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The channel selected as the Host Channel of the controllers must
be similar. For example: If you connected the Host Channel of
controller 1 to channel 0, you must also connect the Host Channel
of controller 2 to channel 0.
Connecting the SCSI Cables to the Hard Drives
Disable the SCSI terminator on all hard drives.
Disable the controller's drive channel SCSI termination.
Connect both ends of the SCSI cable with an external SCSI
terminator.
Connect the other connectors of the SCSI cable to hard drives
and controllers.
The channel selected as the Drive Channel of the controllers
must be similar. For example: If you connected the SCSI cable of
controller 1 to channel 1, you must also connect the SCSI cable
of controller 2 to channel 1.
Repeat the above steps for the other drive channels.
Connect a power connector to each controller.
Primary
Terminator
Controller
Host CH
CH 1
CH 2
Secondary
Controller
Host CH
CH 1
Terminator
CH 2
SCSI cable
SCSI cable
Chapter 9 Redundant Controller
SCSI cable
Redundant
Controller
Cable
*All drives and
controllers
have
Host Computer
termination
disabled.
.....
.....
(Terminator Enabled)
Terminator
Terminator
191
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