CA Disk Data Storage Command Language (DSCL) provides a comprehensive palette of commands for efficient, common processing of mixtures of non-VSAM data sets and VSAM clusters.
Within a single execution you can report on, back up, archive, delete, expire, move, copy, and release idle space in non-VSAM data sets and VSAM clusters. You can do this based on scans of VTOCs of disk volumes, scans of ICF, VSAM or explicitly named OS CVOL catalogs, or the results of a catalog superlocate.
You also have a multiple set of criteria to select data sets for, and exclude data sets from, processing as desired. A multiple set of action parameters lets you control exactly what is done to these data sets.
CA Disk preprocesses your command stream to find any overlapping requests, that is, those that request processing of the same volumes or catalogs. Such requests are grouped together to allow all needed actions to be performed during a single pass of volume VTOCs, catalogs, or catalog superlocates.
The functions Sequential Migrate to Tape, Merge, Xcopy, Recover, Restore, and PDS Compression continue to use their own unique command sets.
To avoid unexpected execution of partially bad command strings, the DMS procedure takes no action until all commands have been successfully understood, and all sysparm overrides have been validated.
To allow for sorted reports, the DMS proc has separate process, sort and print steps.
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