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CATDAYS System Option—Creation Date Retention Catalog Check

Use the CATDAYS system option to specify the number of days after creation before the z/OS catalog is checked for retention by TRS for catalog controlled volumes.

This system option has the following format:

CATDAYS=n
n

Specifies the number of days after creation that the z/OS catalog is checked for retention by TRS for cataloged controlled volumes.

Default: 1

Important! Specifying 0 (zero) may result in premature scratching of tapes during Tape Retention System execution if the data set has been closed, but not yet cataloged.