Chapter 5: Installing the Controller and Disk Drives
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40
Connecting to a System Backplane
In a backplane connection, disk drives and SAS cards are attached to
and communicate with each other through a system backplane.
The number of disk drives is limited to the number of slots available on
the backplane. Some backplanes have embedded SAS expanders and
can support up to 128 end devices. (For more information about
backplane and expander connections, see
1
Connect one or more internal SAS or SATA disk drives to the
backplane. (Refer to your system’s documentation for more
information.)
2
Use an internal SAS cable to connect the controller to the backplane.
3
When all internal disk drives have been installed and connected,
close your computer cabinet, reattach the power cord, then continue
with
Connecting External Devices on page 42
Disk drives on
backplane
Controller connected
to backplane with
fan-out cable
