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IT29354: Object damage when the queue file reaches 2TB

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APAR status

  • Closed as program error.

Error description

  • MQ object gets damaged when the queue file reaches 2 TB
    .
    FDC's with Probe Id AQ115020 generated from the MQ function
    aqhResizeSpaceMap() indicate the queue file size reached
    the max queue file size limit set by MQ (2 TB default).
    

Local fix

  • Set a MAXDEPTH (and MAXMSGL if necessary) for the queue to
    prevent it from growing to 2TB
    

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    Users using large queue files with the possibility of the queue
    file size reaching 2 TB
    
    
    Platforms affected:
    MultiPlatform
    
    ****************************************************************
    PROBLEM DESCRIPTION:
    A defect in the MQ code caused the object to become damaged when
    the the queue file size reached 2 TB
    

Problem conclusion

  • The MQ code has been modified to fix the defect in handling a 2
    TB queue file
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
    Version    Maintenance Level
    v8.0       8.0.0.15
    v9.0 LTS   9.0.0.9
    v9.1 CD    9.1.5
    v9.1 LTS   9.1.0.5
    
    The latest available maintenance can be obtained from
    'WebSphere MQ Recommended Fixes'
    http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037
    
    If the maintenance level is not yet available information on
    its planned availability can be found in 'WebSphere MQ
    Planned Maintenance Release Dates'
    http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309
    ---------------------------------------------------------------
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT29354

  • Reported component name

    IBM MQ BASE MP

  • Reported component ID

    5724H7251

  • Reported release

    800

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2019-06-06

  • Closed date

    2019-12-20

  • Last modified date

    2019-12-20

  • 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

    IBM MQ BASE MP

  • Fixed component ID

    5724H7251

Applicable component levels

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8.0.0.0","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
20 December 2019