clear metadata using dd?

[Pawel Jakub Dawidek]

On Mon, Jan 08, 2007 at 03:17:51PM -0800, R. B. Riddick wrote:
> --- Fernan Aguero <fernan.aguero at gmail.com> wrote:
> > I imagine I have to use something like
> > dd if=/dev/zero of=/dev/ad4s3? bs=512 count=1
> > 
> > but adding either skip=? or seek=? to taste.
> > 
> > gama# fdisk -s /dev/ad4
> > /dev/ad4: 310101 cyl 16 hd 63 sec
> > Part        Start        Size Type Flags
> >    1:          63    16771041 0xa5 0x00
> >    2:    16771923   146795229 0xa5 0x80
> >    3:   146795292   188742708 0xa5 0x00
> > 
> What about "dd if=/dev/zero of=/dev/ad4s3 oseek=188742707"?
> 
> What does "gmirror status" say?
> I would remove the gmirror-s with "gmirror remove <device> <disk/slice>" (its
> easier than dd)...

If there is a gmirror configured on adXs3, I'd suggest doing:

	# gmirror stop <name of the mirror on adXs3>
	# gmirror clear adXs3

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-geom/attachments/20070109/1ed883f6/attachment.pgp