Lenovo ThinkServer RD440 - Manual (Page 51)

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.
Chapter 3 . Product overview 39