You can replace the two gigabit Ethernet switches that are shown in Figure 67 and
Figure 68 with one large gigabit Ethernet switch that has the required number of
ports. Virtual local area network (VLAN) can also be used to isolate the two iSCSI
networks, instead of a single switch.
Dual-controller iSCSI configurations:
The following illustration is an example of a multiple port, single-host
configuration. A system that uses multiple iSCSI ports can provide enhanced
performance compared to a single-port iSCSI connection.
DS3500
Host system
with two iSCSI
connectors
Host system
with two iSCSI
connectors
1 Gigabit/10 Gigabit
Ethernet switch
1 Gigabit/10 Gigabit
Ethernet switch
e35i0004
Figure 67. Multiple-host, multiple-port, single-controller, and redundant-path iSCSI
configuration
DS3500
Host system
with two iSCSI
connectors
Host system
with two iSCSI
connectors
DS3500
1 Gigabit/10 Gigabit
Ethernet switch
1 Gigabit/10 Gigabit
Ethernet switch
e35i0005
Figure 68. Multiple-host, multiple-port, multiple-storage-subsystem iSCSI configuration
Chapter 3. Cabling the storage subsystem and storage enclosure 73
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