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HP StorageWorks 1000 Modular Smart Array User Manual

Page 25

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MSA1000 Controller

25

MSA1000 Controller User Guide

Table 2: MSA1000 Controller Indicator Descriptions

Indicator

Function

Description

0

-2

Busy status

These three LEDs are used to

progressively represent the processing

load on the controller.
ON = the controller is idle.
OFF = the controller is operating at full

capacity.

3

-7

Fibre Channel ID

Indicates the 5-bit Arbitrated Loop

Physical Address (ALPA) assigned to this

array controller (not applicable when in

fabric mode).

8

Idle Heartbeat

Indicates the controller is idle and

functioning.

9

Active/Standby

ON=Controller is active.
OFF=Controller is in standby.

-

Direct Memory Access

(DMA) active

ON = DMA transfers are active.

q

Logical I/O active

ON = Currently processing logical

requests from the Host Adapter.

w

SCSI Port A (SCSI Bus 2)

ON = Indicates requests are outstanding

on the first SCSI bus.

e

SCSI Port B (SCSI Bus 3)

ON = Indicates requests are outstanding

on the second SCSI bus.

r

Cache Activity

ON = Cache active.
OFF = No cache activity.

Blinking = Cache transfer pending.

t

Drive failure

ON = A configured hard drive has

failed in the array.

@

Redundancy Active

Green indicates two controllers are in a

redundant mode of operation.

A

Fault

Amber indicates an error message has

been sent to the controller display.