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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
2
C Bus
The following subsystem elements are interfaced to the RAID controller over a non-
user-serviceable I
•
•
•
1.3.2 LED Indicators
The following active components come with LEDs to indicate the status of the
individual components:
•
•
•
•
•
•
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
terminal emulation program running on a management computer that is connected to
the subsystem's serial port.
RAIDWatch: RAIDWatch is a premier web-based graphical user interface (GUI) that
can be installed on a remote computer and is used to access the array through LAN or
Subsystem Monitoring
2
C bus:
Cooling fan modules
PSUs
Temperature sensors
RAID controller
LCD panel
Cooling fan module
PSU module
BBU module
Drive trays
Chapter 1: Introduction
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