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About Your System 17
Figure 1-3. Physical Disk Carrier LED Indicators
1 activity LED 2 status LED
Table 1-3. Physical Disk Carrier Status LEDs
Status LED Description
Off Physical disk not yet discovered by host server or an
unsupported disk is present
Steady green Physical disk is online
Green flashing (250 milliseconds
[ms])
Physical disk is being identified
Green flashing
On 400 ms
Off 100 ms
Physical disk rebuilding
Amber flashing (125 ms) Physical disk failed
Flashing green, amber, and off Physical disk failure predicted (SMART)
Green 3 seconds, amber
3 seconds, and off 3 seconds
Physical disk rebuild aborted
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