Re: [Xen-users] dom0 freezes under high IO load - HP ML150 G2

[Daniel Mealha Cabrita <dancab@xxxxxxxxxxxx>]

hello Tom,


        I've made a test remotely using the guinea-pig HP (I'm at home now).
I ran the following during  ~5 minutes.

#!/bin/sh
#
while [ 1 ]; do
        cat /proc/slabinfo > /dev/null
done


Nothing happened.
I stopped the script.

A few minutes later I mounted the raid volume.
It might be a coincidence, anyways just a few seconds after that (I barely 
cd'ed to the mounted directory) the machine simply locked up. It never 
happened that fast before, much less before starting the stress test.


Are there any other symptoms you've noticed in your case?


Em Sáb 03 Mar 2007 00:24, você escreveu:
> Hello Daniel.
>
> We've had similar problems, but have received very little feedback
> from our machines.
>
> Our setup is also not entirely similar to yours. :-)
>
> Could you try something out?
>
> Set a cron job to run every 1 minute:
>
>    cat /proc/slabinfo >> /root/slabinfo.txt
>
> When we do this, our problem gets *much* worse. I'd love to know if
> these are similar problems.

-- 
 Daniel Mealha Cabrita
 Divisao de Suporte Tecnico
 AINFO / Reitoria / UTFPR
 http://www.utfpr.edu.br

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