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Status Future consideration
Workspace IBM Z Decision Support
Created by Guest
Created on Mar 17, 2021

RELATED IDEAS

Please provide summary IzDS tables for critical components like DASD, CF etc

Please provide summary IzDS tables for critical components like DASD, CF etc.
We are currently using table MVSPM_DEVICE_H to retrieve DASD usage and response data. The data has one record per DASD device. A key metric for us is to have response and I/O counts at the storage group level and also at the control unit level. However, with the volume of data we have it takes a long time to summarize. Does the product already have some summarized tables containing this data? I see that there is MVSPM_STORCLASS_H which summarizes at the storage class level which is close to what we would need. Something like MVSPM_STORGROUP_H would be ideal.
Also, a separate table that summarizes at the DASD control unit level would be good.

The other example is for Coupling Facility. We are using KPMZ_CF_STRUCTR_H to retrieve data at the CF structure level. Again it would be good to have key metrics available already summarized at the Coupling Facility level. I see that there is KPMZ_CF_H, but that doesn't have all the fields that we would need. For example we would want to differentiate between synchronous and asynchronous request counts and service times.

Idea priority High
  • Guest
    Reply
    |     Aug 31, 2021

    We need a new table called MVSPM_STORGROUP_H which summarizes the DASD data at storage group level
    We need a new table called MVSPM_STORCNTL_H which summarizes the DASD data at control unit level
    Please add fields to differentiate synchronous and asynchronous request counts and also differentiate synchronous and asynchronous service times in table KPMZ_CF_H

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