Backup/Archive › BACKUP Command › Deferred Requests

Deferred Requests

Requests to back up a data set can be deferred over a period of time until a batch DISPOSE run can be performed to process all requests deferred since the previous batch run. Use of this facility is desirable, in that a single backup tape mount is required instead of individual mounts for each data set.

A deferred request is made by adding the DEFER parameter to the BACKUP command.

Deferred backup requests are queued and kept in the ARCHCMDS subfile of the CA Disk FILES. After a queued request has been processed, its completion status is maintained for a default period of five days, after which time it is deleted automatically during the next DISPOSE run. Through the ISPF panels, the saved status can also be displayed online. Otherwise, the output from the DISPOSE run or a batch LISTREQ must be inspected to determine the outcome of processing for the request. See Sysparm DARCKEEPxxx to alter the default period for which the status is maintained in the ARCHCMDS file.