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тАО12-17-2008 10:13 AM
тАО12-17-2008 10:13 AM
Slowing fans for Proliant 100-series
The only way to slow them down is using IPMI, but there is no full documentation on IPMI programming for HP servers, only several pdf docs claiming that incorrect actions can damage your motherboard, and other horrors.
Unfortunately, my organization acquired dl160 g5 that was heard from rooms 100 meters away.
I've spent almost a month reading this forum, other forums, blogs, etc... and finally managed to fix this problem. That's why I decided to write a quick how-to guide for other frustrated proliant owners.
-= Step1 =-
As usual, upgrade your BIOS, iLO firmare and reset CMOS (there is a little button near battery on motherboard), perhaps this would help.
-= Step2 =-
Install IPMI driver.
In Windows 2008 it is installed by default, so continue reading to step 3.
In Windows 2003 you'll need to install it manually, refer here for details:
http://blogs.sun.com/pavelbures/entry/utilizing_ipmi_kcs_interface_in
-= Step 3 =-
Unpack the attached file in folder C:\IPMI
It contains:
ipmitool.exe and libeay32 - from Sun's ipmitool port for Windows http://www.sun.com/download/products.xml?id=46f1ff04
winserv.exe - free open-source utility for running apps as a services http://sw4me.com/wiki/Winserv
*.cmd files - read below.
You can use other path of you choice, but in this case modify *.cmd files and replace "C:\IPMI" with your path.
Also, if you've installed SUN ISM driver during step 2, replace "-I ms" with "-I ism".
-= Step 4 =-
Testing the IPMI driver.
Run test1.cmd, if everything is ok you'll see the info on you server. If the error about opening IPMI appears, go back to Step 2.
-= Step 5 =-
Trying to slow down the fans.
Run test2.cmd, after several seconds (5-10 sec) they should slow down, if not - well, thx for reading, I can't help you anymore.
In my case fans go from 8000+ rpm down to 3200 rpm.
-= Step 6 =-
Installing as a service.
Run install.cmd to create "BMCreset" service. Upon windows start up it will slow fans and exit.
Later, use uninstall.cmd to get rid of it if you don't need anymore.
-= Step 7 =-
Stress-test your server.
The negative part of slow fans is guess what... heat. Slowing achieved by resetting BMC (baseboard management controller or smth like that), which also turns off fan control, so they won't speed up even if your server is going to blow. That's why I STRONGLY recommend you to be careful and watch closely temperature sensors.
For example, my dl160g5 has only 2 sensors - near PCI bus and rear ambient showing 45C and 41C, and thats quite a lot. It is 2008 server with Xeon 2.8Ghz, 10GB RAM and 3 HDDs, used as a file server, domain controller, internet NAT gateway, NetFlow collector and terminal server for 1-2 users. Now working normally almost a week without freezes, hangs, BSODs and errors.
Anyway, use this guide at your own risk, and only if desperate.
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тАО12-17-2008 05:09 PM
тАО12-17-2008 05:09 PM
Re: Slowing fans for Proliant 100-series
thanks a lot
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тАО12-26-2008 05:04 AM
тАО12-26-2008 05:04 AM
Re: Slowing fans for Proliant 100-series
There are some other people with the same problem so I really thank you if you guys could let us know your results.
Regards;
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тАО12-27-2008 05:57 AM
тАО12-27-2008 05:57 AM
Re: Slowing fans for Proliant 100-series
Just tried it with my ML115 and it didn't work unfortunately. Is there a command reference for ipmitool?
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тАО12-28-2008 11:34 PM
тАО12-28-2008 11:34 PM
Re: Slowing fans for Proliant 100-series
http://docs.sun.com/source/820-1120-19/WinIPMI.html
link at the bottom of page. Just don't forget to specify IPMI interface with -I switch ("ms" for Microsoft driver, "ims" for Sun driver).
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тАО12-28-2008 11:37 PM
тАО12-28-2008 11:37 PM
Re: Slowing fans for Proliant 100-series
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тАО01-14-2009 02:03 AM
тАО01-14-2009 02:03 AM
Re: Slowing fans for Proliant 100-series
This works...
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тАО01-14-2009 03:38 AM
тАО01-14-2009 03:38 AM
Re: Slowing fans for Proliant 100-series
ipmitool.exe -I ms bmc reset warm
Do you know a command to set the fans to original speed again?
In SpeedFan 4.37 you are able to execute a program, when a temperature is reached.
So i hope to get the fans temperature-controlled this way.
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тАО01-21-2009 05:18 AM
тАО01-21-2009 05:18 AM
Re: Slowing fans for Proliant 100-series
there is a hope :)
I have HP DL160 G5 Proliant with Debian Lenny (testing)
My question is:
how use it ipmitool from Windows Xp Prof by the LAN
I enabled IPMI share NIC in the bios.
Maybe you know commands to slow down FANs by the Lan (from windows xp)
best regards
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тАО01-22-2009 12:10 AM
тАО01-22-2009 12:10 AM
Re: Slowing fans for Proliant 100-series
ipmitool -I lanplus -H host ... etc
only one problem:
how to reset fan to normall speed without reset computer :) ???
darek