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HSG80 Array Controller V8.7 Command Line Interface Reference Guide
2–85
POWEROFF
•
Specify OVERRIDE_BAD_FLUSH to override a failed cache flush and power
O
FF
the enclosure.
•
Specify NO_OVERRIDE_BAD_FLUSH to prevent a power O
FF
when the
cache flush fails.
SECONDS=nn
When the POWEROFF command is entered, all disk units in the enclosure are set
to write-through. When the time interval, as represented by nn seconds, has
elapsed, an orderly rundown of all units is started. When all units in the enclosure
are successfully rundown, the enclosure power is turned O
FF
. Table 2–2 shows
what action is taken depending on the switch settings and the results of the
attempted flush.
CAUTION: If the BATTERY_OFF switch is used with the OVERRIDE_BAD_FLUSH
switch, unwritten data could be lost. Do not power off the subsystem until the unwritten
data has been recovered.
Table 2–2: POWEROFF Switch Settings
Battery
Switch
Override Switch
Flush
Results
Action
BATTERY_ON
OVERRIDE_BAD_FLUSH
Success
Controller and units in the
enclosure shut down and the ECB
charger remains O
N
.
BATTERY_ON
OVERRIDE_BAD_FLUSH
Failure
Controller and units in the
enclosure shut down and the ECB
charger remains O
N
.
BATTERY_ON
NO_OVERRIDE_BAD_FLUSH
Success
Controller and units in the
enclosure shut down and the ECB
charger remains O
N
.
BATTERY_ON
NO_OVERRIDE_BAD_FLUSH
Failure
Nothing is shut down, the ECB
charger remains O
N
, and the user
is notified of a bad flush.
BATTERY_OFF
OVERRIDE_BAD_FLUSH
Success
Controller and units in the
enclosure shut down and the ECB
charger turned O
FF
.
BATTERY_OFF
OVERRIDE_BAD_FLUSH
Failure
Controller and units in the
enclosure shut down and the ECB
charger turned O
FF
.