From: Garrick Staples <garrick@usc.edu>
Subject: Re: 2.6.6 lockupy
Date: Wed, 26 May 2004 21:39:00 -0700
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Message-ID: <20040527043900.GC6931@polop.usc.edu>
References: <20040526211115.GI6931@polop.usc.edu> <20040526213732.GG2827@fieldses.org> <20040526214435.GK6931@polop.usc.edu> <20040526215555.GI2827@fieldses.org>
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On Wed, May 26, 2004 at 05:55:56PM -0400, J. Bruce Fields alleged:
> On Wed, May 26, 2004 at 02:44:36PM -0700, Garrick Staples wrote:
> > You didn't misunderstand... but I was at a complete loss with production
> > machines suddenly dropping like flies.  I'm now at the stage where I ju=
st try
> > random things =3DP
>=20
> OK.  May as well send us what information you have on the lockups, and
> maybe your .config while you're at it....

Filesystem corruption from the repeated lockups finally showed up today.  S=
o I
managed to get those two machines out of production for now.  I'll be able =
to
figure out to trigger the problem and hopefully get you some better info
tomorrow.

Btw, the failover capabilities of 2.6 has been very well tested the last few
days :)  Nearly 15TB of data was swapped back and forth during heavy writes.
Good job guys on that!

Btw, reiserfs+lvm2 is very resilient!

(does anyone have advice on triggering a kernel trace on ia64?)

--=20
Garrick Staples, Linux/HPCC Administrator
University of Southern California

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