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IT24742: PERMIT FORMAT 2 GUARDIAN FILES AS DATASTORE FOR MQ QUEUES ON NSK

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APAR status

  • Closed as program error.

Error description

  • We have historically had to develop application code that
    exploits sets of 16 transmission queues between 2 downstream
    endpoints in order to have any level of capacity when issues
    occur.  Even this is over time, is now considerably less than
    the capacity desired.
    

Local fix

  • NA
    

Problem summary

  • This APAR adds new function that enables
    administrators to increase the maximum file size for a queue by
    using the qsize option of altmqfls. altmqfls now supports
    format 2 queue files which can grow much bigger than format 1.
    The qsize option of altmqfls allows administrators to define
    primary extents, secondary extents and maximum extents.
    MQ creates a format 2 queue file if one of the used values
    exceeds the format 1 file limitation but is supported by
    format 2 or if the used values allow a maximum queue file size
    of more than 2 GB.
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    IT24742

  • Reported component name

    WEBS MQ NSS ITA

  • Reported component ID

    5724A3902

  • Reported release

    531

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2018-04-16

  • Closed date

    2018-04-23

  • Last modified date

    2018-04-23

  • 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

    WEBS MQ NSS ITA

  • Fixed component ID

    5724A3902

Applicable component levels

  • R531 PSY

       UP

[{"Line of Business":{"code":"LOB36","label":"IBM Automation"},"Business Unit":{"code":"BU053","label":"Cloud \u0026 Data Platform"},"Product":{"code":"SSFKSJ","label":"WebSphere MQ"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"5.3.1"}]

Document Information

Modified date:
26 September 2021