Changing the unit name

You can specify any valid unit name, using an eight-character patch. (If the name is less than 8 characters, include one or more trailing blanks.) An example:

PATCH .MCVT.+200 '3390    ' VERIFY(.MCVT+200 'SYSALLDA')
                            /* Unit name for ODS allocation */

DFSMShsm uses a default unit name of SYSALLDA.

Note:

If you use the OUTDATASET option for this PATCH command, the patch does not affect that allocation.
The PATCH command does not verify that the unit name is valid on your system.