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Chapter 3: Management
23
Disk Drive LEDs
There are two LEDs on each drive carrier. They report the presence of a disk
drive, activity of the drive, and the drive’s current condition.
Figure 3. VessJBOD drive carrier LEDs
If there is a disk drive in the carrier, the Power/Activity LED displays green. If not,
the Power/Activity LED remains dark. The Power/Activity LED flashes during
drive activity.
The Disk Status LED displays green when a drive is configured.
If there is a disk drive in the carrier, the Power/Activity LED displays green. If not,
the Power/Activity LED remains dark.
The Power/Activity LED flashes during drive activity.
The RAID subsystem controls the Disk Status LED behavior. With a VessRAID,
the Disk Status LED displays green when a drive is configured.
See the table on the next page.
LEDs
State
Dark
Green
Amber
Red
Blinking
Fan
Not
detected
OK
One fan
turning too
slowly
Multiple
fans turning
too slowly
—
SAS Ports
No
connection
Port
connected
—
—
Green:
Activity
Disk Status
Power/Activity
Disk Status
Power/Activity
Plus carrier
Original carrier