SCF Reference Manual for the Storage Subsystem (G06.28+, H06.05+, J06.03+)

PRIMARY [ / OUT file-spec / ] SUBSYS $ZZSTO
, cpunumber , { AWAY | DEFAULT }
OUT file-spec
directs all SCF output to the specified file.
SUBSYS $ZZSTO
is the storage subsystem manager.
cpunumber
is the processor number of the processor that you want to move storage subsystem IOPS into
or away from.
AWAY
specifies that all storage subsystem IOPs currently running their primary processes in cpunumber
be moved away from that processor.
DEFAULT
specifies that all running storage subsystem IOPs that are configured with cpunumber as their
PRIMARYCPU be moved into that processor, and that all running storage subsystem IOPs that
are configured with cpunumber as their BACKUPCPU be moved away from that processor.
PRIMARY SUBSYS Examples
• To move all storage subsystem IOPs in the group 02 topology branch away from processor
3:
-> PRIMARY SUBSYS $ZZSTO, 3, AWAY
• To move all storage subsystem IOPs configured with PRIMARYCPU 2 to that processor:
-> PRIMARY SUBSYS $ZZSTO, 2, DEFAULT
PRIMARY TAPE Command
The PRIMARY TAPE command switches the primary and backup processors for the specified tape
drive. The current primary process becomes the backup process, and the current backup process
becomes the primary process, but the PRIMARYCPU and BACKUPCPU values stay the same. The
syntax is:
PRIMARY [ / OUT file-spec / ] TAPE $tape [ , cpunumber ]
Wild-card characters are supported.
TAPE $tape
is the name of the tape device.
cpunumber
is the processor number of the processor that is to become the primary processor. This decimal
integer must identify one of the two processors configured as primary and backup processors
for the device. If you do not specify a processor number, the storage subsystem manager
determines which processors are currently being used for the primary process and backup
process and swaps those processors. If you specify the processor number of the current primary
processor, no change occurs.
PRIMARY TAPE Examples
• To move the primary tape process to processor 3:
-> PRIMARY $TAPE0, 3
• To swap the primary and backup processors:
PRIMARY Command 267