Controlling restoring of individual data sets from dump tapes

You can control whether DFSMShsm can use copies of data sets on dump tapes to recover individual data sets. If you allow restoring of individual data sets from dump copies in a particular dump class, DFSMShsm selects the latest copy of the data set, whether it resides on a dump volume or a backup volume. If you do not allow restoring of individual data sets from dump copies in a particular dump class, DFSMShsm cannot select the data set from a dump copy in that class.

Because it is intended to use the later of the copies on either the dump volumes in dump class ONEWEEK or the backup volumes, change the DUMPCLASS parameter to the following in the ARCCMDxx member in each host:

DEFINE DUMPCLASS(ONEWEEK AUTOREUSE DATASETRESTORE)

Because the volumes in dump classes TWOWEEK and FOURWEEK will be sent to another site, you do not want to choose them for restoring data sets. Therefore, change the DUMPCLASS parameter for these two classes in the ARCCMDxx member in each host by issuing the following commands:

DEFINE DUMPCLASS(TWOWEEK NOAUTOREUSE -
NODATASETRESTORE)
DEFINE DUMPCLASS(FOURWEEK NOAUTOREUSE -
NODATASETRESTORE)

Note: The DATASETRESTORE keyword is not applicable to copy pool processing.