Most data sets can be restored to device types different from their original ones, as long as the track size of the new device is larger than any of the data set blocksizes. Migrations to larger devices therefore rarely present any problems. But the reverse often does; for example, moving from 3380s to 3350s. If this is the case, you should include sysparm REBLKBIT with a value of Y. This will allow CA Disk to reblock data sets to larger or smaller devices. You should note, however, that some data sets cannot be reblocked; for example, a RECFM=U data set.
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