From: Liu Bo <liubo2009@cn.fujitsu.com>
To: Johannes Hirte <johannes.hirte@fem.tu-ilmenau.de>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH] Btrfs: hold enough space for global_rsv
Date: Fri, 09 Mar 2012 09:28:56 +0800 [thread overview]
Message-ID: <4F595CD8.7000900@cn.fujitsu.com> (raw)
In-Reply-To: <20120308202225.01ad2ffd@fem.tu-ilmenau.de>
On 03/09/2012 03:22 AM, Johannes Hirte wrote:
> Am Tue, 6 Mar 2012 14:50:32 +0100
> schrieb Johannes Hirte <johannes.hirte@fem.tu-ilmenau.de>:
>
>> I've backed up the filesystem, deleted the subvolumes, recreated them
>> and copied the data back. Now everything seems to work again. I've
>> also a full image of the damaged filesystem for further
>> investigation. If someone has an idea for testing, I'm happy to try
>> it.
>
> It's much worse than I thought. After a short time the same error
> happened again (no space left on device). So recreated the filesystem
> (mkbtrfs with default values) and copied the data from the backup back,
> but the error still came back. I'm now on kernel 3.2 which seems to
> work. I'll try to bisect the bad commit. For info, df says:
>
OK, plz show us the results after your bisect, let's narrow down where goes wrong.
thanks,
liubo
> Filesystem Size Used Avail Use% Mounted on
> rootfs 200G 128G 69G 66% /
> /dev/sda1 200G 128G 69G 66% /
> rc-svcdir 1.0M 128K 896K 13% /lib64/rc/init.d
> cgroup_root 10M 52K 10M 1% /sys/fs/cgroup
> udev 10M 168K 9.9M 2% /dev
> shm 2.0G 0 2.0G 0% /dev/shm
> /dev/sda1 200G 128G 69G 66% /home
>
> and btrfs fi df:
>
> Data: total=149.01GB, used=118.57GB
> System, DUP: total=8.00MB, used=24.00KB
> System: total=4.00MB, used=0.00
> Metadata, DUP: total=6.38GB, used=4.55GB
> Metadata: total=8.00MB, used=0.0
>
> Kernel 3.3-rc6 fails on this with "no space left on device".
> --
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>
next prev parent reply other threads:[~2012-03-09 1:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-17 9:51 [PATCH] Btrfs: hold enough space for global_rsv Liu Bo
2012-01-27 15:25 ` Chris Mason
2012-02-27 13:29 ` Johannes Hirte
2012-02-28 2:06 ` Liu Bo
2012-03-06 13:50 ` Johannes Hirte
2012-03-08 19:22 ` Johannes Hirte
2012-03-09 1:28 ` Liu Bo [this message]
2012-03-10 20:12 ` Johannes Hirte
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