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Starting-up the Redundant Controllers
Power-on all hard drives and the two
controllers.
The
connecting...
<ENT>
appear on the LCD display of the two
controllers. After a few seconds, the
Primary controller will startup with the
model number and firmware version
displayed
on
the
LCD,
Secondary controller will display the
message "RC Standing By.. <ENT> to
Cancel" on its LCD. A few seconds later,
the LCD display on the Secondary
controller will be similar to the LCD
display on the Primary controller.
Prior
to
2.11, the secondary controller
was a stand-by controller; i.e.,
it did not serve its own I/O
requests.
controller's LCD constantly
displayed the message at
right,
"RC
<ENT> to Cancel."
During normal operation, the controllers continuously monitor each
other. Each controller is always ready to take over for the other
controller, in the unlikely event of a controller failure.
The Primary and Secondary controllers synchronize each other's
configurations and settings at frequent intervals through the AA-9013
Redundant Controller Cable.
Chapter 9 Redundant Controller
message
"RC
to
cancel"
will
while
the
firmware
version
The
secondary
Standing
By..
RC connecting...
<ENT> to cancel
RC Standing By..
<ENT> to Cancel
195
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