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How to set the fan speed of power edge r720xd permanently (alien.top)

submitted 10 months ago by [email protected] to c/[email protected]

4 comments fedilink hide all child comments

Currently, I use the following command to set the fan speed of the server after it starts up:

```

ipmitool -I lanplus -H 192.168.31.217 -U root -P calvin raw 0x30 0x30 0x01 0x00

ipmitool -I lanplus -H 192.168.31.217 -U root -P calvin raw 0x30 0x30 0x02 0xff 0x0a

```

The problem is whenever the server restarts, the fan speed will change back to its old state.

That's really a problem, for example, if I go out and the power goes out and then comes back on. There will be a huge noise made by the server before I get home.

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[–] [email protected] 1 points 10 months ago (2 children)

I personally, use a bash script, which runs as a daemon, that dynamically sets the fan speed based on temps.

So, under idle, the servers run nearly silent. Under load, the fans can spin up.

When the script/daemon stops, it restores the default fan curve.

[–] [email protected] 1 points 10 months ago

Where do you put the script? I just want to fix the fan speed to 10% when the server power on.

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