HP AE326A HP StorageWorks 1500 Modular Smart Array maintenance and service gui - Page 23

Controller LEDs, During normal runtime

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Controller LEDs During normal runtime, the array controller has 18 LEDs that indicate controller activity or malfunction. 123456 7 8 9 18 17 16 15 14 13 12 11 10 Item Name 1 Drive failure 2 Cache activity 3 SCSI bus 1 activity 4 SCSI bus 0 activity 5 Logical I/O activity Condition On On Off Blinking On On On 6 Direct Memory Access (DMA) activity 7 Active/Standby 8 Heartbeat 9 Fault On On Off Blinking On (amber) 10 Redundancy active On (green) 11-13 Busy status - These On three LEDs are used to progressively represent the Off processing load on the controller. 14-18 Fibre Channel ID - 15588 Meaning A configured hard drive has failed. Cache active. No cache activity. Cache transfer pending. Activity on the bus. Activity on the bus. Currently processing logical requests from the host adapter. DMA transfers are active. This controller is active. This controller is standby. The controller is functioning properly. An error message has been sent to the controller LCD display panel. The two controllers and the two Fibre Channel I/O modules are in a redundant mode of operation. The controller is idle. The controller is operating at full capacity. Indicates the 5-bit Arbitrated Loop Physical Address (ALPA) assigned to this array controller (not applicable in fabric mode). maintenance and service guide 23

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Controller LEDs
During normal runtime, the array controller has 18 LEDs that indicate controller activity or malfunction.
12
11
10
1
3
14
15
16
17
1
8
7
8
9
6
5
4
3
2
1
15588
Item
Name
Condition
Meaning
1
Drive failure
On
A con
fi
gured hard drive has failed.
On
Cache active.
Off
No cache activity.
2
Cache activity
Blinking
Cache transfer pending.
3
SCSI bus 1 activity
On
Activity on the bus.
4
SCSI bus 0 activity
On
Activity on the bus.
5
Logical I/O activity
On
Currently processing logical requests from
the host adapter.
6
Direct Memory Access
(DMA) activity
On
DMA transfers are active.
On
This controller is active.
7
Active/Standby
Off
This controller is standby.
8
Heartbeat
Blinking
The controller is functioning properly.
9
Fault
On (amber)
An error message has been sent to the
controller LCD display panel.
10
Redundancy active
On (green)
The two controllers and the two Fibre
Channel I/O modules are in a redundant
mode of operation.
On
The controller is idle.
11–13
Busy status — These
three LEDs are used to
progressively represent the
processing load on the
controller.
Off
The controller is operating at full capacity.
14–18
Fibre Channel ID
—
Indicates the 5–bit Arbitrated Loop Physical
Address (ALPA) assigned to this array
controller (not applicable in fabric mode).
maintenance and service guide
23