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Date:      Mon, 21 Oct 1996 22:55:35 -0700 (PDT)
From:      Doug White <dwhite@gdi.uoregon.edu>
To:        Snob Art Genre <benedict@echonyc.com>
Cc:        Robert Eckardt <roberte@mep.ruhr-uni-bochum.de>, Greg Lehey <grog@lemis.de>, questions@FreeBSD.org
Subject:   Re: Making a DOS Partition writeable
Message-ID:  <Pine.BSI.3.94.961021225316.4986K-100000@gdi.uoregon.edu>
In-Reply-To: <Pine.SOL.3.91.961021031112.16608A-100000@echonyc.com>

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On Mon, 21 Oct 1996, Snob Art Genre wrote:

> > Please, anyone correct me, but mounting a DOS-FS could -- under certain
> > circumstances -- corrupt the BSD-FS !?!?
> > 
> 
> Shortly after I installed FreeBSD, I was running two finds on different
> virtual consoles, with /msdos mounted, and my machine crashed hard.  When
> it came back up, my entire FreeBSD installation was hosed.  I can't say it
> was definitely due to msdosfs, but I suspect it. 

The primary problem comes when you FIPS a partition and cause the cluster
size to change.  FreeBSD assumes a perfect world while FIPS cheats -- it
SHOULD rewrite all those sectors back down to the smaller clustersize but
that takes a while (I had a program that actually did it right!) esp. on
big disks.  

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major




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