Re: bonnie++ uninterruptible under heavy I/O load

From: Fabio Coatti
Date: Fri Mar 11 2005 - 08:22:18 EST

Alle 12:35, venerdì 11 marzo 2005, Denis Vlasenko ha scritto:

> >
> > Unresponsiveness is not 2.6.11 specific (we've seen the same thing on
> > 2.6.10 and 2.6.8), not I/O scheduler specific ("as" and "deadline" behave
> > the same) and not CPU/SMP specific (reproduced on single P4 HT and single
> > P3), but only on these two DL585 servers we've seen bonnie++ resisting
> > kill -9 for tens of seconds.
> >
> > Of course on request I can provide any other useful info.
> > Any help is appreciated.
> I think Alt-SysRq-T will be interesting to see

Unfortunately this machine is on a remote location, so we don't have access to
keyboard. In some days we will be able to have a report of Alt-SysRq-T, but
until this of course we can provide any information that can be gathered on
a remote shell.

Fabio Coatti Wireless Solutions SpA - DADA group
Services Manager Europe HQ, via Castiglione 25 Bologna Tel: +390512966811 Fax: +390512966800
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