Infortrend A12U/A08U-G2421 User Manual download pdf (Page 24)

Chapter 1: Introduction

NOTE:

There are two values set for the upper temperature thresholds. One is set for event

notification and the other triggering higher fan rotation speed. The preset value

for event notification can be changed using the firmware-embedded configuration

utility, while the fan speed trigger is not a user’s option. Please refer to the

Generic Operation Manual for the options with event notification values.

1.3 Subsystem Monitoring

The SATA-based RAID subsystems come with a number of different monitoring

methods that provide you with continual updates on the status of the system and

individual components. The following monitoring features are included in the

subsystem.

1.3.1 I

C Bus

The following subsystem elements are interfaced to the RAID controller over a non-

user-serviceable I

C bus:

• Cooling fan modules

• PSUs

• Temperature sensors

1.3.2 LED Indicators

The following active components come with LEDs to indicate the status of the

individual components:

• RAID controller

• LCD panel

• Cooling fan module

• PSU module

• BBU module

• Drive trays

1.3.3 Firmware and RAIDWatch GUI

Firmware: The firmware is pre-installed software that is used to configure the

subsystem. The firmware can be accessed either through the LCD keypad panel or a

Subsystem Monitoring

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Infortrend A12U/A08U-G2421 User Manual Page 24