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PH32539: MQ Z/OS: BUFFERPOOL AND PAGESET ID SET TO 0 IN SMF ACCOUNTING

A fix is available

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APAR status

  • Closed as program error.

Error description

  • In the MQ SMF Task Accounting data the queue has WQ records
    that contain information about the queues, however the
    bufferpool ID and pageset ID are often initially set to 0 and
    not updated until well after a number of WQ records have been
    cut.
    

Local fix

  • NA
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users of IBM MQ for z/OS Version 9       *
    *                 Release 0 Modification 0,                    *
    *                 Release 1 Modification 0 and                 *
    *                 Release 2 Modification 0.                    *
    ****************************************************************
    * PROBLEM DESCRIPTION: In some circumstances SMF 116 records   *
    *                      incorrectly indicate that queues are    *
    *                      associated with pageset/bufferpool 0.   *
    ****************************************************************
    While processing an MQPUT/MQGET an update was needed to the
    queue object on pageset 0. When this update is made
    synchronously, an error resulted in the collection of SMF
    data for the MQI call being incorrectly recorded against
    pageset 0 and it's associated bufferpool, rather than the
    pageset/bufferpool used by the queue.
    

Problem conclusion

  • CSQP2GET has been changed to record the SMF data against the
    correct pageset/bufferpool.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH32539

  • Reported component name

    IBM MQ Z/OS V9

  • Reported component ID

    5655MQ900

  • Reported release

    100

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2020-12-10

  • Closed date

    2021-09-15

  • Last modified date

    2021-10-01

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

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

    UI77141 UI77142 UI77143

Modules/Macros

  • CSQP2GET
    

Fix information

  • Fixed component name

    IBM MQ Z/OS V9

  • Fixed component ID

    5655MQ900

Applicable component levels

  • R000 PSY UI77143

       UP21/09/29 P F109

  • R100 PSY UI77142

       UP21/09/29 P F109

  • R200 PSY UI77141

       UP21/09/29 P F109

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:
02 October 2021