acpi needed to control fans on HP Proliant

[akanwar at digitarchy.com]

Hi Paul and Lanny,

Thanks for your replies.

Paul, you keep insisting that HP's use a seperate driver ... seems like you
run some of these machines :). DO you have any knowledge of what interface
the HP driver uses to control fan speed ? Any way to get the source code
for their Linux Driver ?

Lanny, How do i build in IPMI-BMC support into the 4.8 kernel ? What OS do
you use ? "BMC/FRUSDR/BIOS upgrade files" might not be available for the HP
branded OS.

If I can get a starting point, I will roll my own driver.

Thanks again,
-ansh





Original Message:
-----------------
From: Lanny Baron lnb at FreeBSDsystems.COM
Date: 23 Aug 2003 10:02:15 -0400
To: ps at mu.org, akanwar at digitarchy.com, freebsd-hardware at freebsd.org
Subject: Re: acpi needed to control fans on HP Proliant


Hi Paul,
Well perhaps I gave info that was confusing. 

IPMI is used to communicate with the BMC and FRUSDR. The BMC sensors get
the information and/or logs and status on various components such as
fans, power supplies and cpus. The BMC which is part of the Server Board
also controls the fan speeds. 

Clearly the screenshots on our site with respect to IPMI do show
lower/upper limits as well as current status of components. 

Lanny

On Sat, 2003-08-23 at 05:37, Paul Saab wrote:
> No, this stuff wont work on Proliants.  Proliants do not use ipmi and
> they require a separate driver to allow fan control and other stuff.
> 
> Lanny Baron (lnb at FreeBSDsystems.COM) wrote:
> > Hi,
> > I think if you check out http://www.FreeBSDsystems.COM/ipmi.html it will
> > give you an idea of how to monitor what your Server hardware is doing.
> > 
> > In terms of fan speeds, it is controlled by the BMC.  
> > 
> > On our Servers, until we do a complete upgrade of the BIOS and BMC the
> > fans are good for a jet on takeoff. Once we have done the upgrade, the
> > Server fans slow down considerably.
> > 
> > Having said that, perhaps ask your HP rep to get you (if it even
> > available..we don't sell hp servers) the BMC/FRUSDR/BIOS upgrade files.
> > 
> > Hope that helps you out.
> > 
> > Regards,
> > Lanny 
> > 
> > On Thu, 2003-08-21 at 03:44, Paul Saab wrote:
> > > Your HP rep is lying to you.  You have to have their health driver
> > > (not ACPI) which is not available for FreeBSD.
> > > 
> > > akanwar at digitarchy.com (akanwar at digitarchy.com) wrote:
> > > > Hi all,
> > > >  
> > > > I run FreeBSD 4.8-RELEASE on about 70 i386 boxes. Now we are
evaluating a
> > > > HP Proliant DL360 G3 servers for BSD compatability.
> > > > 
> > > > All seems good except except the fact that the fans in the server
run full
> > > > steam all the time (and they are LOUD). My HP rep tells me that if I
> > > > install Windows on this box, it will automatically control fan
speed via
> > > > acpi.
> > > > 
> > > > How do I do the same in FreeBSD 4.8 ? 
> > > > 
> > > > I do not see any "acpi0" messages in the dmesg.
> > > > 
> > > > Thanks for your time,
> > > > 
> > > > -ansh
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
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> > -- 
> > =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
> > Lanny Baron
> > Proud to be 100% FreeBSD
> > http://www.FreeBSDsystems.COM
> > Toll Free: 1.877.963.1900
> > =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
> > 
-- 
=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
Lanny Baron
Proud to be 100% FreeBSD
http://www.FreeBSDsystems.COM
=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=



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