IBM DCS3860, Installation, User'S, And Maintenance Manual

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Direct (out-of-band) management method:
Ethernet connections are used from a
management station to each controller in the storage system. 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 system). You will connect the cables to each storage system controller
later when you install the storage system. Figure 24 on page 51 shows the direct
(out-of-band) management method.
Note: Do not connect the DCS3860 storage system Ethernet ports to a public
network or public subnet. To minimize security risks, create a private network
between the DCS3860 storage system and the management station.
dcsi0023
Controller
Controller
Host computer
Management Station
I/O Path
Ethernet
Figure 23. Host-agent (in-band) management
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IBM System Storage DCS3860 Storage System: Installation, User's, and Maintenance Guide