64
Rear Panel LEDs
•
Controller LEDs
Number LED name Color
Description
Cache Dirty
•
Cache memory is dirty.
•
Data in flash backup module is flushed to the cache.
•
Errors occurred with cache memory (ECC errors).
• Data is flushed from flash backup module to drive
when the power is restored.
•
The supercapacitor temperature reading is abnormal
(out of 0 - 35°C range).
•
The supercapacitor is not present.
The cached data is being transferred to the flash module
after a power outage. Once the transfer is done, all LEDs
will turn off. This signal is local to each controller.
OFF
The cache is clean and the supercapacitor can sustain the
memory in case of power loss.
Host Busy
Traffic going on the host bus.
Control
Status
A controller is operating normally.
•
A component has failed or inappropriate RAID
configurations caused system faults.
•
The controller is initializing.
CBM Status
•
Both supercapacitor and flash modules are installed
in the system.
•
The CBM is ready for operation.
•
The CBM failed in operating, either the
supercapacitor or flash module.
•
Either the supercapacitor or the flash module is
missing.
The supercapacitor is charging.
Restore
Default
Successfully reset the controller after the press and hold
the Restore Default button.
