
Chapter 1: Introduction
Hot-swappable Components
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1.3.3 Firmware and RAIDWatch GUI
Firmware: The firmware (FW) is pre-installed software that is used to configure the
subsystem. The FW can be accessed through either the front panel LCD module or a
terminal emulation program that is installed on an external computer connected to the
host.
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 the
Internet. The manager communicates with the array via the connection of the existing
host interface or Ethernet link to the RJ-45 LAN port.
1.3.4 Audible Alarms
The subsystems come with audible alarms that are triggered when certain active
components fail or when certain (controller or subsystem) thresholds are exceeded. If you
hear hastily repeated beep tones from the subsystems it is imperative that you
immediately determine and rectify the problem.
Event notification messages indicate the completion of or the condition when proceeding
with array configuration tasks and are always accompanied by two or three successive
and prolonged beeps.
WARNING!
Failing to respond when a critical alarm is heard can lead to permanent damage of
the subsystem. When an audible alarm is heard, rectify the problem as soon as
possible.
1.4. Hot-swappable Components
1.4.1 Hot-swap Capabilities
The Galaxy GHDX-2422S-8F4D and GHDX-2422S-12F4D subsystems come with a
number of hot-swappable components. A hot-swap component is one that can be
exchanged while the subsystem is still online without affecting the operational integrity
of the subsystem. These components should only be removed from the subsystem when
they are being replaced. At no other time should these components be removed from the
subsystem.
1.4.2 Components
The following components are all hot-swappable:
• Power supply units (PSUs)
• Cooling modules
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