XCubeFAS 2026
Hardware Manual
Quick Maintenance
© 2021 QSAN Technology, Inc. All rights reserved.
www.qsan.com
Official
Document
42
4.
Q
UICK
M
AINTENANCE
This chapter provides quick maintenance and instruction of removing / installing FRU (Field
Replaceable Unit) or optional components. QSAN storage features the HA design, any of the
FRU components can be hot swapped and replaced with zero downtime in the rare event of a
component failure. If you encounter any issues caused by FRU components, please refer to
related section and follow the quick troubleshooting procedures step by step.
4.1.
Removing / Installing Controller Module
This section outlines how to check the status of your controller module and the procedure of
removing / installing the controller module when encountering problems.
Removing the Controller Module
CAUTION
The controller module is heavy and fragile; please use both hands while
installing, removing, or carrying the controller module. Recommended place
for removing the controller module: the system is in a well secured rack or
on a stable surface.
If you see that the controller is empty in
red
box in the XEVO UI
System
->
Arrays
, and the
Controller Status becomes Degrade in the XEVO UI
System
->
Maintenance
or the controll
er
status LED shows solid
red
color
, which means your controller module is encountering an issue
or a hardware configuration mismatch (different memory size or different types of host cards
are installed in the same slot number of different controllers) and need
to be replaced
immediately. You need to follow the procedures below to remove problematic controller
module and install a healthy one.
