Re: [CentOS] old hardware / minimal netinstall -> CPU fan control

[James B. Byrne]

On Tue, July 11, 2017 14:16, m.r...@5-cent.us wrote:
> Fred Smith wrote:
>> On Tue, Jul 11, 2017 at 12:05:55PM +0100, Gary Stainburn wrote:
>>> I have just installed CentOS 6 i386 onto an old rack server (it's
>>> gonna be a Bacula storeage server and is a 1U 1/2 depth chassis)
>>>
>>> I did a minimum netinstall and so far so good. However, I have one
>>> problem. The CPU fan is going at full speed constantly. Not a real
>>> problem apart from (a) it will affect the fan's lifespan and
>>> (b) it's noisy.
>>
>> I used to have a HP 320 generation 2 server that I used as a
>> desktop. it had a bunch of tiny fans that screamed like a banshee.
>>
>> it turns out that one of the RPMs they shipped with it (on CD,
>> not actually installed) contained a driver that toned down the
>> fans to a soft roar. I'm sorry to say I have no memory of what
>> the driver was.
>>
>> but if this system is from a vendor that supports Linux, they
>> might have some suitable driver.
>>
> That's in the firmware. You may, or may not, be able to do
> something with ipmitool, but I don't think so. Reboot, and
> look in system setup. It may be under performance settings.

If this is a SuperMicro box then you can contact their support to if
there is a BIOS update that deals with this issue.  After an update to
one our SM rack units its fans sounded like a jet taking off.  This
turned out to be a known problem and the final fix was a BIOS update
from SM.

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Re: [CentOS] old hardware / minimal netinstall -> CPU fan control

[vychytraly .]

or maybe try fancontrol from lm_sensors package?

http://www.unix.com/man-page/centos/8/fancontrol/

On Tue, Jul 11, 2017 at 11:07 PM, Gavin Peters 
wrote:

> Warning:I'm new to CentOS and have not tested the suggestion below (with
> Linux). So please research if it sounds like a good idea.
>
> It may be worth trying to bypass the issue by installing VMware ESXi and
> setting up CentOS as a virtual machine.
>
> This will give you additional control and backup options for the system.
>
> Gavin
>
> On Wed, 12 Jul 2017, 04:22  wrote:
>
> > Fred Smith wrote:
> > > On Tue, Jul 11, 2017 at 12:05:55PM +0100, Gary Stainburn wrote:
> > >> I have just installed CentOS 6 i386 onto an old rack server (it's
> gonna
> > >> be a Bacula storeage server and is a 1U 1/2 depth chassis)
> > >>
> > >> I did a minimum netinstall and so far so good. However, I have one
> > >> problem.
> > >> The CPU fan is going at full speed constantly. Not a real problem
> apart
> > >> from (a) it will affect the fan's lifespan and (b) it's noisy.
> > >
> > > I used to have a HP 320 generation 2 server that I used as a desktop.
> it
> > > had a bunch of tiny fans that screamed like a banshee.
> > >
> > > it turns out that one of the RPMs they shipped with it (on CD, not
> > > actually
> > > installed) contained a driver that toned down the fans to a soft roar.
> > > I'm sorry to say I have no memory of what the driver was.
> > >
> > > but if this system is from a vendor that supports Linux, they might
> have
> > > some suitable driver.
> > >
> > That's in the firmware. You may, or may not, be able to do something with
> > ipmitool, but I don't think so. Reboot, and look in system setup. It may
> > be under performance settings.
> >
> >mark
> >
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Re: [CentOS] old hardware / minimal netinstall -> CPU fan control

[Gavin Peters]

Warning:I'm new to CentOS and have not tested the suggestion below (with
Linux). So please research if it sounds like a good idea.

It may be worth trying to bypass the issue by installing VMware ESXi and
setting up CentOS as a virtual machine.

This will give you additional control and backup options for the system.

Gavin

On Wed, 12 Jul 2017, 04:22  wrote:

> Fred Smith wrote:
> > On Tue, Jul 11, 2017 at 12:05:55PM +0100, Gary Stainburn wrote:
> >> I have just installed CentOS 6 i386 onto an old rack server (it's gonna
> >> be a Bacula storeage server and is a 1U 1/2 depth chassis)
> >>
> >> I did a minimum netinstall and so far so good. However, I have one
> >> problem.
> >> The CPU fan is going at full speed constantly. Not a real problem apart
> >> from (a) it will affect the fan's lifespan and (b) it's noisy.
> >
> > I used to have a HP 320 generation 2 server that I used as a desktop. it
> > had a bunch of tiny fans that screamed like a banshee.
> >
> > it turns out that one of the RPMs they shipped with it (on CD, not
> > actually
> > installed) contained a driver that toned down the fans to a soft roar.
> > I'm sorry to say I have no memory of what the driver was.
> >
> > but if this system is from a vendor that supports Linux, they might have
> > some suitable driver.
> >
> That's in the firmware. You may, or may not, be able to do something with
> ipmitool, but I don't think so. Reboot, and look in system setup. It may
> be under performance settings.
>
>mark
>
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Re: [CentOS] old hardware / minimal netinstall -> CPU fan control

[m . roth]

Fred Smith wrote:
> On Tue, Jul 11, 2017 at 12:05:55PM +0100, Gary Stainburn wrote:
>> I have just installed CentOS 6 i386 onto an old rack server (it's gonna
>> be a Bacula storeage server and is a 1U 1/2 depth chassis)
>>
>> I did a minimum netinstall and so far so good. However, I have one
>> problem.
>> The CPU fan is going at full speed constantly. Not a real problem apart
>> from (a) it will affect the fan's lifespan and (b) it's noisy.
>
> I used to have a HP 320 generation 2 server that I used as a desktop. it
> had a bunch of tiny fans that screamed like a banshee.
>
> it turns out that one of the RPMs they shipped with it (on CD, not
> actually
> installed) contained a driver that toned down the fans to a soft roar.
> I'm sorry to say I have no memory of what the driver was.
>
> but if this system is from a vendor that supports Linux, they might have
> some suitable driver.
>
That's in the firmware. You may, or may not, be able to do something with
ipmitool, but I don't think so. Reboot, and look in system setup. It may
be under performance settings.

   mark

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Re: [CentOS] old hardware / minimal netinstall -> CPU fan control

[Fred Smith]

On Tue, Jul 11, 2017 at 12:05:55PM +0100, Gary Stainburn wrote:
> I have just installed CentOS 6 i386 onto an old rack server (it's gonna be a 
> Bacula storeage server and is a 1U 1/2 depth chassis)
> 
> I did a minimum netinstall and so far so good. However, I have one problem.  
> The CPU fan is going at full speed constantly. Not a real problem apart from 
> (a) it will affect the fan's lifespan and (b) it's noisy.

I used to have a HP 320 generation 2 server that I used as a desktop. it
had a bunch of tiny fans that screamed like a banshee. 

it turns out that one of the RPMs they shipped with it (on CD, not actually
installed) contained a driver that toned down the fans to a soft roar.
I'm sorry to say I have no memory of what the driver was.

but if this system is from a vendor that supports Linux, they might have
some suitable driver.

good  luck!


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[CentOS] old hardware / minimal netinstall -> CPU fan control

[Gary Stainburn]

I have just installed CentOS 6 i386 onto an old rack server (it's gonna be a 
Bacula storeage server and is a 1U 1/2 depth chassis)

I did a minimum netinstall and so far so good. However, I have one problem.  
The CPU fan is going at full speed constantly. Not a real problem apart from 
(a) it will affect the fan's lifespan and (b) it's noisy.

I've done some Googling and found some help. I've installed lm_sensors and run 

sensors-detect.

After reboot I get the following:

[root@harpo ~]# sensors
acpitz-virtual-0
Adapter: Virtual device
temp1:   +40.0°C  (crit = +75.0°C)  

[root@harpo ~]#

which implies that it can read the CPU temp, but the fan is still going at 
full speed.  Can anyone suggest what I need to do next to enable fan speed 
control?

[root@harpo ~]# more /etc/sysconfig/lm_sensors 
# Generated by sensors-detect on Tue Jul 11 11:49:07 2017
# This file is sourced by /etc/init.d/lm_sensors and defines the modules to
# be loaded/unloaded.
#
# The format of this file is a shell script that simply defines variables:
# HWMON_MODULES for hardware monitoring driver modules, and optionally
# BUS_MODULES for any required bus driver module (for example for I2C or SPI).

HWMON_MODULES="w83627hf"

# For compatibility reasons, modules are also listed individually as variables
#MODULE_0, MODULE_1, MODULE_2, etc.
# You should use BUS_MODULES and HWMON_MODULES instead if possible.

MODULE_0=w83627hf
[root@harpo ~]# 
-- 
Gary 
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