45
Controller LEDs
Name
Color
Status
1. Restore
default
Green
Lights up green
to indicate a successful reset.
2. Ctrl Status
Green
/
Amber
Green
indicates that a controller is operating
healthily.
Amber
indicates that a component failure has
occurred, or inappropriate RAID configurations have
caused system faults. It is also lit during the
initialization process.
3. Cache Dirty
Amber
Amber
indicates the following:
- Cache memory is dirty.
- Data is being flushed from flash backup module to
cache.
- Data is being flushed from flash backup module to
drive (when power is restored).
- Errors occurred with cache memory (ECC errors).
Blinking amber
indicates cached data is being
transferred to the flash module after the occurrence
of a power outage. Once the transfer is done, all
LEDs will turn off.
This signal is local to each controller.
OFF
indicates that the cache is clean.
4. Host Busy
Green
Blinking
green
to indicate traffic on the host bus.
