7. Gently place the replacement fan into the slot. Press firmly down to ensure that it is properly seated.
Figure 2-11: Replacing upper layer fans
8. Guide the controller into the slot and slide it in until some resistance is met, then push the extraction
handle up to seat the controller. See
Replacing a Unity Storage System controller
9. Re-secure the extraction handle retaining bolt. See
Replacing a Unity Storage System controller
10. Replace all cables on the new controller.
Notes:
Be sure to put all cables back into the proper ports. See Step 4 under
If the controller does not automatically start up, select it in Unity and click the
Turn On
button in its
Properties panel at the bottom of the screen.
11. Verify that the new fan is working using the
sensors
command in the command-line interface (CLI). See
Accessing the nxadmin CLI
and
Using the nxadmin CLI’s command-based shell
in the
Nexsan Unity CLI
reference Guide
.
12. Migrate the resources back to the controller you removed using Unity. See
Moving Cluster Resources
in
the
Nexsan Unity Software User Guide
.
►
To replace the lower layer fan 1:
1. Perform the component identification and controller removal steps under
Fans
2
Nexsan Unity Hardware Maintenance Guide v. 5.1
Unity
46