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

LOCATE RDEV
Messages
Note: If there is an asterisk (*) in a response field, there is no information for that
field.
Dev shows the real device number.
RDEV shows the address of the corresponding real device block.
CPVOL
shows the address of the system volume list entry.
VEXBK
shows the address of the volume extent block, which contains information
on all the extents on a CP-owned volume.
RSPBK
shows the address of the real spool device block.
SPFBK
shows the address of the spool file control block.
Response 2:
To locate the address of the real device block for the specified device, enter:
locate 0100
RDEV
07B1A3C8
Ready;
Response 3:
To locate the address of the real device block for the specified device, enter:
locate 0a01
RDEV CPVOL VEXBK
07AF05A8
Ready;
07B1CB30 07B6A02C
It also shows there are two control blocks (CPVOL and VEXBK) associated with this
real device block, and it gives their addresses.
Response 4:
To locate the address of the real device block for the specified device, enter:
locate 0e0e
RDEV RSPBK SPFBK
07ADC1E8 07AA40E8 0760BB68
Ready;
It also shows there are two control blocks (RSPBK and SPFBK) associated with this
real device block, and it gives their addresses.
HCP003E Invalid option - command contains
extra option(s) starting with option
HCP009E Invalid range - range
HCP021E A real device number was not
specified or it is invalid.
544 z/VM: CP Commands and Utilities Reference
HCP026E Operand missing or invalid
HCP6720I No items found to satisfy selection
criteria.