User`s guide

Chapter 2. IBM TotalStorage Enterprise Storage Server configuration 159
As we already know, the selection of an entity in the Storage Allocation —
Graphical View panel changes the information in the Information frame of the
panel. Clicking on an icon of an ESS FC port in the ESS interfaces row displays
information about the adapter. There we see the physical location in the ESS, the
topology the port is configured for and the WWPN. For any ESS FC port that we
have not configured, the window looks like that shown in Figure 2-113.
Figure 2-113 Information frame, ESS FC port topology undefined
2.7.1 Defining the topology for ESS FC ports
Pressing the Configure Host Adapter Ports button takes us to the Configure
Host Adapter Ports panel as shown in Figure 2-114.
Figure 2-114 Entry point for configuring ESS FC ports
Again, the naming convention in the ESS Specialist can be a little misleading.
The ESS has built in Fibre Channel adapters which provides the connectivity to
the SAN. An ESS, in its simplest form, is a Fibre Channel attached storage
device, not a host. We will refer to such a device as an ESS FC port to avoid any
confusion.