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Qsan Document – User Manual
The usage occasion of Trunking:

This is a simple SAN environment. There is only one switch to connect the server and storage.
And there is no extra server to be added in the future.

There is no idea of using LACP or Trunking, uses Trunking first.

There is a request of monitoring the traffic on a trunk in switch.
CAUTION:
Before using trunking or LACP, the gigabit switch must support either trunking
or LACP. Otherwise, host cannot connect the link with storage device.
Dual Controllers
The Qsan storage system supports dual controllers of the same type for redundancy. Controller 1
(CTRL 1) is the master controller and controller 2 (CTRL 2) is the slave.
Copyright@2004~2013 Qsan Technology, Inc. All Rights Reserved.
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