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03-01-2020

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IBM x3650 m4 Fan Speed

2020-03-01, 15:27 PM

Hello,

 

I have two x3650 M4 servers running ESXi 6.7 at home.

They make a lot of noise, however the temperatures are low. The fans run all the time at 4000-5000 rpm. 

I manage to lower the speed to 1500-2500 rpm with the following command and it is better :

ipmitool raw 0x3a 0x07 0x01 0x20 0x01

ipmitool raw 0x3a 0x07 0x02 0x20 0x01

 

But the speed returns to 4000-5000 after a few minutes.

I think the fans are in automatic mode.

 

I am looking for the command to switch the fans to manual mode and keep the speed low all the time ?

 

Thank you

 

 

 

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37 Posts

09-11-2015

China

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Re:IBM x3650 m4 Fan Speed

2020-03-02, 15:24 PM

Hi,

I believe the command should have already set your FAN to manual mode until you restart the IMM

Would it be different if you set for all FAN zone by running  ipmitool raw 0x3a 0x07 0xff 0x20 0x01?

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37 Posts

09-11-2015

China

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Re:IBM x3650 m4 Fan Speed

2020-03-02, 15:24 PM

Hi,

I believe the command should have already set your FAN to manual mode until you restart the IMM

Would it be different if you set for all FAN zone by running  ipmitool raw 0x3a 0x07 0xff 0x20 0x01?

0 person found this solution to be helpful.

This helped me too

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2 Posts

03-01-2020

France

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Re:IBM x3650 m4 Fan Speed

2020-03-05, 10:55 AM

Hi ! Thank you!

 

It was the right command, the fans have not changed speed since.

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08-14-2020

Taiwan,China

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Re:IBM x3650 m4 Fan Speed

2020-08-14, 20:45 PM

Hi Davidz

 

I tried "ipmitool raw 0x3a 0x07 0xff 0x20 0x01" in my x3550 M4 (7914) (vmware esxi 6.7)
But it seems it will go back to 60% fan speed after few hours. (I didn't restart OS or BMC)

 

Could you help me to check about this part?

It is too loud in home

and even temp is low enough. (40~50 C)

 

IMM2 version: 7.8.0

Default fan speed (around 8000 RPM):

system> fans

Fan 1A Tach 57%

Fan 1B Tach 49%

Fan 2A Tach 57%

Fan 2B Tach 49%

Fan 3A Tach 57%

Fan 3B Tach 48%

Fan 4A Tach 57%

Fan 4B Tach 49%

Fan 5A Tach 57%

Fan 5B Tach 49%

Fan 6A Tach 54%

Fan 6B Tach 52%

system>

 

And my target is around 4000~5000 RPM.

It will be quiet enough for me.

 

Thanks a lot

Regards,

Date

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2 Posts

09-06-2020

Switzerland

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Re:IBM x3650 m4 Fan Speed

2020-09-06, 22:39 PM

@ Lenovo_Davidz wrote:
 

 

Hi,

I believe the command should have already set your FAN to manual mode until you restart the IMM

Would it be different if you set for all FAN zone by running  ipmitool raw 0x3a 0x07 0xff 0x20 0x01?

 

For me this command works too, but after some time the fans go back to 50-60 % of speed.

 

What can be the reason and how can be it definitely fixed?

 

Regards.

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46 Posts

09-11-2015

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Re:IBM x3650 m4 Fan Speed

2020-09-07, 3:22 AM

Ambient temp, workload, fan module can lead to this kind of problem.

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2 Posts

09-06-2020

Switzerland

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Re:IBM x3650 m4 Fan Speed

2020-09-09, 13:02 PM

@ zhangww14 wrote:
 

 

Ambient temp, workload, fan module can lead to this kind of problem.

 

So it means there isn't any way to have them quite for definitive time ?

 

Actually I have made a cronjob in my ESXi that runs this command: /opt/ipmitool/ipmitool raw 0x3a 0x07 0xff 0x20 0x01 every 1 minute, but seems even with this sometimes fans go back to 50% and its very noisy.

 

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46 Posts

09-11-2015

China

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  • Message 8 of 9

Re:IBM x3650 m4 Fan Speed

2020-09-15, 6:04 AM

One advice is to login the IMM interface to check if there any error or warning in the event log, if no error or warning found, this should be work as design.

 

Another advice is to check the IMM firmware version on your system, the latest firmware level is Version 8.00, 1AOO96A, you can try update the firmware to check if problem persist.

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2 Posts

08-14-2020

Taiwan,China

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  • Message 9 of 9

Re:IBM x3650 m4 Fan Speed

2020-09-16, 9:38 AM

One advice is to login the IMM interface to check if there any error or warning in the event log, if no error or warning found, this should be work as design.

 

Another advice is to check the IMM firmware version on your system, the latest firmware level is Version 8.00, 1AOO96A, you can try update the firmware to check if problem persist.

 

@zhangww14 

Does this 8.00 firmware also fix X3"5"50 M4 fan issue (7914, IMM2)?

 

Thanks

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