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Status Future consideration
Workspace z/OS
Categories SMP/E
Created by Guest
Created on Sep 27, 2021

Change space units for GIMUNZIP new allocation

After installing z/OS V2R5 via z/OSMF ServerPac PSI, the target and distribution non-VSAM data sets (PDS and PDSE) were allocated by "bytes" unit instead of traditional "tracks" or "cylinders", which made it difficult to measure the size of data sets.

For example, ISPF OPT3.4 "Data Set Information" panel displays the following very large values for SYS1.LINKLIB data set.

1st extent bytes . : 233029632
Secondary bytes . . : 854016
Current Allocation
Allocated bytes . . : 246,300,672
Current Utilization
Used bytes . . . . : 197,197,824

The space units used by GIMUNZIP when allocating a new data set should be changed from "bytes" to "tracks" or "cylinders". In other words, the same units as the original data set that was archived by GIMZIP should be used if it's "tracks" or "cylinders".

Idea priority High