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Status Not under consideration
Workspace Db2 for z/OS
Created by Guest
Created on Jun 22, 2021

RELATED IDEAS

Reorging a TS with NPSIs, SORT NPSI = AUTO, getting IGD17272I VOLUME SELECTION HAS FAILED FOR INSUFFICIENT SPACE FOR which resulted in DSNU3341I 171 01:39:59.85 DSNURPCT - CANNOT ALLOCATE SORT DATASETS WITHIN 255 LIMIT , REORG should change to SORTNPSI = NO to prevent abend

Reorg TS with NPSIs and SORTNPSI or zparm REORG_PART_SORT_NPSI = AUTO. Reorg decides to run with SORTNPSI YES which sorts all keys for NPSIs. Job is having issues getting DASD resulting in numerous:


01.39.58 J0916868 IGD17272I VOLUME SELECTION HAS FAILED FOR INSUFFICIENT SPACE FOR 084

084 DATA SET SYS21171.T013958.RA000.RGWKY010.R0116094

084 JOBNAME (RGWKY010) STEPNAME (RTS00A03)

084 PROGNAME (DSNUTILB) DDNAME (SW01WK01)

084 REQUESTED SPACE QUANTITY = 36657845 KB

084 STORCLAS (SCVIO) MGMTCLAS ( ) DATACLAS (TEMPSYS1)

084 STORGRPS (TEMPSYS )

01.39.58 J0916868 IGD17272I VOLUME SELECTION HAS FAILED FOR INSUFFICIENT SPACE FOR 085

085 DATA SET SYS21171.T013958.RA000.RGWKY010.R0116096

085 JOBNAME (RGWKY010) STEPNAME (RTS00A03)

085 PROGNAME (DSNUTILB) DDNAME (SW01WK01)

085 REQUESTED SPACE QUANTITY = 20394059 KB

085 STORCLAS (SCVIO) MGMTCLAS ( ) DATACLAS (TEMPSYS1)

085 STORGRPS (TEMPSYS )


Finally abending with DSNU3341I 171 01:39:59.85 DSNURPCT - CANNOT ALLOCATE SORT DATASETS WITHIN 255 LIMIT

Once this abends, DBAs are contacted and need to wait until other reorg jobs complete releasing storage

Needed by Date Sep 1, 2021
  • Admin
    Janet Figone
    Reply
    |     Nov 12, 2021

    Dear Robert, Thank you for submitting this Aha! Idea. The Db2 for z/OS development team reviewed it and determined the following:

    • By the time this sort space allocation error occurs it is too late to revisit the SORTNPSI decision.

    • REORG would need to redrive all initializations and taskset calculations, restarting the utility from scratch, and there is no process for doing so.

    • If sortwork space is fragmented then there would be no guarantee that redriving the utility would work.

    At this point there are no plans to implement this requirement and so this is being marked as not under consideration. As an aside, in are considering to provide complete oversight over utility executions so that it would be possible to better examine utility failures and then take action to prevent them, such as ensuring that sufficient sort space is available or scheduling utilities so they compete less for available space.

    Please let us know if you have any further comments or questions.

    Sincerely,

    The Db2 for z/OS Development Team

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