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Galaxy GHDX-2422S-8+12F4D Installation and Hardware Reference Manual

Subsystem Monitoring Overview

3-2

how to activate the Configuration Client functionality are given in the

RAIDWatch User’s Manual.

• LEDs: Device status indicating LEDs are placed on all of the subsystem’s active

components. These LEDs inform you of the integrity of a given component or of

a given FC link. You should become familiar with the different LEDs that are

present on the subsystem and be aware of their functions.

• Audible alarm: An audible alarm is present on the subsystem controller board

and will be triggered if any of a number of threatening events occurs. These

events usually jeopardize the functional and operational integrity of the

controller board and must be heeded at all times. Events such as a breach of the

temperature threshold will trigger the alarm and if an onsite subsystem manager

is present, the manager should use either the LCD panel or the terminal station

to determine the cause of the alarm and take the appropriate corrective measures.

• I

C: Sensors and presence detect signals are implemented through an I

C serial

bus that is used to monitor the operational integrity of the cooling and PSU

modules; or collect data from temperature sensors (present/not present,

ready/fail, etc.).

Subsystem monitoring is a necessary part of subsystem management. When failure events

or other disruptive events are detected and reported, the subsystem manager must take the

appropriate action to rectify the problem. Failure to act in a properly specified manner to

a system event (such as overheating) can cause severe and permanent damage to the

subsystem.

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Rorke Data The Galaxy 65 Especificações Página 46