IBM Z Hardware and Operating Systems Ideas Portal


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BCP_Predictive Failure Analysis

Showing 6 of 3348

PFA_PRIVATE_STORAGE_EXHAUSTION monitor *MASTER* address space

Check PFA_PRIVATE_STORAGE_EXHAUSTION should monitor *MASTER* storage exhaustion.Usually when the master address space storage exhausts an IPL is needed to recover. This would not be necessary if PFA had alerted on the gradual storage inflation cau...
almost 3 years ago in z/OS / BCP_Predictive Failure Analysis 1 Planned for future release

Improve PFA_WLM_ADDR_SPACE_VELOCITY reporting

When CPU resources become constrained in a CEC and there are smaller/less-important LPARs in the same CEC as other higher-importance LPARs, WLM will favor the larger/more important LPARs and starve the other LPARs for CPU. In turn, this can starve...
almost 2 years ago in z/OS / BCP_Predictive Failure Analysis 0 Planned for future release

PFA_JES_SPOOL_USAGE - exceptionmin value

We have a product that occasionally creates a spool exception with average variance of 4000 to 5000 TGs increases which is <.01% of out total TGs . The exception is very short, always back to normal before the next collection cycle.It is a SYSO...
over 2 years ago in z/OS / BCP_Predictive Failure Analysis 1 Planned for future release

PFA_COMMON_STORAGE_USAGE Health check parms

At zOS 2.2, new parms e_low, e_med, and e_high result in exceptions based on severity and the number of minutes before the exception will occur for health check PFA_COMMON_STORAGE_USAGE. (E)SQA is designed to overflow into (E)CSA, so an exhaustion...
about 8 years ago in z/OS / BCP_Predictive Failure Analysis 6 Planned for future release

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 threshol...
almost 6 years ago in z/OS / BCP_Predictive Failure Analysis 1 Planned for future release

PFA to monitor for above the bar storage

In late March, we experienced an MQ outage on our main production system. Analysis by IBM concluded that the cause was a leak in 64bit storage.Currently, PFA has a check for private storage below and above the line. It would be beneficial to us, a...
almost 6 years ago in z/OS / BCP_Predictive Failure Analysis 0 Planned for future release

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