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

Messages
userid
identifies the owner of an active minidisk on the device being queried.
vdev
identifies the owning device number of an active minidisk on the device being
queried.
Response 6:
The following response is issued for each device when you specify QUERY
MDCACHE MDISK vdev or QUERY MDCACHE MDISK vdev-vdev. The first
ON/OFF for each minidisk indicates whether caching is currently enabled for the
minidisk. The information in parenthesis indicates the cache setting for the minidisk,
provides minidisk owner information, and indicates the cache setting for the real
device. The minidisk and real device settings combine to indicate the current cache
eligibility of the minidisk.
DASD ivdev MDCACHE {ON } ({ON } for userid ovdev; {DFLTON }
{OFF} {OFF } {DFLTOFF}
{DEFAULT} {OFF }
Continued:
for DASD rdev) [recordmdc enabled]
ivdev
is the vdev from the command line whose minidisk cache status is provided.
When the DIRECTORY option is specified, ivdev is with respect to the directory.
When DIRECTORY is not specified, ivdev is with respect to the user
configuration specified or implied on the command line.
userid
identifies either the user whose directory entry has the MDISK statement for this
minidisk or the user who issued the DEFINE command that defined the
minidisk. This is the userid that 'owns' the minidisk.
ovdev
identifies the device number from either the MDISK statement or as specified
on the DEFINE command. This is the vdev from the perspective of the owning
userid.
rdev
identifies the real device on which the virtual device resides.
recordmdc enabled
indicates that record level caching rather than normal full track caching is active
for this minidisk.
Response 7:
The following response is issued when you specify QUERY MDCACHE INSERT
USERID userid or the class G command QUERY MDCACHE INSERT.
Minidisk cache inserts {ON } for userid
{OFF}
QUERY MDCACHE
userid
identifies the userid whose ability to insert into the cache is being queried.
Chapter 2. CP Commands 869