Infortrend RAID Controller Manual

NOTE:
• Some operating systems (SCO, UnixWare, and OpenServer, for example) will not
retry accessing the hard disk drives while the controller is taking over.
12.3.3 When and How Is the Failed Controller
Replaced?
Remove the failed controller after the take-over of the "working"
controller has been completed. For a controller with hot-plug
capability, all you have to do is to remove front panel and pull out the
eject levers to remove the failed controller.
The new controller has to be pre-configured as the "Secondary
Controller." (The replacement controller provided by your supplier
should have been configured as the Secondary controller. It is
recommended to safety check the status of the replacement controller
before installing it to your redundant system. Simply attach power to
the new controller and configure it as "Secondary." When safety
check is done, remove the failed controller and install the replacement
controller into its place.)
When the new controller is connected, the existing controller will
automatically start initializing the replacement controller (IFT-
3102U2G and above). If the existing controller does not initialize the
replacement controller, execute the "Deassert Reset on Failed
Controller" function.
Redundant Controller 12-29