96
Replacing the Controller Module
WARNING
Controller firmware
MUST
be identical for proper functionality.
DO NOT
mix controller modules from different models. Each controller has a unique
ID which is applied to host port names. As the result, you may encounter SAN
problems with identical port names on multiple systems.
When removing a controller from this system, ensure that your applications have
been shut down beforehand.
1. Prepare a clean, static-free work pad or container to place the controller.
2.
Replacing the controller model
:
First, shut down the system.
Stop all I/O access to the system and make sure all cached writes have been
distributed to disk drives using firmware’s Main Menu -> System Functions >
Shutdown controller function.
and turn off the power switches and unplug the power
cords from PSUs.
3.
Disconnect all cables
that are connected to the controller module.
4.
Loosen the screws
that secure the
control module’s ejection levers.
3008 models
