Intergraph ExtremeZ SAN Start Here Manual page 11

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Up to seven Fibre Channel-enabled devices can connect to the hub. Several combinations of
client systems and disk arrays are possible. For example, you can connect six client systems
to one Fibre Channel disk array. At the other extreme, you can connect two client systems to
five Fibre Channel disk arrays.
The client systems run software that controls access to and maintains the integrity of the
shared data. A server system, or a client also acting as the server, "owns" the data on the
shared storage devices. The server system is the ultimate arbiter of access and data integrity
for the data on the shared storage devices.
The server system can make the shared storage devices available to other systems on the LAN.
However, the other systems on the LAN can only communicate with the shared storage
devices at standard TCP/IP Ethernet speeds.