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Obtain Return Codes

The following return codes are returned from the system obtain routines. It is a list of the most common return codes encountered. For a complete list of codes, see the IBM DASD Management for Systems Programmers Guides.

CADisk uses the SYSTEM OBTAIN function to read data set information from volume VTOC entries. If the message issued contains DSNAME and VOLUME information, it pertains to the data set for which CADisk was trying to retrieve the entry. If no DSNAME and VOLUME information is supplied, CADisk was probably trying to get the next entry from the VTOC.

4

The volume for which the obtain was issued is not online to the system.

8

The format-1 DSCB to be obtained from the VTOC did not exist.

12

A permanent I/O error was found when processing the specified volume.

16

Invalid work area pointer. Contact CA Technical Support for assistance.

The VTOC entries returned from obtain are format-1 DSCBs. They contain information about where data sets exist on the volume, how many extents they use, and what type of data sets they are.