From: CACook@quantum-sci.com
To: linux-btrfs@vger.kernel.org
Subject: Re: Adding a disk fails
Date: Fri, 21 Jan 2011 02:16:49 -0800 [thread overview]
Message-ID: <201101210216.49389.CACook@quantum-sci.com> (raw)
In-Reply-To: <201101210755.54750.hka@qbs.com.pl>
On Thu 20 January 2011 22:55:54 Hubert Kario wrote:
> You still have a btrfs on /dev/sdc, do a
> dd if=/dev/zero of=/dev/sdc bs=8192
> (overkill, but I don't remember which blocks have to be zeroed to destroy
> btrfs superblock)
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 counterintuitive to some.
> yes. rc.local is too late, unless you will also mount the volume from there
> and not using /etc/fstab
How and when then?
> 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.
This does not seem to have been sent to the listserv, as I only got it in a reply. This is likely incomplete.
> Using something like "device=/dev/sdb,device=/dev/sdc" on fstab mount
> options should also work.
You mean as a substitute for a scan?
On my other server the btrfs array seems to mount just fine without any measures to scan. I don't understand this, nor why no specific advice is given about scanning on boot in the wiki.
next prev parent reply other threads:[~2011-01-21 10:16 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 [this message]
2011-01-21 10:41 ` Hubert Kario
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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