
Chapter 12: Enclosure Display
Action Command menus and then select Information/Enclosure View on the
top of the screen. (See Figure 12-3)
Figure 12-3: Accessing the Enclosure View
12.2.3 Component Information
The front and rear views of a RAID subsystem in the Enclosure View
window are the exact representations of physical components. This window
is particularly useful in monitoring the status of the physical drives. It
provides a real-time report on the drive status, using LED colors to represent
various operating statuses.
The Enclosure View displays information about the following RAID
components:
♦ RAID Controller – The RAID controller is the heart of any RAID
enclosure and controls the flow of data to and from the storage
devices.
♦ I/O Channels – An I/O channel is the channel through which data
flows to and from the RAID controller.
♦ Battery Backup Unit (BBU) – The BBU provides power to the
memory cache when power outage occurs or the power supply
units fail.
NOTE:
The BBU is an optional item for some subsystem models.
♦ Power Supply Unit (PSU) – All RAID devices should come with at
least one PSU that provides power to the RAID device from the
main power source.
♦ Cooling Module – All RAID devices should come with at least one
cooling module.
Enclosure Display 12-3
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