Silicon Graphics Total Performance 9300, User Manual

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3: Operating Storage Enclosures
Table 3-1 describes the front indicator lights on the controller and expansion enclosures.
Rear Indicator Lights
This section describes the rear indicator lights for the controller and expansion
enclosures. Figure 3-3 shows the rear indicators on the expansion enclosure and the
RAID controller. Controller enclosures have RAID controller LEDs, but not ESM LEDs.
Table 3-1 Storage Enclosure Front Indicator Lights
Indicator Light Color Normal Operation
Problem
Indicator
Condition Indicated a
a. Always use the storage management software (TPSSM) to precisely identify a failure.
Drive activity indicator Green On, steady
On, blinking
b
b. The drive activity indicator blinks if data is being processed on the drives; otherwise, the indicator is on, steady.
Off No power to enclosure; no power to storage array;
drive not properly seated in drive enclosure; drive
not spun up.
Drive fault indicator Amber Off
On, blinking
c
c. The drive fault indicator blinks when the storage management software (TPSSM) is locating a drive, volume, or storage array. Otherwise, it
is off.
On, steady Drive failure; drive failed by user.
Global power indicator Green On Off No power to drive enclosure; no power to storage
array; power supply failure; overtemp condition.
Global fault indicator d
d. Not all enclosure component failures will turn this light on. See “Monitoring Status with Software” on page 88 for more information.
Amber Off On Enclosure component failure.