The Controller Enclosure; Front View - Silicon Graphics TP9400 RAID Owner's Manual

2.

Front View

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Chapter 2

The Controller Enclosure

The TP9400 controller enclosure is a high-performance unit that provides dual,
redundant controller boards and Fibre Channel interfaces to both the host and drive
channels.
Designed to provide maximum host- and drive-side redundancy, the controller
enclosure supports direct attachment of up to four hosts containing two single-port host
adapters each.
A controller enclosure contains the following replaceable components:
• Redundant controller canisters
• Battery canister
• Redundant fan canisters
• Redundant power supply canisters
• A fan/communications canister
• Fibre Channel interface minihub canisters (GBIC and SFP)
• Ethernet and RS-232 interface connectors
Important: Several references are made in this chapter to the storage management
software (TPSSM7). For complete information on the operation and use of this software,
please refer to the document titled
(860-0283-00X).
The front of the controller enclosure has the following components (Figure 2-1):
• Front cover — A removable cover with holes for viewing the status lights and slots
for air circulation.
Total Performance Storage System Manager 7 (TPSSM7)
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