PAC STORAGE PS 4000 Gen2 Series, Руководство по оборудованию

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3-4 Chapter 3: System Monitoring
Rear Panel LEDs
•
Controller Status LEDs
Number LED Name Color/ Description
Status
Control
Status
A controller is operating normally.
•
A component has failed or inappropriate RAID
configurations cause system faults.
•
The controller is initializing.
CBM Status
•
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 and flash module is
missing.
The supercapacitor is charging.
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 to 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 is going on the host bus.
Restore
Default Successfully reset the controller after pressing and holding
the restore default button.