I'll chime in to confirm you definitely have to set the fans to "Full" to manually set fan speeds, the other settings allow IPMI to control the fans based on temperature.
Also, perhaps the smfc script could be helpful to you. I don't recall seeing it suggested yet.
Apologies, I didn't notice you were using a different tool.
The post from @DaveInTexas agrees. Hopefully this gets you a solution. I can still hear the fans screaming at me when I was dealing with this issue.
I have two very different (generation-wise) Supermicro boards, my fans are labeled as such:
```
CPU_FAN1
CPU_FAN2
SYS_FAN1
SYS_FAN2
SYS_FAN3
```
And
```
FAN1
FAN2
FAN3
FAN4
FAN5
FANA
```
It seems this post is relevant to what you're experiencing. In the linked reply, @MikeWebb mentioned setting...
This worked on an X9DRL-7F, thank you. I only adjusted FANA, seems to have resolved the issue all around.
**EDIT** Approximately 9 hours after I posted this, the fans ramped up to max speed again. I ran the same command using "FAN4" as I noticed some errors in the log. No issues since (12 hours).
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