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Status Future consideration
Workspace z/OS
Categories RMF
Created by Guest
Created on Feb 25, 2022

RELATED IDEAS

RMF CF OVERVIEW Data shouldn't miss when one LPAR is down.

In our z/OS V2R5 environment, we observed that RMF MONITOR 3 CF OVERVIEW record couldn't be found which is empty. The Time gap is from 02/16/22 15.17.10 to 02/16/22 16.48.00.
Our JB0 system ran into issue during this time range, but we don't think RMF 3 CF Overview should be missing where other LPARs were still working well and communicating with CF healthily.
In the case, the supporter clarified to us it works as design with the explanation below about Sysplex reporting mechanism for RMF monitor III reporting.

The Sysplex related reports ( e.g. CFOVER ) rely on every single LPAR data to be shown at all time, so

if you have data from 30 days long from all the LPARs in your SYSPLEX and have one single LPAR from which you have just one day of data in your Monitor III datasets, that’s the whole amount of data you’ll get in the CFOVER: 1 day only.

In other words, only if one system is down in the time range which has no MONITOR3 data, then the whole SYSPLEX related records(e.g CF Overview) couldn't be report in RMF for the time range even if other LPARs are healthily working.

In the common understanding, other LPARs are still alive which are communicating with CF, then RMF CF Overview report should be provided. Here shouldn't be based on the minimum set, but the alive set.

Idea priority High
  • Guest
    Reply
    |     Mar 24, 2022 
    .RMF CF OVERVIEW Data can be viewed on an LPAR that was not down during the timeframe being reported

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