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Date:      Mon, 4 Oct 2004 11:02:27 +0200
From:      Pawel Jakub Dawidek <pjd@FreeBSD.org>
To:        Chris Elsworth <chris@shagged.org>
Cc:        freebsd-geom@freebsd.org
Subject:   Re: SCSI disk getting disconnected on boot
Message-ID:  <20041004090227.GB73767@darkness.comp.waw.pl>
In-Reply-To: <20041004084442.GA65504@shagged.org>
References:  <20041004084442.GA65504@shagged.org>

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On Mon, Oct 04, 2004 at 09:44:42AM +0100, Chris Elsworth wrote:
+> GEOM_MIRROR[0]: Device gm: provider da1 activated.
+> GEOM_MIRROR[1]: Disk da0 state changed from NEW to SYNCHRONIZING (device=
 gm).
+> GEOM_MIRROR[0]: Device gm: provider mirror/gm launched.
+> GEOM_MIRROR[0]: Device gm: rebuilding provider da0.
+> GEOM_MIRROR[2]: Access da0 r0w1e1 =3D 1
+> GEOM_MIRROR[1]: Disk da0 state changed from SYNCHRONIZING to DISCONNECTE=
D (devi.
+> GEOM_MIRROR[0]: Device gm: provider da0 disconnected.
+> GEOM_MIRROR[2]: Disk da0 disconnected.
[...]
+> The only explanation I could think of - da0 is the boot device; [...]

I don't understand. You mirror da0 and da1 and still have da0<something>
in your /etc/fstab? Could you provide your /etc/fstab?

+> [...] Would using
+> mirror devices of da0s1 and da1s1 get round this?

If you open some partitions on da0 for writing, it will be disconnected
from the mirror. In that case using daXs1 should help, but the truth is,
that you shouldn't use da0 anymore (use /dev/mirror/gm instead).

--=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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