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UNIT parameter z/OS MVS JCL Reference SA23-1385-00 |
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Parameter Type: Keyword, optional Note: With SMS, you do not need to use the UNIT parameter to specify a device for an SMS-managed
data set. Use the STORCLAS parameter (described in ) or let an installation-written
automatic class selection (ACS) routine select a storage class for
the data set.
Also with SMS, for a non-SMS-managed data set, if your storage administrator has set a system default unit under SMS, you do not need to specify UNIT. Check with your storage administrator. Purpose: Use the UNIT parameter to ask the system
to place the data set on:
The UNIT parameter can also tell the system how many devices to assign and request that the system defer mounting the volume until the data set is opened. |
Copyright IBM Corporation 1990, 2014
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