Very useful: [r...@server ~]# ipmitool sdr type Fan FAN 1 RPM | 30h | ok | 7.1 | 1320 RPM FAN 2 RPM | 31h | ok | 7.1 | 1320 RPM FAN 3 RPM | 32h | ok | 7.1 | 1440 RPM FAN 4 RPM | 33h | ok | 7.1 | 1680 RPM FAN 5 RPM | 34h | ok | 7.1 | 1560 RPM FAN 6 RPM | 35h | ok | 7.1 | 1680 RPM Fan RPM | 36h | ok | 10.1 | 3480 RPM Fan RPM | 37h | ok | 10.2 | 10080 RPM Fan RPM | 38h | ok | 10.3 | 3120 RPM Fan RPM | 39h | ok | 10.4 | 2160 RPM Fan Redundancy | 75h | ok | 7.1 | Fully Redundant
I wonder why one fan is so fast while the others are slower. I'm beginning to think the BIOS might be the next step, to check Fan speed options... On 12/08/10 13:55, Ryan Cox wrote: > We don't use OMSA here but do use ipmitool extensively. This may get > you what you need. > > Load the following kernel modules first: ipmi_si, ipmi_devintf, > ipmi_msghandler > Give it a few seconds and then run: > ipmitool sdr type Fan > > It can also be run remotely against an iDRAC (or BMC). > > We have had thermal issues before and it was almost always the result of > thumbscrews that weren't in all the way. There definitely could be a > different issue though. > > Ryan > > On 12/08/2010 02:49 PM, Erich Weiler wrote: >> Yeah, I tried OMSA, but for the life of me could not get it to read >> anything from the IPMI/BIOS interfaces. No idea why. I may just have >> to reboot and go into the BIOS manually and see what I can see there. >> >> Thanks! >> >> On 12/08/10 13:49, Bond Masuda wrote: >>> Have you checked the fan speeds? Are they at full throttle? I don't know >>> much about the R910, but usually you can get fan speed readings from >>> OMSA. >>> >>> -----Original Message----- >>> From: [email protected] >>> [mailto:[email protected]] On Behalf Of Erich Weiler >>> Sent: Wednesday, December 08, 2010 1:40 PM >>> To: Ryan Cox >>> Cc: [email protected] >>> Subject: Re: R910/Linux CPU Heat Problems? >>> >>>> Just so you know, the kernel is merely responding to interrupts from >>>> the processor cores themselves saying they are over temperature. >>>> The cores have their thresholds set and the kernel can't and doesn't >>>> mess with them. If the kernel reports the processors are hot, the >>>> processors are actually hot. >>> >>> Ah, good to know. It may be that the air is simply not cool enough >>> in the datacenter, but this would be the first time I've ever seen >>> this with any of our servers. I'll double check the screws and fans >>> and see if that might be an issue... >>> >>> _______________________________________________ >>> Linux-PowerEdge mailing list >>> [email protected] >>> https://lists.us.dell.com/mailman/listinfo/linux-poweredge >>> Please read the FAQ at http://lists.us.dell.com/faq >>> > _______________________________________________ Linux-PowerEdge mailing list [email protected] https://lists.us.dell.com/mailman/listinfo/linux-poweredge Please read the FAQ at http://lists.us.dell.com/faq
