IBM DS3500, Installation, User'S, And Maintenance Manual

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Direct (out-of-band) management method:
This method uses Ethernet connections from a management station to each controller in the storage
subsystem. You must install at least one management station. The management station can be the host or
a workstation on the Ethernet network. The client software is installed on the management station. Attach
Ethernet cables to each management station (one pair per storage subsystem). You will connect the cables
to each storage subsystem controller later when you install the storage subsystem. Figure 3-30 on page
3-28 shows the direct (out-of-band) management method.
Note: Do not connect the DS3500 storage subsystem Ethernet ports to a public network or public subnet.
To minimize security risks, create a private network between the DS3500 storage subsystem and the
management station.
dcsi0023
Controller
Controller
Host computer
Management Station
I/O Path
Ethernet
Figure 3-29. Host-agent (in-band) managed storage subsystems
Chapter 3. Cabling the storage subsystem and storage enclosure
3-27