Multiple Port, Multiple Server, Multiple Storage Subsystem Configuration; Multiple Port, Single Server, Dual-Controller Storage Subsystem Configuration - IBM TotalStorage DS300 Hardware Installation And User's Manual

Multiple port, multiple server, multiple storage subsystem
configuration
You can replace the two Gb Ethernet switches shown in Figure 6 with one large Gb
Ethernet switch that has the required number of ports. VLAN can also be used to
isolate the two iSCSI networks, instead of a single switch.
Figure 6. Multiple port, multiple server, multiple storage subsystem configuration (DS300)
Multiple port, single server, dual-controller storage subsystem
configuration
The following is an example of a multiple port, single server configuration. A system
using dual iSCSI ports provides enhanced performance compared to a single iSCSI
port.
Ethernet
Figure 7. Multiple port, single server, dual-controller storage subsystem configuration
10
Hardware Installation and User's Guide
Host system
with two iSCSI with two iSCSI
connectors
Gigabit
Ethernet
switch
DS300
Host system
with two iSCSI
connectors
Gigabit
switch
DS300
Host system
connectors
Gigabit
Ethernet
switch
DS300