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

CONTROL SAC Command
For M8xxx FCDMs connected to an FCSA, the CONTROL SAC command is used to issue commands
to disks connected to the SAC.
The syntax is:
CONTROL [ /OUT file-spec/ ]
SAC $ZZSTO.#sac-name, DEVICEID (shelf, bay)
[ , attribute-spec ] ...
OUT file-spec
directs all SCF output to the specified file.
#sac-name
is the name of the SAC in the form #FCSA.SAC-sac.GRP-group.MOD-module.SLOT-slot.
For example:
#FCSA.SAC-2.GRP-110.MOD-2.SLOT-5
DEVICEID (shelf, bay )
specifies the enclosure and disk to which the command applies:
Is the FCDM’s shelf number. shelf is in the range 1 through 4.shelf
Is the number of the disk within the enclosure. bay is in the range 1 through 14.bay
attribute-spec
is one or more “CONTROL SAC Attributes
CONTROL SAC Attributes
[ , BYPASS { OFF | ON } ]
[ , BYPASSBOTH { OFF | ON } ]
[ , LED { OFF | ON } ]
[ , SPINDOWN ]
[ , SPINUP ]
BYPASS { OFF | ON }
causes the specified disk to be bypassed (ON) or not bypassed (OFF) on the loop connected
to the SAC.
NOTE: Disk paths affected by BYPASS ON must already be in the STOPPED state, with a
substate of either DOWN or HARDDOWN.
BYPASSBOTH { OFF | ON }
causes the specified disk to be bypassed (ON) or not bypassed (OFF) on both loops.
NOTE: Disk paths affected by BYPASSBOTH ON must already be in the STOPPED state, with
a substate of either DOWN or HARDDOWN.
LED { OFF | ON }
turns the LED on the specified disk ON or OFF.
SPINDOWN
causes the specified disk to be spun down.
NOTE: Disk paths affected by SPINDOWN must already be in the STOPPED state, with a
substate of either DOWN or HARDDOWN.
CONTROL Command 247