Did you mean after 30 days of nonuse or a flat 30 days? HSM will delete
a dataset without a backup if the appropriate fields in the management
class are set.
The DFSMSdfp Storage Administration Reference explains all of this. Also,
the storage group must be set correctly so that HSM is managing the
volumes.
Expire after days Non-usage ...... 31 Storage Group
or Auto Migrate ------- Y
Expire after Date/Dasys ...........31
Primary Days Non-usage ..... 1
Level 1 Days Non-usage ------ 0
Auto Backup ----------- N
Jim Kornmeyer
IBM Global Services - AT&T Account
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