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Status Delivered
Workspace Db2 for z/OS
Created by Guest
Created on Jan 6, 2021

Enabling DAE to supress flood of duplicate Db2 dumps in all situations

Reoccuring Db2 dumps should be supressed by DAE.

In certain situations DAE is not able to supress dumps, which are part of a flood of Db2 dumps.

This was observed in the second level of recovery from a Db2 abend. In our case the Db2 recovery routine running for a Db2 abend got itself another abend. The dump for this second abend within the Db2 recovery routine was not supressed by DAE, although the situation reoccured many times (for details please see case TS004328399) .

Reason is, that the Db2 common layer of recovery set VRAMINSC - the number of symptoms, that must be the same in oder to supress the dump as duplicate by DAE - and the second layer of recovery does not provide enough symptoms to enable DAE to supress the repeating dump.

Idea is, that Db2 is changed in a way, that activated DAE is able to supress repeating Db2 dumps in cases, that Db2 recovery itself encounters abends.

Needed by Date Jul 6, 2021
  • Admin
    Janet Figone
    Reply
    |
    Sep 27, 2021

    Hello Frank, Thank you for submitting this Aha! Idea. Db2 for z/OS development has reviewed it and suggests you install PTF UI74015 to fix APAR PH31612. We will be closing this Aha! Idea now but will reopen it if you have any additional comments, questions or concerns about this Aha! Idea.

    Sincerely,

    The Db2 for z/OS Development team