IBM Midrange System DS4000 Series Hardware Manual page 186

Adding storage systems
Before you can manage a DS5000 storage subsystem, you have to add it to the Enterprise
Management window. The first time the DS Storage Manager is used, it will prompt you to
add a storage subsystem, either automatically or manually. Using the Enterprise
Management setup view, you can also invoke the Add Storage Subsystem option at a later
time as well as any of the other initial setup tasks shown. You can select either the automatic
or the manual addition method, as shown in Figure 4-31.
Figure 4-31 Add Storage Subsystems setup task
The automatic discovery process sends out broadcasts through Fibre Channel (if SMagent is
installed and started) and the IP network. If it finds directly attached storage systems or hosts
running the Storage Manager agent (with an attached storage system), and it adds these
storage systems into the Enterprise Management window.
The manual addition method requires that you provide the IP addresses (or host names) of
both controllers for out-of-band management. If one of the controllers is not connected or is
not reachable, then some of the management functions cannot be performed (except in cases
where you manage a single-controller storage subsystem).
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IBM Midrange System Storage Hardware Guide