Allocate a Data Set

If the data set you specified is an existing one, you do not need to allocate it. If it is a new data set, you do need to allocate it. "Yes" is the default.

If you want to have SMS manage the data set, check the "SMS-managed" option. An "SMS-managed data set" is defined as a data set that has a storage class assigned. A storage class is assigned when the installation-written ACS routine selects a storage class for the new data set.

You can find more detailed help on the following elements of this window:

Primary cylinders

Secondary cylinders

SMS-managed data set

Not SMS-managed data set