From: Tomasz Chmielewski <mangoo@wpkg.org>
To: Chris Mason <chris.mason@oracle.com>,
Tomasz Chmielewski <mangoo@wpkg.org>,
linux-btrfs@vger.kernel.org
Subject: Re: replacing failed disks in RAID-1 (kernel BUG)?
Date: Tue, 14 Jul 2009 19:29:04 +0200 [thread overview]
Message-ID: <4A5CC060.2070308@wpkg.org> (raw)
In-Reply-To: <20090714172702.GI3783@think>
Chris Mason wrote:
> On Mon, Jul 13, 2009 at 12:28:09PM +0200, Tomasz Chmielewski wrote:
>> How do I replace failed disks in RAID-1 mode?
>>
>> I followed the http://btrfs.wiki.kernel.org/index.php/Using_Btrfs_with_Multiple_Devices, but it triggered a kernel BUG (using 2.6.30.1 kernel):
>>
>>
>> # mount -o degraded /dev/sdb4 /mnt/btrfs/
>>
>> # btrfs-vol -r missing /mnt/btrfs/
>> removing missing devices from /mnt/btrfs/
>> ioctl returns -1
>>
>> # dmesg -c
>> btrfs: unable to go below two devices on raid1
>>
>> # btrfs-vol -a /dev/sda4 /mnt/btrfs/
>> Speicherzugriffsfehler
>
> So, this should have worked. I'll dig into why the btrfs-vol -a failed.
Mind that I was using 2.6.30.1 kernel, so the code was not very fresh.
--
Tomasz Chmielewski
http://wpkg.org
prev parent reply other threads:[~2009-07-14 17:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-13 10:28 replacing failed disks in RAID-1 (kernel BUG)? Tomasz Chmielewski
2009-07-13 13:23 ` David Woodhouse
2009-07-13 13:35 ` Tomasz Chmielewski
2009-07-14 3:54 ` Roger Bumgarner
2009-07-14 8:36 ` Tomasz Chmielewski
2009-07-14 17:27 ` Chris Mason
2009-07-14 17:29 ` Tomasz Chmielewski [this message]
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