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Status Delivered
Workspace Db2 Recovery Expert for z/OS
Created by Guest
Created on Jun 28, 2023

RELATED IDEAS

Allow use of the REUSE keyword on basic/non-advanced recovery plans

When the DB2 Recovery Expert for z/OS generates basic recovery plans for one or more tablespaces, it currently provides no provision in non-advanced recovery plans for the user to specify whether the REUSE keyword should be used in the generation/execution of the Db2 RECOVER utility. This keyword parm has been part of the Db2 RECOVER utility for a long time, and is used to improve the performance of the RECOVER utility by telling the RECOVER utility to reuse any underlying VSAM linear data sets, rather than deleting and reallocating them, which can take a measurable amount of time. This time can add up to be a noticeable portion of the overall elapsed time of the utility execution depending on how many tablespaces are involved in the recovery.

Currently, the user is allowed to specify the usage of the REUSE keyword in advanced or redirected recovery plans, but not in basic recovery plans that use the Db2 RECOVER utility.

Thus, basic recovery plans using the Db2 RECOVER utility may be taking longer than they really need to since the use of the REUSE keyword cannot currently be specified by the user.


Needed By Yesterday (Let's go already!)
  • Admin
    Chris Pomasl
    Reply
    |     Aug 27, 2024

    Thank you for submitting this Db2 Recovery Expert for z/OS enhancement request. We have reviewed this request and believed it was a good candidate for the Db2 Recovery Expert for z/OS product and have implemented it.
    <APAR information>

    PH57376, PTF UI94179

    We appreciate your input to the Db2 Recovery Expert for z/OS development team. We hope that you will continue to submit enhancement suggestions for improvements as customer feedback is a key component to shaping the future direction of Db2 Recovery Expert for z/OS.

    Sincerely,

    The Db2 Recovery Expert for z/OS Team

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