IDIS subsystem requirements for deletion of migrated tightly-coupled associated dump data sets

Deletion of migrated tightly-coupled associated dump data sets is performed via a spawned BPX batch region. This is done to avoid potential performance issues.

The IDIS subsystem creates, and subsequently deletes, a "dummy" file in the path determined in the following order:

1. Specified via the IDIJLIB DD statement (for details, see Specifying an IDIJLIB DD statement).
2. The OMVS segment home path for the IDIS subsystem user ID (see OMVS home path).
3. /tmp

If unsuccessful in using any of these paths, message IDI0192I is issued.