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Cascading three FC Switch Modules (Blade Enclosure)
1. Configuration with minimum number of cascading paths
If a failure occurs on the cascading path between the FC Switch Modules, a
Fabric reconstruction occurs. Influence to I/O operations may occur not only
between the cascading FC Switch Modules but within each FC Switch Module
(each Blade Enclosure).
2. Two paths configuration between the FC Switch Modules
By making cascade connection between FC Switch Modules to two paths,
even if a failure occurs on one cascade path, no influence to I/O operation
occur because I/O operation is succeeded by redundant path and no Fabric
reconstruction occurs.
Blade Enclosure #2 Blade Enclosure #3
Blade Enclosure #1
Blade Enclosure #2 Blade Enclosure #3
Blade Enclosure #1