EonStor DS S48 Series Hardware Manual
4.3
Controller LEDs
4.3.1
Controller LED for RAID Models
Designation
Color
Status
1. Ctrl Status
Green
/
Amber
Green
indicates that a RAID 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.
2. C_Dirty
Amber
Amber
indicates the following:
- Cache Memory is dirty.
- Data in flash backup module is being flushed to
cache.
- Errors occurred with cache memory (ECC errors).
- Data is being flushed from flash backup module to
drive (when power is restored).
- Battery voltage is lower than 2.5V.
- Battery temperature reading is abnormal (out of the
0 to 45°C range).
- Battery is not present.
OFF
indicates that the cache is clean, and that the
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