From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Helmut Hullen" Subject: Re: Strangeness on btrfs balance.. Date: 05 Feb 2011 12:34:00 +0100 Message-ID: References: Reply-To: helmut@hullen.de Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII To: linux-btrfs@vger.kernel.org Return-path: In-Reply-To: List-ID: Hallo, Evert, Du meintest am 05.02.11: > I have kernel version 2.6.36.3, compiled with gcc 4.4.5, btrfstools > version 0.19+20101101 > I have a btrfs filesystem (/data) consisting of two 1TB hard disks, > raid0. > I added in another 1TB hard drive. > root@X86-64:~# btrfs filesystem show > failed to read /dev/sdh > failed to read /dev/sdg > failed to read /dev/sdf > failed to read /dev/sde > failed to read /dev/sr0 > failed to read /dev/fd0u800 > failed to read /dev/fd0 That's a "well known" error; the fix isn't yet implemented. > Any idea of why this is happening? > Last few lines of dmesg: > floppy0: disk absent or changed during operation > end_request: I/O error, dev fd0, sector 128 > end_request: I/O error, dev fd0, sector 0 May be that's another "well known" error; there is a fix too ... > btrfs: found 69 extents > btrfs: relocating block group 1897465380864 flags 9 > btrfs: found 95 extents > btrfs: found 95 extents > btrfs: relocating block group 1895317897216 flags 9 > btrfs: found 81 extents > btrfs: found 81 extents Just wait some time. When I remember correctly: the "relocating" message appears every minute (slightly rounded). In your example there's a difference of about 1/1000, you have to wait about 1000 minutes. Viele Gruesse! Helmut