Date: Sat, 30 Nov 2002 18:18:01 +0000 (GMT) From: Daniel Flickinger <attila@hun.org> Cc: Poul-Henning Kamp <phk@critter.freebsd.dk>, FreeBSD 5.0-CURRENT <current@freebsd.org> Subject: Re: Trashed Disk Labels Message-ID: <20021130181801.uQuC2110@hun.org> In-Reply-To: <200211300700.gAU70V59078064@beastie.mckusick.com> References: <20021130174229.L3363-100000@gamplex.bde.org>
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Sent: Fri, 29 Nov 2002 23:00:31 -0800 by Kirk McKusick
| Date: Sat, 30 Nov 2002 17:43:53 +1100 (EST)
| From: Bruce Evans <bde@zeta.org.au>
| >
| > Labels should be write protected, but this seems to have been broken
| > by GEOM.
|
| Disk labels certainly used to be write protected. Not sure when that
| stopped, but it certainly would have been useful in this recent context.
Write protect after 'disklabel ...' disappeared roughly 01
Oct when GEOM became the default. Prior to that, before
rewriting a label it was always necessary to 'disklabel -W
special' to rewrite.
With GEOM, I made it a habit to 'disklabel -N special'
after writing a label which is probably why I lost only the
single UFS2 partition with the updated UFS2 in the 1200Z 27
Nov build, rather than the whole dangerously dedicated disk
(which would have created excessive angst).
FWIW, I keep copies of all disklabels and pgp keys on
separate 3.5s. Since I have them, I haven't needed them.
Yes, disklabel protect after write should be restored.
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