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Chapter 4: Subsystem Connection and Operation
FC Host Connection Prerequisites
4-5
4.1.8 Sample Topology – Data Sharing
In the configuration shown in Figure 4-3, many servers share one (1) subsystem over the
Fibre Channel network. Data path redundancy makes sense when the following
configurations are available:
1. HA access software control is available or that each storage volume is
exclusively accessed through one ID/LUN on a host port.
2. Multiple storage volumes can each be optimized for a different kind of I/O
demands. Logical drive stripe size and write policy can separately be configured
3. Multiple Storage volumes are presented on either of the host ports. The host
management software should direct the data flow through a surviving path in the
event of single path failure.
Figure 4-3: Sample Topology for Data Sharing
Connections: The input ports on the subsystem, FC-CH0 and FC-CH1, are
connected to a FC switch and then to HBAs on host computers.
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