IBM System Storage DS3500 Introduction And Implementation Manual page 154

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Figure 4-37 Example of a single Fibre Channel SAN fabric configuration
Cross connected dual SAN fabric
Figure 4-38 on page 131 is an example of a configuration using a cross-connected dual SAN
fabric (also known as mesh). In a cross-connected SAN fabric, each host bus adapter has a
connection to both controllers in a dual controller DS3500 storage subsystem. Some
applications and host operating systems require a cross-connected SAN fabric.
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IBM System Storage DS3500: Introduction and Implementation Guide
Draft Document for Review March 28, 2011 12:24 pm