Hot-swap hard-disk-drive status leds – Lenovo ThinkServer RD440 User Manual
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Hot-swap hard-disk-drive status LEDs
Each hot-swap hard disk drive has two status LEDs on the front.
Figure 23. 3.5-inch hot-swap hard-disk-drive status LEDs
Figure 24. 2.5-inch hot-swap hard-disk-drive status LEDs
1
Hard-disk-drive activity LED
2
Hard-disk-drive RAID status LED
Description
Off
Off
The hard disk drive has failed or is
not present.
On, green
Off
The hard disk drive is present but not
in use.
Blinking, green
Off
The hard disk drive is active and data
is being transferred.
On, green
Blinking rapidly (about four flashes
per second), amber
The RAID controller is identifying the
hard disk drive.
On, green
On, amber
The RAID array has failed and cannot
be recovered. You need to recreate
an array.
Blinking, green
Blinking slowly (about one flash per
second), amber
The hard disk drive is being rebuilt.
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