If you upgrade all of the tape drives in a library, you can preserve your existing policy
definitions to migrate and expire existing data, and you can use the new drives to store
data.
Before you begin
The following scenario assumes that you already have a primary storage pool for a DISK
device class that is named POOL1.
Procedure
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To migrate data to a storage pool that is created for the new drives, specify the
NEXTSTGPOOL parameter. For example, to migrate data from an existing storage
pool, POOL1, to the new storage pool, POOL2, issue the following command:
update stgpool pool1 nextstgpool=pool2
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Update the management-class definitions to store data in the DISK storage pool by using the
UPDATE MGMTCLASS command.