTSSV CHCTTSSW HCHCA21J
    

Fix information

  • Fixed component name

    INFO SRVR CDC Z

  • Fixed component ID

    5655U7600

Applicable component levels

  • RA21 PSY UI52539

       UP17/12/15 P F712 Ø

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.

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Document Information

Modified date:
03 January 2018