SCF Reference Manual for the Storage Subsystem (G06.27+, H06.04+)

Storage Subsystem Commands
SCF Reference Manual for the Storage Subsystem—529937-008
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CONTROL SAC Command
BYPASS { OFF | ON }
causes the specified disk to be bypassed (ON) or not bypassed (OFF) on the loop
connected to the SAC.
BYPASSBOTH { OFF | ON }
causes the specified disk to be bypassed (ON) or not bypassed (OFF) on both
loops.
LED { OFF | ON }
turns the LED on the specified disk ON or OFF.
SPINDOWN
causes the specified disk to be spun down.
SPINUP
causes the specified disk to be spun up.
CONTROL SAC Examples
This command turns on the LED for disk 13 in enclosure 1 connected to SAC 2:
-> CONTROL SAC $ZZSTO.#FCSA.SAC-2.GRP-110.MOD-2.SLOT-5, &
-> DEVICEID (1,13), LED ON
This command bypasses disk 12 in enclosure 4 on the Fibre Channel loop connected
to SAC 1:
-> CONTROL SAC $ZZSTO.#FCSA.SAC-1.GRP-110.MOD-2.SLOT-5, &
-> DEVICEID (4,12), BYPASS ON
Note. Disk paths affected by BYPASS ON must already be in the STOPPED state, with a
substate of either DOWN or HARDDOWN.
Note. Disk paths affected by BYPASSBOTH ON must already be in the STOPPED state,
with a substate of either DOWN or HARDDOWN.
Note. Disk paths affected by SPINDOWN must already be in the STOPPED state, with a
substate of either DOWN or HARDDOWN.