On Tue, July 11, 2017 14:16, 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. 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. -- *** e-Mail is NOT a SECURE channel *** Do NOT transmit sensitive data via e-Mail Do NOT open attachments nor follow links sent by e-Mail James B. Byrne mailto:ByrneJB at Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3