Intel® Server System M50CYP2UR Family System Integration and Service Guide
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Table 3. SAS/SATA/NVMe* Drive Status LED States
Amber
LED State
Drive Status
Off
No access and no fault
Solid on
Hard drive fault has occurred
1 Hz blinking
RAID rebuild in progress
2 Hz blinking
Locate (identify)
Note:
These LED states are only supported with a supported RAID configuration. Non-RAID or unsupported
RAID configurations will not have these LED states.
Table 4. Drive Activity LED States
Green
Condition
Drive Type
LED Behavior
Power on with no drive activity
SAS/NVMe*
LED stays on
SATA
LED stays off
Power on with drive activity
SAS/NVMe*
LED blinks off when processing a command
SATA
LED blinks on when processing a command
Power on and drive spun down
SAS/NVMe*
LED stays off
SATA
LED stays off
Power on and drive spinning up
SAS/NVMe*
LED blinks
SATA
LED stays off
Note
: The drive activity LED is driven by signals from the drive itself. Drive vendors may choose to operate
the activity LED different from what is described in the above tables. If the activity LED on a given drive type
behaves differently than what is described, customers should reference the drive vendor specifications.
Refer to the specific drive model to determine the expected drive activity LED operation.
