From: Hubert Kario <hka@qbs.com.pl>
To: CACook@quantum-sci.com
Cc: linux-btrfs@vger.kernel.org
Subject: Re: Adding a disk fails
Date: Fri, 21 Jan 2011 11:41:17 +0100 [thread overview]
Message-ID: <201101211141.17846.hka@qbs.com.pl> (raw)
In-Reply-To: <201101210216.49389.CACook@quantum-sci.com>
On Friday, January 21, 2011 11:16:49 CACook@quantum-sci.com wrote:
> On Thu 20 January 2011 22:55:54 Hubert Kario wrote:
> > You still have a btrfs on /dev/sdc, do a
> > dd if=3D/dev/zero of=3D/dev/sdc bs=3D8192
> > (overkill, but I don't remember which blocks have to be zeroed to d=
estroy
> > btrfs superblock)
>=20
> I gave up and started over. Maybe it should be clarified in the wiki=
that
> no mkfs should be done on additional volumes, as it's counterintuitiv=
e to
> some.
>=20
> > yes. rc.local is too late, unless you will also mount the volume fr=
om
> > there and not using /etc/fstab
>=20
> How and when then?
in, or before /etc/rcS.d/S35mountall.sh
>=20
> > That depends - it has to be done before mounting. And if the device=
is
> > part of the boot partition then you may put the "scan" command into=
an
> > init-ramdisk.
>=20
> This does not seem to have been sent to the listserv, as I only got i=
t in a
> reply. This is likely incomplete.
It was sent to list, your MUA may have merged messages with identical M=
essage-
ID.
>=20
> > Using something like "device=3D/dev/sdb,device=3D/dev/sdc" on fstab=
mount
> > options should also work.
>=20
> You mean as a substitute for a scan?
Would seem so, but I haven't tried this
>=20
> On my other server the btrfs array seems to mount just fine without a=
ny
> measures to scan. I don't understand this, nor why no specific advi=
ce is
> given about scanning on boot in the wiki.
your distro may have alredy put it in initrd or initramfs (for example =
fedora=20
and archlinux do)
--=20
Hubert Kario
QBS - Quality Business Software
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next prev parent reply other threads:[~2011-01-21 10:41 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-20 21:18 Adding a disk fails Carl Cook
2011-01-20 22:13 ` Goffredo Baroncelli
2011-01-20 23:10 ` Carl Cook
2011-01-21 6:55 ` Hubert Kario
2011-01-21 10:16 ` CACook
2011-01-21 10:41 ` Hubert Kario [this message]
2011-01-21 7:00 ` Helmut Hullen
2011-01-21 8:00 ` Fajar A. Nugraha
2011-01-21 18:42 ` Goffredo Baroncelli
2011-01-21 19:16 ` CACook
2011-01-21 6:57 ` Helmut Hullen
2011-01-21 10:51 ` Helmut Hullen
2011-01-21 13:23 ` Helmut Hullen
2011-01-20 22:31 ` Carl Cook
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