IBM Z Software


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Status Submitted
Workspace Test Accelerator for Z
Categories On-Demand Environments
Created by Guest
Created on Dec 30, 2025

RELATED IDEAS

Optimize SYSRES Volume Build Capacity

Currently, the  ODE process for building SYSRES volumes requires a full volume snapshot of the source system. For example, in JPMC, the SS60 build scenario results in a storage requirement of 17.4 TB on both the Storage Server and the target VM. This approach is resource-intensive and leads to:

  • High storage consumption.
  • Longer build times.
  • Increased operational overhead for resyncing files when edits occur.

The full-volume snapshot approach is inefficient because not all datasets on the source volume are required for the SYSRES component build. JPMC is requesting a way to reduce capacity requirements by including only the datasets necessary for the SYSRES build.

Requested Enhancement:
Introduce functionality in ODTz (or related tooling) to:

  • Cap the capacity for SYSRES Volume builds based on the actual datasets needed, rather than the entire volume.
  • Provide an option or automated logic to identify and extract only required datasets for system boot and operation.
  • Ensure compatibility with existing JES2 and PARMLIB customization processes.
Idea priority Low

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