43 lines
1.0 KiB
Python
43 lines
1.0 KiB
Python
import math
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import subprocess
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import time
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from pySMART import DeviceList
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MIN_FAN_SPEED = 30
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MAX_FAN_SPEED = 100
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MIN_HDD_TEMP = 30
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MAX_HDD_TEMP = 50
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devlist = DeviceList()
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# Put fans in full speed mode
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subprocess.run(["ipmitool", "raw", "0x30", "0x45", "0x01", "0x01"])
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def main():
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while True:
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for device in devlist:
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device.update()
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# Linear fan speed between MIN_FAN_SPEED and MAX_FAN_SPEED
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fan_speed = max(
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min(
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math.ceil(
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MIN_FAN_SPEED
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+ (
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(MAX_FAN_SPEED - MIN_FAN_SPEED)
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* (
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(max([x.temperature for x in devlist]) - MIN_HDD_TEMP)
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/ (MAX_HDD_TEMP - MIN_HDD_TEMP)
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)
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)
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),
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MAX_FAN_SPEED,
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),
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MIN_FAN_SPEED,
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)
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subprocess.run(["ipmitool", "raw", "0x30", "0x70", "0x66", "0x01", "0x00", hex(fan_speed)])
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time.sleep(10)
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