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

Responses
Messages
v Create a CPCACHE FILES file on the minidisk before you enter the
CPACCESS command. The CPCACHE FILES file should contain the file
names and file types of the frequently used files.
See “CPCACHE” on page 83, for more information on caching files.
4. Use the CPRELEASE command to release a disk that you have accessed using
the CPACCESS command. For more information, see page “CPRELEASE” on
page 92.
5. Many users can link to a minidisk. We strongly recommend that you do not use
the CPACCESS command to identify a minidisk to CP when some other user
has write access to that minidisk. After accessing the minidisk, CP creates in
memory a directory of all the files on that minidisk. If someone updates a file on
that minidisk, CP is no longer maintaining a current directory and the results can
be unpredictable. If you need to update a file on a disk that CP is accessing,
use the CPRELEASE command to release the disk before you update the file.
6. CPACCESS accesses a minidisk for CP to read from. If you need to change a
file on that disk, you must link and access the disk first.
7. If your virtual machine has privilege class A or E and can access a
CP-accessed minidisk in read mode, you can use the CPTYPE command to
look at the contents of a file on that disk. You do not have to link to the disk;
you only need to have the capability to do so without a password. For more
information, see “CPTYPE” on page 95.
8. If the volume that contains the minidisk is under CSE cross system link
protection, CP performs all CSE processing.
9. The use of the stable and exclusive link modes (SR, SW, SM, ER, EW) is
controlled by the LNKSTABL and LNKEXCLU options on the OPTION directory
control statement. For more information about the OPTION statement, see the
z/VM: CP Planning and Administration.
Response 1:
If you specify the SYNCHRONOUS operand, you see something like:
cpaccess oper1 06dc b sr synchronous
OPER1’s 06DC accessed in mode B
Ready;
Response 2:
HCP002E Invalid operand - operand
If you specify the ASYNCHRONOUS operand or you choose it as the default by
specifying nothing, you see something like:
cpaccess oper1 06dc b sr
CPACCESS request for mode B scheduled
Ready;
CPACCESS request for OPER1’s 06DC in mode B completed
HCP003E Invalid option - command contains
extra option(s) starting with operand
HCP007E Invalid userid - userid
HCP046E DASD rdev offline
CPACCESS
HCP101E DASD vdev forced R/O; R/O by {nnnn
users|userid}[; stable by {nnnn
users|userid}]
Chapter 2. CP Commands 81