mirror of
https://github.com/netfun2000/ServerFanSpeedControl.git
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80 lines
2.3 KiB
Markdown
80 lines
2.3 KiB
Markdown
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# ServerFanSpeedControl
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Objective: 1U,2U rack server change fan speed
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$\color{#FF3030}{UseByYourOwnRisk!!!}$
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Basic Information
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Server：Dell PowerEdge R720
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iDRAC Version：7
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Operation System(To manage Server)：CentOS 8 / Windows
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1.Enable IPMI Control
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==================================================================
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iDRAC 7
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1.Enter System Setup
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Use F2 to enter System Setup UI
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2.Enter iDRAC Settings
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3.Set IPMI enabled
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Select Network,Set IPMI become enabled
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2.Adjust Fan Speed
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==================================================================
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CentOS 8 User
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1.Install IPMI
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```
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yum install epel-release -y
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yum install ipmitool -y
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```
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2.Check IPMI is installed
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```rpm -qa | grep ipmi```
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3.Change Fan Speed
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```ipmitool -I lanplus -U ipmiUsername -P ipmiPassword -H ServerAddress raw 0x30 0x30 0x01 0x00```
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ipmiUsername：Username to login iDRAC，default = root
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ipmiPassword：Password to login IDRAC，default = calvin
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ServerAddress： IP of IDRAC address，NOT the operation systemIP or other VMs IP
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0x00 = DISABLE manual operation
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0x01 ENABLE manual operation
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3.2 Change Spped
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```
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ipmitool -I lanplus -U ipmiUsername -P ipmiPassword -H ServerAddress raw 0x30 0x30 0x02 0xff 0x18
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```
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0xff = Apply to ALL fan
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0x18 = Percentage of the fan operate，The orginal Fan should be 12000rpm。0x18 is eqaul to 24 in decimal number.
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0xff 0x18 = All Fan will operate in 24% of rpm, you can change 0xff to adjust each fan.
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10% should be suitable for not high load operation (i.e. NAS or HomeAssistant)
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==================================================================
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Windows User
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You can use software by @cw1997
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https://github.com/cw1997/dell_fans_controller/releases/
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User：IDRAC LoginName，default = root
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Password：IDRAC password，default = calvin
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IP： iDRAC server IP，NOT VMs IP
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