[CentOS] An ipmitool question

Thu Dec 20 20:20:40 UTC 2012
John R Pierce <pierce at hogranch.com>

On 12/20/2012 10:40 AM, m.roth at 5-cent.us wrote:
> We have some new blades, and last night we got a bunch of messages about
> CPU temp exceeding threshold, throttling CPU. Running ipmitool sel shows
> nothing. ipmitool sdr list shows me current values, nothing special.
> First question: why would high temps not show up in the SEL?
> Second: among the things I see list are
> <...>
> 10-VR P1         | 56 degrees C      | ok
> 11-VR P2         | 46 degrees C      | ok
> <...>
> Does anyone know what the numbers mean, if anything, and what VR means?
VR probably means Voltage Regulator, which is the on-board low voltage 
supplies for the CPU core (which run around 1.5V these days, +/- 
depending on what chip etc etc).