Operating System File Limitations
Some operating systems impose a limit on the number of files that can be accessed within a single job step. Except when exploiting extended file support in z/OS, the limit for a central version is the same as that for a batch job and so there are no special considerations involved in recovery.
Extended File Support
CA IDMS has extended the number of files that can be accessed by a central version in a z/OS operating system to exceed that which can be accessed by a batch job step. While useful, this capability may impact manual recovery.
Extended File Support and Manual Recovery
Under rare circumstances, it may be necessary to recover more files than can be accessed by a single batch job step. If this occurs, it will be necessary to split the recovery operation into multiple job steps each of which recovers a subset of the areas, files or segments within the DMCL. Each job step can access up to 3273 files.
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