Required Parameters

FILE(ddname)|{VOLUME(volser)+UNIT(unittype)|UNITNUMBER(devid)}

specifies the volume of a unit within the subsystem.

FILE(ddname)

specifies the name of a DD statement that identifies the device type and volume of a unit within the subsystem. For ddname, substitute the name of the DD statement identifying the device type.

VOLUME(volser)

specifies the volume serial number of a volume within the subsystem.

Abbreviation: VOL

UNIT(unittype)

specifies the unit type of the subsystem.

UNITNUMBER(devid)

is the MVS™ device number. The UNITNUMBER parameter is only accepted with the following:

DEVICE ON or OFF
SUBSYSTEM OFF
NVS OFF
DASDFASTWRITE ON or OFF or PENDINGOFF
DISCARDPINNED
REINITIALIZE
RESETTOSIMPLEX
CACHEFASTWRITE

Abbreviation: UNUM

Note: The UNITNUMBER parameter cannot be used for an online device in the “Intervention Required” state.