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Status Future consideration
Workspace z/OS
Categories DFSMS HSM
Created by Guest
Created on Jul 3, 2026

RELATED IDEAS

DFSMShsm - New ARC message if PSM runs beyond End-time

To allow users to request a new ARC19xxI information message be issued to the operator console when PRIMARY SPACE MANAGEMENT (PSM) is still running
a specified amount of time after its end time. This request is similar to the functionality for Auto-Backup introduced by the APAR OA63825 - but being requested for PSM.

We have had a scenario in an installation wherein the PSM task was hung in an Lpar without any messages - and PSM wasn't starting/running for the subsequent days. With PSM & interval migration being handled from another LPAR, HSM doing space management inefficiently causing pool growth was identified only after some time. The team was trying manual migrations & adding space assuming more data for handling. Though we're in the process of putting in workaround alerts via System Automation for checking PSM end message (ARC0521I) after x-hrs of PSM start message (ARC0520I), it would be beneficial & logical if HSM itself is able to alert in case if PSM continues to run after x-secs/mins/hrs of PSM end-time as per system parms; and this indeed could be enabled/disabled via a SETSYS parm - similar to ISSUEARC1902((y|n) DELAYTIME(secs)) introduced by OA63825.

Idea priority Medium

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