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Status Under review
Workspace IBM Z Performance and Capacity Analytics
Created by Guest
Created on Apr 22, 2025

RELATED IDEAS

Add detailed information for MVS_DASDTAPE IZPCA table

I would like to collaborate with you on a request to incorporate VTOC details into the MVS_DASDTAPE IZPCA table.

The team is currently working on initiatives to add detailed TAPE and DASD VTOC information into our observability platform). The MVS_DASDTAPE IZPCA table could provide this information, but there is a significant issue with how the data is displayed: DCOLLECT reports detailed information for each dataset, whereas the IZPCA table summarizes the information at the project level using the lookup table for High-Level Qualifier (HLQ) and Secondary Level Qualifier (SLQ). Consequently, we are unable to perform key activities such as block size optimization and generating lists of datasets for each category (e.g., lastref, overallocate) from the standard IZPCA tables.

Attached to this request  you may see what is being used as a homegrown table.

'MVS_DASDTAPE.TXT'
'MVS_DASDTAPE.TXT'
 'MVS_DASDTAPE.TXT'
Open full size
Idea priority Urgent
  • Guest
    Jan 26, 2026

    The DCOLLECT data source provides several "detail inventory" and "configuration settings", easily identified based on the RECORD-TYPE generated, also to optionally include DFHSM MCDS, BCDS, and other environment settings and conditions data-records -- all of which are key / important for IBM z/OS storage (DASD, DFHSM, SMS-config) analysis, problem-detection, and detail / summary reporting and charting.

    Users that have IzPCA as their framework-standard for IBM z/OS performance, capacity, audit/compliance, accounting / cost-allocation, exception analysis need to have both DETAIL- and SUMMARY-level tables for each of the DCOLLECT data source record types -- also, to consider scalability with the IzPCA / legacy-TDSz (DB2-based) high-volume (e.g., 10+ million datasets) batch processing.

    Other similar IBM Z analysis/reporting tools, such as BROADCOM MICS, MERRILL MXG handle these conditions with success - looking for similar functionality with IzPCA, please.

    Scott Barry
    SBBTech LLC
     

    Reply

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