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Date: Wed, 14 Jan 2004 11:41:43 -0500
From: Alexander Kabaev <ak03@gte.com>
To: David Gilbert <dgilbert@dclg.ca>
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cc: freebsd-hackers@freebsd.org
Subject: Re: Filesystem marker.
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Look for ffsfind.c elsewhere on Internet. I used one when I incidentally
relabeled a device from under a host on our SAN array. Had to modify it
slightly to recognize superblocks UFS2 on FreeBSD side, but on a bright
side, it worked pretty much unchanged on Solaris box.

Just in any case, I saved my copy at
http://people.freebsd.org/~kan/ffsfind.c

 On Wed, 14 Jan 2004 10:48:45 -0500
David Gilbert <dgilbert@dclg.ca> wrote:

> Is there a set of bytes at some offset in a block that is common to
> any instance of a BSD ufs filesystem?  I ask because recently my home
> machine erased it's fdisk block _and_ the bsdlabel with it.  It
> certainly didn't have time to erase the whole disk, but I'm having
> trouble guessing where the partitions are.
> 
> /usr/ports/sysutils/gpart will look for partitions on a disk ... but
> it only knows to look for bsd disklabels ... not bsd filesystems.
> Ideally, I'd like to make a bsd filesystem module for gpart with some
> pointers from the group.
> 
> Dave.
> 
> -- 
> =====================================================================
> =======|David Gilbert, Independent Contractor.       | Two things can
> only be     ||Mail:       dave@daveg.ca                    |  equal if
> and only if they ||http://daveg.ca                              |  
> are precisely opposite. 
> |=========================================================GLO========
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-- 
Alexander Kabaev