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OA67829: THERE ARE OVER 5000 DB2 DATABASES, BUT DISCOVERY LIBRARY ADAPTER (DLA) ONLY DISCOVERS APPROXIMATELY 3700

A fix is available

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APAR status

  • Closed as program error.

Error description

  • There are over 5000 databases in the Db2s, but DLA only
    discovers 3719.
    Trace output shows
    DSNT306I  -D2B1 RESPONSE MESSAGE LIMIT HAS BEEN REACHED
    DSN9023I  -D2B1 DSNTDDIS 'DISPLAY DATABASE' ABNORMAL COMPLETION
    
    The amount of space allowed for the DISPLAY DATABASE command
    has been exceeded.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All zOS DLA V320 users with more than        *
    *                 3700 Databases.                              *
    ****************************************************************
    * PROBLEM DESCRIPTION: DISCOVERY LIBRARY ADAPTER (DLA) ONLY    *
    *                      DISCOVERS APPROXIMATELY 3700 DATABASES  *
    *                      EVEN WHEN THE ACTUAL NUMBERS ARE MORE   *
    *                      THAN THAT.                              *
    *                                                              *
    *                      Trace output shows                      *
    *                      DSNT306I  -D2B1 RESPONSE MESSAGE LIMIT  *
    *                                 HAS BEEN REACHED             *
    *                      DSN9023I  -D2B1 DSNTDDIS 'DISPLAY       *
    *                                DATABASE' ABNORMAL COMPLETION *
    ****************************************************************
    ZOS DLA was unable to discover more than 3700 Databases because
    of DB2 internal limitations.
    

Problem conclusion

  • APAR updated IZDRDB2 module to implement SQL query to
    retrieve the databases name instead of a Rexx exec.
    

Temporary fix

Comments

APAR Information

  • APAR number

    OA67829

  • Reported component name

    Z/OS DLA

  • Reported component ID

    5698A4700

  • Reported release

    320

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2025-04-29

  • Closed date

    2025-11-10

  • Last modified date

    2025-11-30

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

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

    UJ98485

Modules/Macros

  • IZDRDB2
    

Fix information

  • Fixed component name

    Z/OS DLA

  • Fixed component ID

    5698A4700

Applicable component levels

  • R320 PSY UJ98485

       UP25/11/12 P F511

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:
30 November 2025