z/VM: CP Commands and Utilities Reference - z/VM - IBM

dev CACHE deactivated for device
Delayed Response If the cache is not deactivated immediately, the following
response is displayed when you enter SET CACHE DEVICE OFF:
Command started: SET CACHE DEVICE OFF rdev.
When the cache is deactivated, the following response is issued:
rdev CACHE deactivated for device
Under certain circumstances, it is possible that a cache storage subsystem does
not notify CP when it has completed deactivating the cache. When this occurs, the
appropriate command response cannot be generated. Under these circumstances,
command processing ends after generating the following response:
Command results lost: SET CACHE DEVICE OFF rdev.
In this case the QUERY CACHE command can be issued to determine the state of
the cache.
If errors occur during the asynchronous processing of the command which prevent
the successful completion of the command, the following response is displayed:
Command failed: SET CACHE DEVICE OFF rdev.
rdev
is the real device number of a specified device for which the subsystem cache
is available.
Response to System Operator If the originator of the command is not the system
operator, the following response is issued to the system operator and is also
repeated for each device specified on the command line.
rdev CACHE was deactivated for device by userid.
rdev
is the real device number of a device for which caching has been deactivated.
userid
is the ID of the user who issued the command.
Response 3:
Immediate Response If the subsystem cache is made available immediately, the
following response is repeated for each unique subsystem that is associated with
the devices specified when you enter SET CACHE SUBSYSTEM ON:
rdev CACHE available for subsystem
rdev
is the real device number of a specified device for which the subsystem cache
has been activated.
Delayed Response If the cache is not made available immediately, the following
response is displayed when you enter SET CACHE SUBSYSTEM ON:
Command started: SET CACHE SUBSYSTEM ON rdev.
When the cache is made available, the following responses are issued:
rdev CACHE available for subsystem
SET CACHE
Under certain circumstances, it is possible that a cache storage subsystem does
not notify CP when it has completed making the cache available. When this occurs,
Chapter 2. CP Commands 1197