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Dell PowerEdge RAID Controller 11 User’s Guide PERC H755, H750, H355, and H350 Controller Series

Drive indicator codes

The LEDs on the drive carrier indicates the state of each drive. Each drive carrier has two LEDs: an activity LED (green) and a status LED (bicolor, green/amber). The activity LED blinks whenever the drive is accessed.

Figure 1. Drive indicators
This image shows the drive indicators.
  1. Drive activity LED indicator
  2. Drive status LED indicator
  3. Drive capacity label

If the drive is in the Advanced Host Controller Interface (AHCI) mode, the status LED indicator does not power on. Drive status indicator behavior is managed by Storage Spaces Direct. Not all drive status indicators may be used.

Table 1. Drive indicator codesThe Hard drive indicator codes table describes the indicator codes: flashing green, steady green, and amber.
Drive status indicator code Condition
Blinks green twice per second The drive is being identified or preparing for removal
Off The drive is ready for removal
NOTE: The drive status indicator remains off until all drives are initialized after the system is powered on. Drives are not ready for removal during this time.
Blinks green, amber, and then powers off There is an expected drive failure
Blinks amber four times per second The drive has failed
Blinks green slowly The drive is rebuilding
Solid green The drive is online
Blinks green for three seconds, amber for three seconds, and then powers off after six seconds The rebuild has stopped

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