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4.5.2 Dual Fibre Switches and Dual Hosts
Figure 4- 7: Redundant Controller, Dual Fibre Switch Topology
In the configuration shown in Figure 4- 7, both the host channels
of each controller are connected to the same fibre switch. The
fibre switch is then connected to two separate host computers to
ensure full host side redundancy. Note that all the components;
including the controllers, data paths, fibre switches and host
computers, in the above configuration are fully redundant. If any
of these hardware items fail, data will continue to be accessible
through alternate data paths.
4.6 Expansion Port Connection
The controllers on the redundant controller models all come with
a third SFP module that can be used for connecting to other FC
devices, like JBODs (see Figure 4- 8), and enables end users to
expand the storage capacity of the their subsystem.
4-8
Galaxy 16i User's Manual
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