7914Cabling2-1908.fm Draft Document for Review March 28, 2011 12:24 pm
122 IBM System Storage DS3500: Introduction and Implementation Guide
Figure 4-32 Direct attached host with redundant paths
Although the sample configuration shown in Figure 4-32 has redundant paths to the single
controller, the controller is the single point of failure.
Figure 4-33 on page 123 shows a configuration with one host and redundant paths to a dual
controller DS3500. This configuration offers both redundant Fibre Channel host connections
and redundant controllers and offers improved redundancy compared to the sample
configuration shown in Figure 4-32.
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