Planning For Multi-Switch Fabric Support; Example Multi-Switch Fabric - HP StorageWorks 64 - SAN Director Switch Planning Manual

Planning Considerations for Fibre Channel Topologies

Planning for Multi-Switch Fabric Support

A Fibre Channel topology that consists of one or more interconnected director or
switch elements is called a fabric. The product operational software provides the
ability to interconnect directors and switches (through E_Port connections) to
form a multi-switch fabric. Support of multi-switch fabric operation is a major
feature of a director or edge switch.
Consider installation of multiple directors or switches to form a high-availability
fabric topology that supports multiple, full- bandwidth data transmission paths
between servers and devices.
the figure, the three fabric elements are Director 2/64s.
Figure 35: Example multi-switch fabric
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Figure 35 illustrates a simple multi-switch fabric. In
SAN High Availability Planning Guide