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Date:      Tue, 27 Jun 2000 17:41:28 -0700 (PDT)
From:      Steve Kargl <sgk@troutmask.apl.washington.edu>
To:        Josef Karthauser <joe@pavilion.net>
Cc:        Matthew Jacob <mjacob@feral.com>, Akinori -Aki- MUSHA <knu@idaemons.org>, andrews@technologist.com, mckusick@FreeBSD.ORG, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG
Subject:   Re: cvs commit: src/sys/contrib/softupdates softdep.h ffs_softdep.c
Message-ID:  <200006280041.RAA03048@troutmask.apl.washington.edu>
In-Reply-To: <20000628012956.B19558@pavilion.net> from Josef Karthauser at "Jun 28, 2000 01:29:56 am"

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Josef Karthauser wrote:
> On Tue, Jun 27, 2000 at 09:29:24AM -0700, Matthew Jacob wrote:
>>> 
>>> I'm not sure.... I have a feeling that there are softupdate problems
>>> running under SMP.  A number of times this year I've lost whole filesystems
>>> on an SMP machines. :(
>> 
>> Really? Have you told Kirk?
>> 
> 
> (This was on a 16gb ccd containing customer web data).  The second

Could be a softupdates and ccd interaction?

> More recently a friend of mine was having crashes doing a make
> world under 4.0 with SMP and softupdate.  Switching softupdates
> off caused the crashes to go away.

Was the FS nearly full or exceeding 100% full?  SU is/was known
to have problems if you were running under these conditions.

> 
> Is anyone else here using softupdates in an SMP environment?
> 

Of course ;-)  I've been using SU since Kirk allowed it to be
included in FreeBSD.  I haven't had a SU crash for a long, long,
time, and I've never completely lose a FS.

-- 
Steve


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