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Status Future consideration
Workspace z/OS
Categories DFSMS RMM
Created by Guest
Created on Jun 18, 2025

RELATED IDEAS

DFSMSrmm CDS extents notification

Currently when RMM CDS that is defined as extended format and multivolume, when it runs out of space on volume, even though it can be extended to another volume, following message is received based on CDSFULL parameter, default is 95%. If the CDS is able get another volume then this message is suppressed and customer can ignore. If CDS does have a candidate volume it can extend to then we should not be surfacing this message:


EDG2120W CDS THRESHOLD = threshold_value% REACHED - CDS IS percentage_value% FULL.


A better way to handle this would be what the Catalog component does. In catalog they have implemented it differently. Here you get a warning when it reaches a certain number of extents and it would make more sense to implement something similar for RMM that would be part of EDGRMMxx parameters.

Catalog has in IGGCATxx:

NOTIFYEXTENT(percent)

Specifies the percentage of the maximum extents possible for a catalog that is currently allocated. percent is a percentage number from 0-99. (You can omit leading zeros.) A percentage value of zero indicates that normal monitoring is suppressed and is reported as “None”. The default is 80. The setting specified is retained across catalog restarts, but not IPLs. If the allocated extent threshold exceeds the given threshold for any catalog, the system will issue message IEC361I for that catalog. If a catalog exceeds 90% utilization of the maximum extents, the system will issue message IEC361I even if the threshold has been set to zero (that is, no normal monitoring).

This is the warning message:

https://www.ibm.com/docs/en/zos/3.1.0?topic=messages-iec361i



Idea priority Medium

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