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Two storage
subsystems
Two storage
subsystems
Figure 51. Host-agent (in-band) managed storage subsystems
Direct (out-of-band) management method
This method uses Ethernet connections from a management station to each
controller. You must install at least one management station. The management
station can be the host or a workstation on the Ethernet network. A management
station will have the client software installed. 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 52 on page 82 shows the direct (out-of-band) management method.
You can either use the default controller Ethernet IP addresses for out-of-band
connection or change the default controller Ethernet IP addresses by using
Dynamic Host Configuration Protocol (DHCP) or Storage Manager client.
Depending on the controller firmware version for your subsystem, refer to the
following guides for more information about setting the management connections
and installing the DS3950 storage subsystem management software:
v IBM System Storage DS Storage Manager Version 10 Installation and Host Support
Guide (for storage subsystems with controller firmware version earlier than
7.8x.xx.xx)
v IBM System Storage DS Storage Manager Version 10.8 Installation and Host Support
Guide (for storage subsystems with controller firmware version 7.8x.xx.xx or
later)
For a listing of default IP addresses, see "Connectors, switch, and enclosure ID" on
page 9.
Note: Do not connect the storage subsystem Ethernet ports to a public network or
public subnet. Create a private network between the storage subsystem and
the management station.
Ethernet
network
4
Host
Fibre Channel
server
Chapter 3. Cabling the storage subsystem
Ethernet
network
5
Management
station
81
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