Re: [Ipmitool-devel] ipmitool session intervals

[Al C. <ch...@ll...>]

As Corey says, there *shouldn't* be a problem.  I can recall off the top
of my head at least three motherboards that had problems under heavy
load.  Heavy load here is not limited to IPMI but also to general
network traffic (e.g. to many GARPs flying around on the network).

Also, sensor readings can become affected if you do too much IPMI.  For
example, power readings or temperature readings are affected b/c you are
doing too much IPMI on the board.  Although you may consider IPMI
monitoring just part of the system, and the consequence of it is just
inherent in the sensor readings, I think most don't want that.  "too
much" is probably dependent on motherboard, but I know some people who
monitor more than every 5 seconds, which I feel is "too much."

Al

On Fri, 2010-03-26 at 14:34 -0700, Corey Minyard wrote:
> There *shouldn't* be an issue with this.  However, BMCs do have bugs, so 
> if you are having problems, it's not a big surprise.
> 
> -corey
> 
> Andrew Wozniak wrote:
> > Hi folks;
> >
> > First of all, thanks to everyone that supports/developes this
> > essential tool for the IPMI community.
> >
> > I have one fundamental question. Are there any guidelines or
> > limitations to how often ipmitool (over LAN) can be executed to insure
> > robust interaction with a BMC? Since ipmitool uses a synchronous
> > command/response protocol for each session, I would think not, as long
> > as the BMC keeps up.
> >
> > Or is there a case where blasting the BMC with a _fast_ series of
> > ipmitool operations will eventually cause the BMC to loose sync and
> > freeze up?
> >
> > Regards, Drew
> >   
> 
> 
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