EonStor DS S48 Series Hardware Manual
5.1
Replacing the Controller Module(s)
WARNING
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 RAID controller from a single-controller system, ensure that your
applications have been shut down beforehand.
To replace the controller module, follow these steps.
1. For detail procedures on how to upgrade the controller firmware, please refer to
a. EonStor DS SANWatch User Manual on Upgrading the Firmware
b. Firmware Manual on System Functions: Upgrading Firmware
c. To Use the LCD panel, follow the illustration below
Legend
Ent: Press the Enter (Ent) button.
Ent
: Press and hold the Enter (Ent) button for 2 seconds.
---->
:
Press the up and down arrow to scroll to the menu you are after.
2. Prepare a clean, static-free work pad or container to place the controller.
3.
(For single controller models or when replacing both controllers
simultaneously) Shut the system down
(refer to the
)
.
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.
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