Cabling; Connecting The Drive Loop Cables - Silicon Graphics InfiniteStorage TP9300 User Manual

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5.

Connecting the Drive Loop Cables

007-4644-003
Chapter 5

Cabling

This chapter describes the cabling between the controller enclosure, the front-end host,
and the expansion enclosures. It also covers Ethernet, serial port, and power connections
in the following sections:
"Connecting the Drive Loop Cables" on page 69
"Connecting the System to the Hosts" on page 75
"Powering On the System" on page 81
The system is designed to support redundant drive loops. A redundant drive loop
consists of one or more expansion enclosures connected to the controller enclosure using
data cables. In a redundant configuration, if one data path fails, the controller uses the
other data path to maintain access to the drive group.
Follow these instructions to cable a group of enclosures into a redundant drive loop. If
the drive loop contains only one enclosure, skip this procedure and proceed to
"Connecting the System to the Hosts" on page 75.
Warning:
Electrostatic discharge can damage sensitive components. Use
appropriate antistatic precautions before handling any components.
To complete this procedure, you will need one or two optic interface cables (depending
on the number of controllers in the array.
69

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