Chapter 6 Connecting Data Hosts to the 2540 Array 73
2540 Array Data Host Connections
Data transmission from the host to the array controller modules is through fiber-
optic cables. The fiber-optic cables connect to the controllers through Small Form-
factor Pluggable (SFP) transceivers (
FIGURE 6-5).
The Sun StorageTek 2540 Array controller tray has four FC host ports, two per
controller module. To maintain redundancy, connect two data paths from each host,
one to each controller.
FIGURE 6-6 FC host Connectors on the 2540 Controller
1. Host 1
2. HBA 1
3. HBA 2
4. Host 2
5. Host 3
6. Host Port 1
7. Host Port 2
8. Controller A
9. Controller B
1. not used
2. Fibre Channel data
port 1host
1
1
2
2
3. Fibre Channel data
host port 2
3
3
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