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Figure 64 shows an incorrect configuration of a single host with both iSCSI and
Fibre Channel connections.
Important: Do not cable the storage subsystem and host systems as shown in
Figure 64. A storage subsystem with the incorrect storage topology
might appear to be functional, but incorrect cabling can potentially have
unpredictable results.
Figure 65 on page 91 shows an example of a multiple-host, multiple-port,
multiple-switch configuration.
Gigabit
Ethernet
switch
Host with two single-port iSCSI
HBAs and one dual-port Fibre
Channel HBA
DS5020
Fibre
Channel
switch
Controller A Controller B
Fibre
Channel
ports
iSCSI
ports
Fibre
Channel
ports
iSCSI
ports
Fibre
Channel
ports
iSCSI
ports
Figure 64. Example of an incorrect configuration: Single-host, iSCSI and Fibre Channel
90 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide