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Status Planned for future release
Workspace z/OS
Categories BCP_Predictive Failure Analysis
Created by Guest
Created on Jun 28, 2018

RELATED IDEAS

Improvements for the PFA_PRIVATE_STORAGE_EXHAUSTION health check

The PFA_PRIVATE_STORAGE_EXHAUSTION validly detects when an address space is projected to run out of private storage within x hours which triggers an HZS0003E. However, when the usage floats around the threshold between the medium and high thresholds, it will generate HZS0003Es as it crosses that boundary repeatedly. This has triggered multiple HZS0003Es (and pages). It would be great if there were an option to say if a high severity exception is encountered, don't lower it to medium unless some other 'intensive mode' threshold is satisfied. For example, we have our high severity threshold set for 2 hours. If address space XYZ will run out of private in less than 2 hours, raise a high severity exception and don't let it drop to a medium unless that prediction changes to 3 hours.

Another improvement would be to add flexibility to the exclusion list or other PFA option such that certain types of address spaces can be excluded such as TSO users and batch jobs as there is typically nothing we can do for a running batch job and TSO users are really not critical enough to page out a sysprog for in the middle of the night. Similarly, users who are SSH'd into the LPAR generate spawned BPXAS inits that sometimes trigger pages.

Idea priority High
  • Guest
    Reply
    |     Aug 6, 2018

    This item is under consideration. Please note that address spaces named BPXAS, INIT, and *MASTER* are excluded from the Private Storage Exhaustion check internally already.

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