On Thu, Apr 12, 2012 at 4:23 PM, Josef Bacik jo...@redhat.com wrote:
On Thu, Apr 12, 2012 at 09:37:48AM -0400, Josef Bacik wrote:
On Thu, Apr 12, 2012 at 11:22:51AM +0200, Ahmet Inan wrote:
On Wed, Apr 11, 2012 at 7:04 PM, Josef Bacik jo...@redhat.com wrote:
On Wed, Apr 11, 2012 at
On 13.04.2012 04:53, Tsutomu Itoh wrote:
Hi, Arne,
(2012/04/13 0:54), Arne Jansen wrote:
This is an implementation of snapshot deletion using the readahead
framework. Multiple snapshots can be deleted at once and the trees
are not enumerated sequentially but in parallel in many branches.
dmesg and fstab attached as requested.
Need dmesg after you've hit alt-sysrq-w a couple times during the slow period.
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On 13.04.2012 05:40, Liu Bo wrote:
On 04/12/2012 11:54 PM, Arne Jansen wrote:
This patchset reimplements snapshot deletion with the help of the readahead
framework. For this callbacks are added to the framework. The main idea is
to traverse many snapshots at once at read many branches at once.
On 04/13/2012 02:53 PM, Arne Jansen wrote:
On 13.04.2012 05:40, Liu Bo wrote:
On 04/12/2012 11:54 PM, Arne Jansen wrote:
This patchset reimplements snapshot deletion with the help of the
readahead
framework. For this callbacks are added to the framework. The main idea
is
to
On 13.04.2012 09:10, Liu Bo wrote:
On 04/13/2012 02:53 PM, Arne Jansen wrote:
On 13.04.2012 05:40, Liu Bo wrote:
On 04/12/2012 11:54 PM, Arne Jansen wrote:
This patchset reimplements snapshot deletion with the help of the
readahead
framework. For this callbacks are added to the framework.
On 04/13/2012 03:10 PM, Liu Bo wrote:
On 04/13/2012 02:53 PM, Arne Jansen wrote:
On 13.04.2012 05:40, Liu Bo wrote:
On 04/12/2012 11:54 PM, Arne Jansen wrote:
This patchset reimplements snapshot deletion with the help of the
readahead
framework. For this callbacks are added to the
On 04/13/2012 03:19 PM, Arne Jansen wrote:
might be out of memory. How much does this vm (?) have?
Can you try to reduce the constants in disk-io.c:2003-2005?
Thanks,
Arne
Seems not related to an OOM:
# free -m
total used free sharedbuffers cached
Hello,
Using find-new, I've seen that all regular extents seem to be 4k
aligned. Inline extents were not aligned.
Is it guaranteed that all regular extents are 4k aligned in
disk_bytenr, disk_num_bytes, offset and num_bytes? Even if COW or what
ever may happen happens?
Thanks,
Alex.
--
To
iref_to_path and iterate_irefs both increment the eb's refcount to use it
after releasing the path. Both depend on consistent data remaining in the
extent buffer and need a read lock to protect it.
Signed-off-by: Jan Schmidt list.bt...@jan-o-sch.net
---
fs/btrfs/backref.c | 17
On 13.04.2012 09:20, Liu Bo wrote:
On 04/13/2012 03:10 PM, Liu Bo wrote:
On 04/13/2012 02:53 PM, Arne Jansen wrote:
On 13.04.2012 05:40, Liu Bo wrote:
I see.
I've just tested it on 3.4-rc2, I cannot get it through due to the
following, could you take a look?
Apr 8 14:58:08 kvm
I originally created a RAID1(0) compound out of 4 drives. One of them
[sdf] failed recently and was removed. The filesystem is no longer
mountable with the 3 drives left.
On 3.3.1:
# btrfs dev scan
[ 1065.572938] device label srv devid 1 transid 11386 /dev/sdc
[ 1065.573044] device label srv
On Fri, Apr 13, 2012 at 12:55:43PM +0200, Jan Engelhardt wrote:
I originally created a RAID1(0) compound out of 4 drives. One of them
[sdf] failed recently and was removed. The filesystem is no longer
mountable with the 3 drives left.
On 3.3.1:
# btrfs dev scan
[ 1065.572938] device
On Fri, Apr 13, 2012 at 8:49 AM, cwillu cwi...@cwillu.com wrote:
dmesg and fstab attached as requested.
Need dmesg after you've hit alt-sysrq-w a couple times during the slow period.
here.
i guess i should also increase dmesg history size next time.
other than the slow boot, everything seems
# df
/dev/sdd5860554336 2651644680 20368600 100% /top.srv
# btrfs scrub status /top.srv
[ 4877.298065] BUG: unable to handle kernel NULL pointer dereference at
(null)
[ 4877.298122] IP: [811f4103] strncpy+0x7/0x1f
[ 4877.298159] PGD 193cc067 PUD accb067 PMD 0
On Friday 13 April 2012 20:58:22 Hugo Mills wrote:
I think you need -o degraded in this case.
I've always wondered why btrfs doesn't fall back to this by default if
it fails to find a device, would seem the obvious thing to do (we
don't have to tell mdadm if a disk has gone away for
http://comments.gmane.org/gmane.comp.file-systems.btrfs/16302
btrfsprogs identifies itself only as v0.19+.
so it's opensuse version, blaming myself. starting with the next update
there will be a date tag.
david
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Hi!
This is what happened while rsyncing my system disk to my btrfs backup
device after I enabled space caching for the latter (and first time using it
after 3.3.1, last time I sync'ed it was with 3.2.x):
# mount options
# LABEL=usb-backup /mnt/usb-backup btrfs \
#
These are usb disks? Does that failure at 12.241517 (or related)
happen every time?
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On Thu, Apr 12, 2012 at 10:56:00PM +, Duncan wrote:
Hugo Mills posted on Thu, 12 Apr 2012 22:55:46 +0100 as excerpted:
The general advice is -- use a single-device root filesystem, or an
initramfs. These are simple, supported, and will generally get good
help. Any other configuration
On Fri, Apr 13, 2012 at 2:57 PM, cwillu cwi...@cwillu.com wrote:
These are usb disks? Does that failure at 12.241517 (or related)
happen every time?
no, 0CCD:0052 is the webcam. i dont have the modules for the webcam
in initramfs, thats why.
the real slowness is around 33.305370
The 2 SATA
Hi Linus,
My for-linus branch has btrfs fixes and updates:
git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git for-linus
The top commit is the only one that isn't strictly a bug fix. It
updates the btrfs metadata checker code to support metadata blocks
larger than the page
On Friday 2012-04-13 12:58, Hugo Mills wrote:
On Fri, Apr 13, 2012 at 12:55:43PM +0200, Jan Engelhardt wrote:
I originally created a RAID1(0) compound out of 4 drives. One of them
[sdf] failed recently and was removed. The filesystem is no longer
mountable with the 3 drives left.
On
On Fri, Apr 13, 2012 at 02:26:19PM +0200, Ahmet Inan wrote:
On Fri, Apr 13, 2012 at 1:22 PM, Ahmet Inan
ai...@mathematik.uni-freiburg.de wrote:
On Fri, Apr 13, 2012 at 8:49 AM, cwillu cwi...@cwillu.com wrote:
dmesg and fstab attached as requested.
Need dmesg after you've hit alt-sysrq-w
On 4/12/2012 11:25 PM, Travis Shivers wrote:
A few months ago, my btrfs storage array became corrupted because of a
power failure. A while ago, I made this thread to try and resolve the
problem. (http://www.digipedia.pl/usenet/thread/11904/15955/) You can
find detailed information about the
Fix a bug, where in case we need to adjust stripe_size so that the
length of the resulting chunk is less than or equal to max_chunk_size,
DUP chunks turn out to be only half as big as they could be.
Cc: Arne Jansen sensi...@gmx.net
Signed-off-by: Ilya Dryomov idryo...@gmail.com
---
On 13.04.2012 16:05, Ilya Dryomov wrote:
Fix a bug, where in case we need to adjust stripe_size so that the
length of the resulting chunk is less than or equal to max_chunk_size,
DUP chunks turn out to be only half as big as they could be.
Cc: Arne Jansen sensi...@gmx.net
Signed-off-by:
On Thu, Apr 12, 2012 at 09:56:30PM +, Francesco Cepparo wrote:
On Thu, Apr 12, 2012 at 6:20 PM, Josef Bacik jo...@redhat.com wrote:
On Thu, Apr 12, 2012 at 02:15:25PM -0400, Chris Mason wrote:
On Thu, Apr 12, 2012 at 02:08:37PM -0400, Josef Bacik wrote:
On Wed, Apr 11, 2012 at
Actually, I was running 3.0.0-16 when the power failure occurred. I
upgraded to 3.2.8 shortly after the corruption occurred to see if it
would fix the corruption. I really do not care about completely
repairing or being able to mount the filesystem since I would just
like to get my data off the
commit 7a3ae2f8c8c8432e65467b7fc84d5deab04061a0 upstream.
In commit 4692cf58 (Linux 3.3) we introduced new backref walking code for
btrfs. This assumes we're searching live roots, which requires a transaction
context. While scrubbing, however, we must not join a transaction because
this could
On Fri, Apr 13, 2012 at 04:58:15PM +0200, Jan Schmidt wrote:
commit 7a3ae2f8c8c8432e65467b7fc84d5deab04061a0 upstream.
In commit 4692cf58 (Linux 3.3) we introduced new backref walking code for
btrfs. This assumes we're searching live roots, which requires a transaction
context. While
Hello!
Is there any documentation about btrfs mount flags wrt:
1. which flags are one-time options and are permanent,
2. which flags are global per btrfs partition,
3. which flags are local per subvolume mount?
I'm asking because while googling I found very confusing info about
autodefrag.
On Fri, Apr 13, 2012 at 08:25:59AM -0700, Greg KH wrote:
On Fri, Apr 13, 2012 at 04:58:15PM +0200, Jan Schmidt wrote:
commit 7a3ae2f8c8c8432e65467b7fc84d5deab04061a0 upstream.
In commit 4692cf58 (Linux 3.3) we introduced new backref walking code for
btrfs. This assumes we're searching
Just in case it is interesting, here's the blocked state (take note I
currently have other fs actions running on my btrfs root fs copying a lot of
files from a remote server):
Kai Krakow hurikhan77+bt...@gmail.com schrieb:
This is what happened while rsyncing my system disk to my btrfs backup
Kai Krakow posted on Fri, 13 Apr 2012 17:50:45 +0200 as excerpted:
Is there any documentation about btrfs mount flags wrt:
AFAIK the best documentation is the wiki, which you didn't mention, tho
you mentioned google. It's also possible that you found the old/outdated
(because it's read-only
Hugo Mills posted on Fri, 13 Apr 2012 14:16:32 +0100 as excerpted:
On Thu, Apr 12, 2012 at 10:56:00PM +, Duncan wrote:
Hugo Mills posted on Thu, 12 Apr 2012 22:55:46 +0100 as excerpted:
The general advice is -- use a single-device root filesystem, or an
initramfs. These are simple,
From: Sergei Trofimovich sly...@gentoo.org
CC: Chris Mason chris.ma...@oracle.com
Signed-off-by: Sergei Trofimovich sly...@gentoo.org
---
Makefile |6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
Ping.
--
Sergei
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On Fri, Apr 13, 2012 at 12:48 PM, Duncan 1i5t5.dun...@cox.net wrote:
Hugo Mills posted on Fri, 13 Apr 2012 14:16:32 +0100 as excerpted:
On Thu, Apr 12, 2012 at 10:56:00PM +, Duncan wrote:
Hugo Mills posted on Thu, 12 Apr 2012 22:55:46 +0100 as excerpted:
The general advice is -- use a
Jan Engelhardt posted on Fri, 13 Apr 2012 15:42:14 +0200 as excerpted:
On Friday 2012-04-13 12:58, Hugo Mills wrote:
On Fri, Apr 13, 2012 at 12:55:43PM +0200, Jan Engelhardt wrote:
I originally created a RAID1(0) compound out of 4 drives. One of them
[sdf] failed recently and was removed.
cwillu posted on Fri, 13 Apr 2012 14:03:38 -0600 as excerpted:
The fact is that you _don't_ know that your device names aren't going to
change one day, any more than a generation of developers who only worked
with ext3 knew that fsync is expensive and all you really need is the
atomic
Am Freitag, 13. April 2012 schrieb Kai Krakow:
Hello!
Hi!
Is there any documentation about btrfs mount flags wrt:
1. which flags are one-time options and are permanent,
2. which flags are global per btrfs partition,
3. which flags are local per subvolume mount?
I'm asking because while
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Hash: SHA1
Please excuse my ignorance here, but I wondered if this could be a BTRFS
related issue... and perhaps one which might not often be spotted if it is.
A friend of mine has been having trouble with a backup application on a
BTRFS filesystem, and
That did it :) the kernel now fails the mounting gracefully as it did before. :)
Thanks!
On Fri, Apr 13, 2012 at 2:45 PM, Josef Bacik jo...@redhat.com wrote:
On Thu, Apr 12, 2012 at 09:56:30PM +, Francesco Cepparo wrote:
On Thu, Apr 12, 2012 at 6:20 PM, Josef Bacik jo...@redhat.com wrote:
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