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Date:      Sun, 20 Oct 1996 20:10:13 +0200 (MET DST)
From:      Robert Eckardt <roberte@mep.ruhr-uni-bochum.de>
To:        grog@lemis.de (Greg Lehey)
Cc:        roberte@mep.ruhr-uni-bochum.de, questions@FreeBSD.org
Subject:   Re: Making a DOS Partition writeable
Message-ID:  <199610201810.UAA07671@ghost.mep.ruhr-uni-bochum.de>
In-Reply-To: <199610201558.RAA13239@freebie.lemis.de> from Greg Lehey at "20. Oct. 96 17:57:43"

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> Robert Eckardt writes:
> >> I have a 30MB Primary DOS partition on the same HD with FreeBSD.
> >> Unfortunately, it is Read-Only.  Is it possible to mount a DOS partition
> >> that id Read-Write capable?  Why is the primary DOS partition Read-Only?
> >
> > Look into /etc/fstab
> > You will find a line like
> > /dev/wd0s1                      /c              msdos   ro 0 0
> >                                This makes it read-only: ^^
> >
> > Just change it to
> > /dev/wd0s1      	        /c              msdos   rw 0 0
> 
> There's a good reason that DOS file systems get mounted read-only.
> The file system code *was* buggy, and a write to an MS-DOS file system
> could cause file system corruption.  I don't know if it's still the
> case--maybe somebody else can comment--but you should know the
> potential risks of writing to DOS file systems.

Greg,

thank you -- that is an important information.

I never experienced problems with the DOS-FS since 2.0 (even using from
time to time a vnode'd swap space on a file in the DOS partition. :-)

I think the problem indeed persists with FIPSed partitions (slices,
to be correct). (The mail did not "sound" like FIPS.)

Please, anyone correct me, but mounting a DOS-FS could -- under certain
circumstances -- corrupt the BSD-FS !?!?


Robert

-- 
Robert Eckardt                \\ FreeBSD -- solutions for a large universe.(tm)
RobertE@MEP.Ruhr-Uni-Bochum.de \\       What do you want to boot tomorrow ?(tm)
http://WWW.MEP.Ruhr-Uni-Bochum.de/~roberte
For PGP-key finger roberte@gluon.MEP.Ruhr-Uni-Bochum.de



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