Adaptec FS4500 User Guide - Page 36

APC Module LEDs, Color and Condition of LED 2, Green, Amber, Status Indicated, Drive Status, Interface

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Monitoring Table 3-3 Drive Carrier LED 2 (Bicolor LED) Color and Condition of LED 2a Green Amber Status Indicated Off Off No drive present. On Off Drive present. Slow blink Off Drive spinning down. Fast blink Off Drive being identified, or drive has spun down. Off Fast blink Drive failed. a When Drive Carrier LED 2 is illuminated or blinking, LED 2 on the front panel of the Storage Enclosure is also illuminated, indicating a shelf fault. (See Table 3-1 on page 3-3.) Table 3-4 Drive Carrier LED 3 Interface U320 SCSI (SC4100) FC (FC4100) SATA (FS4100 or FS4500) Spin Up On Blinking Off Drive Status Online I/O Activity Off On (briefly) On Off (briefly) On Off (briefly) APC Module LEDs Each APC module has two LEDs, which are visible from the rear of the Storage Enclosure, as shown in Figure 3-3: Yellow LED = APC Fault Figure 3-3 APC Module LEDs Green LED = APC OK 3-5

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3-5
Monitoring
APC Module LEDs
Each APC module has two LEDs, which are visible from the rear of
the Storage Enclosure, as shown in
Figure 3-3
:
Figure 3-3
APC Module LEDs
Table 3-3
Drive Carrier
LED 2
(Bicolor LED)
Color and Condition of LED 2
a
Green
Amber
Status Indicated
Off
Off
No drive present.
On
Off
Drive present.
Slow blink
Off
Drive spinning down.
Fast blink
Off
Drive being identified, or drive
has spun down.
Off
Fast blink
Drive failed.
a
When Drive Carrier LED 2 is illuminated or blinking, LED 2 on the front panel of
the Storage Enclosure is also illuminated, indicating a shelf fault. (See
Table 3-1 on
page 3-3
.)
Table 3-4
Drive Carrier
LED 3
Drive Status
Interface
Spin Up
Online
I/O Activity
U320 SCSI (SC4100)
On
Off
On (briefly)
FC (FC4100)
Blinking
On
Off (briefly)
SATA (FS4100 or FS4500)
Off
On
Off (briefly)
Green LED = APC OK
Yellow LED = APC Fault