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

Tue Jul 11 21:07:44 UTC 2017
Gavin Peters <gavinjpeters at gmail.com>

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.


On Wed, 12 Jul 2017, 04:22 <m.roth at 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.
>        mark
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