Common interface for sensors/health monitoring
julian at elischer.org
Sat Aug 22 07:04:17 UTC 2009
Aurélien Méré wrote:
> I've been using FreeBSD for years in all my servers, but I'm facing a big
> problem today. All servers are under monitoring using a couple of
> applications and scripts. Monitored items for each server especially are
> CPU/mobo/UPS/HDD temperatures, CPU load, memory use, fans speed, PSU/UPS
> voltages, HDD/RAID status&usage, network connectivity, UPS load, battery
> status & runtime, ...
> My concern today, excepted that there is no way to gather all the data
> through a unique interface and that consequently we have to change the
> scripts depending on hardware, is that some information are no longer
> available at all, especially concerning the MB IC, ie. temperatures,
> voltages & fan speed. Actually, some SMBus controllers (like from 2006 or
> so) are not supported by any driver and I didn't find any port updated to
> access the IC directly (if even possible). Currently, I sometimes have to
> use mbmon with direct I/O, sometimes mbmon with SMBus, sometimes healthd and
> sometimes nothing works (PR 137668 or 136762 as examples in my case).
> Besides that, I was quite surprised that these information are available in
> OpenBSD through a very simple and unique sysctl interface, with up-to-date
> drivers, working on all my servers with a generic install. I know that below
> this presentation layer, this may be much less perfect, and by digging in, I
> found that a 2007 GSoC project for porting the OpenBSD sensor framework was
> realised and planned to be put in HEAD. I also read hundreds of mails
> concerning this project, and why finally it was not commited.
> As developer, I fully understand some of the concerns in these threads and
> that there are probably lots of things to change and work on, integrate it
> in a cleaner repository like snmp or whatever; and I'd be glad to help in
> possible way to improve this. But in the meantime, as netadmin, this kind of
> information can be very important to prevent or diagnose major problems; so
> I'd like to know what is being planned/done on this subject, as I didn't
> find any
> more information related to this than a discussion during bsdcan 2008.
The purists won out in that one by shouting loudly and screaming about
socialized healthware. Consequently we have 47 million unsupported
> Thanks for your help and time,
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