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Date: Mon, 8 Nov 2004 13:46:06 +0100
From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
To: Terje Elde <terje+geom@elde.net>
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Subject: Re: gmirror problems
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On Mon, Nov 08, 2004 at 01:05:13PM +0100, Terje Elde wrote:
+> On Mon, Nov 08, 2004 at 12:55:06PM +0100, Pawel Jakub Dawidek wrote:
+> > Ok, everything is clear now. You disconnected ad1, but ad0 was marked
+> > for synchronization. It that case gmirror cannot find any valid compon=
ent,
+> > because the only one it can find is stale.
+> > So:
+> > 1. You should test it when mirror is in complete state (then you can r=
emove
+> >    any component).
+> > 2. You can remove ad0 and put ad1 to make your test.
+>=20
+> Hi,
+>=20
+> This makes a interesting question pop up in my head.
+>=20
+> If his ad1 had been reformatted, burned or lost, if there any way he cou=
ld try
+> to partially recover from this?

Yes, he can just:

	# gmirror create <name> ad0

Only new metadata will be written, data are not touched.

Then just add a new disk and synchronization will start automatically:

	# gmirror insert <name> ad1

--=20
Pawel Jakub Dawidek                       http://www.FreeBSD.org
pjd@FreeBSD.org                           http://garage.freebsd.pl
FreeBSD committer                         Am I Evil? Yes, I Am!

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