Deleting a Disk Copy of Unneeded Reports

Once a report is no longer needed for online viewing (or printing), it can be deleted from disk. The utility that performs this task is CTDDELRP.

CTDDELRP performs the following tasks:

• Deletes from the active User Report list all reports that meet the criteria specified to CTDDELRP.
• Deletes the CDAM datasets for the reports.
• Updates the History User Report list to indicate which reports were backed up. The backup mission writes the reports to tape (or cartridge) but does not delete the reports from disk. To eliminate unnecessary restores of reports that still reside on disk, reports remain in the active User Report list until they are deleted from disk by CTDDELRP. After reports are deleted from disk, restore requests are allowed for the backed up reports.

The Control-D JCL library contains member CTDDELRP. The supplied utility deletes all reports that have been printed and/or backed up (if requested) without waiting additional days. You can change the DAYS parameter to a different value. (For example, a value of 1 saves all reports on disk for 1 day after the day of creation.)

It is recommended that you run this utility once a day, preferably after all backups have finished executing.

However, for test purposes, it is desirable to run this utility more than once a day. After decollating a test report, it is frequently required to delete the report produced from disk. Sample JCL CTDDELR1 in the Control-D JCL library performs this task.

Additional parameters are optional. It is recommended that you review them.