At the moment I am using:
defaults,noatime,nodiratime,ssd,subvol=@home
No need to specify ssd, it's automatically detected.
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On Sun, May 26, 2013 at 9:16 AM, Harald Glatt m...@hachre.de wrote:
I don't know a better way to check than doing df -h before and
after... If you use space_cache you have to clear_cache though to make
the numbers be current for sure each time before looking at df.
Not sure what you're
On Thu, Jun 13, 2013 at 3:21 PM, Hugo Mills h...@carfax.org.uk wrote:
On Thu, Jun 13, 2013 at 11:09:00PM +0200, Hendrik Friedel wrote:
Hello,
I'd appreciate your recommendation on this:
I have three hdd with 3TB each. I intend to use them as raid5 eventually.
currently I use them like this:
Does anything show up in dmesg when you mount?
If mount just hangs, do an alt-sysrq-w, and then post what that sends to dmesg.
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Making this with all 6 devices from the beginning and btrfsck doesn't
segfault. But it also doesn't repair the system enough to make it
mountable. ( nether does -o recover, however -o degraded works, and
files
are then accessible )
Not sure I entirely follow: mounting with -o degraded (not
On Tue, Jul 23, 2013 at 9:47 AM, Rick van Rein r...@vanrein.org wrote:
Hello,
For over a year now, I've been experimenting with stacked filesystems as a
way to save on resources. A basic OS layer is shared among Containers, each
of which stacks a layer with modifications on top of it.
On Mon, Sep 16, 2013 at 8:58 AM, Ross Kirk ross.k...@gmail.com wrote:
Unused parameter cleanup
Ross Kirk (1):
btrfs: drop unused parameter from btrfs_item_nr
fs/btrfs/backref.c|2 +-
fs/btrfs/ctree.c | 34 +-
fs/btrfs/ctree.h | 13
Another user has just reported this in irc on 3.11.2
kernel BUG at fs/btrfs/relocation.c:1055!
invalid opcode: [#1] SMP
Modules linked in: ebtable_nat nf_conntrack_netbios_ns
nf_conntrack_broadcast ipt_MASQUERADE ip6table_nat nf_nat_ipv6
ip6table_mangle ip6t_REJECT nf_conntrack_ipv6
On Sun, Dec 12, 2010 at 8:24 AM, Hubert Kario h...@qbs.com.pl wrote:
On Wednesday 08 of December 2010 22:53:25 William Sheffler wrote:
Hello btrfs community.
First off, thanks for all your hard work... I have been following
btrfs with interest for several years now and very much look forward
On Mon, Dec 13, 2010 at 3:25 AM, Gordan Bobic gor...@bobich.net wrote:
On 12/13/2010 05:11 AM, Sander wrote:
Gordan Bobic wrote (ao):
On 12/12/2010 17:24, Paddy Steed wrote:
In a few weeks parts for my new computer will be arriving. The storage
will be a 128GB SSD. A few weeks after that I
On Mon, Dec 20, 2010 at 10:16 PM, Fajar A. Nugraha l...@fajar.net wrote:
On Tue, Dec 21, 2010 at 10:51 AM, C Anthony Risinger anth...@extof.me wrote:
in short, everything works fine until you --bind across a subvol via
the special folders created when one takes a snapshot,
# mount --bind
On Wed, Nov 17, 2010 at 8:08 PM, Li Zefan l...@cn.fujitsu.com wrote:
Hi Chris,
Here's the updated patchset. As I still haven't got a kernel.org
account, I have set up a git tree in another public git repository,
and I'll use it for now.
You can pull from:
After doing something silly (not sure what yet) with a server's
4-drive btrfs raid1 root, I've been booting off a 5th drive (also on
btrfs) while poking at the original array. I've found that errors
triggered by poking around on the mounted-but-broken 4-drive raid (on
/mnt) cause the system to
On Fri, Jan 7, 2011 at 1:25 PM, Tomasz Chmielewski man...@wpkg.org wrote:
The forthcoming[1] btrfsck tool should handle that particular
error, I believe.
I noticed a similar problem was discussed here, with a solution:
http://www.spinics.net/lists/linux-btrfs/msg07572.html
where a
On Fri, Jan 7, 2011 at 2:01 PM, Tomasz Chmielewski man...@wpkg.org wrote:
On 07.01.2011 20:46, cwillu wrote:
However, I don't see the tool when I clone the latest git - am I missing
something?
It's not built by the makefile by default; make btrfs-select-super
as stated above will make
On Fri, Jan 7, 2011 at 2:02 PM, Ken D'Ambrosio k...@jots.org wrote:
On Fri, January 7, 2011 2:09 pm, Hugo Mills wrote:
On Fri, Jan 07, 2011 at 08:01:47PM +0100, Tomasz Chmielewski wrote:
I got a power cycle, after which I'm no longer able to mount btrfs
filesystem:
[...]
The forthcoming[1]
On Fri, Jan 7, 2011 at 3:15 PM, Andrew Schretter schr...@math.duke.edu wrote:
I have a 10TB btrfs filesystem over iSCSI that is currently unmountable. I'm
currently running Fedora 13 with a recent Fedora 14 kernel
(2.6.35.9-64.fc14.i686.PAE)
and the system hung with messages like :
parent
On Fri, Jan 14, 2011 at 6:57 PM, Niklas Schnelle nik...@komani.de wrote:
I was running a cp -ar /mnt/extern/foo/* /mnt/extern/bar/subvolume/ on
my USB harddrive which was formatted yesterday (rsyncing about 90 GB
worked yesterday without problems)
when I was dropped to a console with the error
On Fri, Jan 14, 2011 at 7:17 PM, Carl Cook cac...@quantum-sci.com wrote:
Apparently my command is no good. No one ever responded to my question
below, so maybe I'm not smart enough to ask the right way.
I can ssh from the backup server to the HTPC, but it crashes with a 'dirty'
error:
#
On Sat, Jan 22, 2011 at 5:41 PM, Clemens Eisserer linuxhi...@gmail.com wrote:
E.g. suppose you have a LZO compressed file, then a program rewrites some
data which is in the middle of the file, and suppose the newly written data
is less compressible.
Any idea how this is handled? I would be
A couple hours after a build finished involving creating and deleting
a couple snapshots, I got the following BUG. The system locked up
completely.
This is 2.6.38rc2 with btrfs from josef's master (9d4ba5: Btrfs:
handle errors in btrfs_orphan_cleanup).
Original screenshot at
On Tue, Feb 1, 2011 at 11:37 PM, cwillu cwi...@cwillu.com wrote:
A couple hours after a build finished involving creating and deleting
a couple snapshots, I got the following BUG. The system locked up
completely.
This is 2.6.38rc2 with btrfs from josef's master (9d4ba5: Btrfs:
handle
On Wed, Feb 2, 2011 at 12:05 AM, Chris Samuel ch...@csamuel.org wrote:
On 02/02/11 16:41, cwillu wrote:
Building btrfs from josef's tree seems to clear this up,
I was able to build dozens of times without errors.
Interesting, I wonder what fixes it ?
The error was an ENOSPC, which
On Sat, Feb 5, 2011 at 6:18 AM, Felix Blanke felixbla...@gmail.com wrote:
Hi,
I don't think that the fs is a good place to store default mountoptions.
If you want to auto mount usb devices with compression, just write a
udev rule or whatever ubuntu uses to mount usb devices.
I believe the
On Tue, Feb 8, 2011 at 3:00 AM, Leonidas Spyropoulos
artafi...@gmail.com wrote:
On Feb 8, 2011 12:09 AM, C Anthony Risinger anth...@extof.me wrote:
On Mon, Feb 7, 2011 at 3:21 PM, Leonidas Spyropoulos
artafi...@gmail.com wrote:
Hey all,
I run into no space left on device on a virtualbox
On Wed, Feb 9, 2011 at 8:52 PM, Ben Gamari bgam...@gmail.com wrote:
Hey all,
Over the last several months there have been many claims regarding the
release of the rewritten btrfsck. Unfortunately, despite numerous
claims that it will be released Real Soon Now(c), I have yet to see
even a
On Mon, Feb 14, 2011 at 3:59 AM, Zhong, Xin xin.zh...@intel.com wrote:
We build packages in a kvm-qemu chroot environment. And the root fs is btrfs.
It hang during installing packages. And we found error message in dmesg:
[ 84.320466] btrfs: use compression
[ 288.711396] [ cut
On Fri, Mar 4, 2011 at 5:59 PM, Alexey A Nikitin moonwal...@syrius.us wrote:
I have BTRFS RAID0 setup with two disks. After some incident where I
had to force shutdown machine this array won't mount anymore, even
after btrfs device scan. Unfortunately, I don't have backups since I
can't afford
On Fri, Mar 4, 2011 at 7:20 PM, Alexey A Nikitin moonwal...@syrius.us wrote:
I pulled the btrfs-select-super source from get branch 'next',
compiled it, but when I run it using
./btrfs-select-super -s 1 /dev/sdb1
all I get is
btrfs-select-super: disk-io.c:739: open_ctree_fd: Assertion
On Sun, Mar 13, 2011 at 5:32 AM, Pau Iranzo pauli...@gmail.com wrote:
Hi,
I installed Ubuntu on my girlfriend's laptop using btrfs as a
filesystem. But a few weeks ago something happened: the system
wouldn't boot and always show these messages:
On Fri, Mar 18, 2011 at 8:40 AM, Chris Mason chris.ma...@oracle.com wrote:
I think that filling all the devices fully is more important than the
initial spread. Miao is correct that the administrator will
probably complain if all the devices aren't used for the initial stripes.
But, over the
I can mount it back, but not if I reload the btrfs module, in which case I
get:
[ 1961.328280] Btrfs loaded
[ 1961.328695] device fsid df4e5454eb7b1c23-7a68fc421060b18b devid 1 transid
118 /dev/loop0
[ 1961.329007] btrfs: failed to read the system array on loop0
[ 1961.340084] btrfs:
On Tue, Mar 29, 2011 at 2:09 PM, Andrew Lutomirski l...@mit.edu wrote:
I have a disk with a SMART failure. It still works but I assume it'll
fail sooner or later.
I want to remove it from my btrfs volume, replace it, and add the new
one. But the obvious command doesn't work:
# btrfs
[ 1770.041623] [ cut here ]
[ 1770.041655] kernel BUG at
/build/buildd/linux-2.6.35/fs/btrfs/volumes.c:3037!
[ 1770.041684] invalid opcode: [#1] SMP
[ 1770.041707] last sysfs file: /sys/devices/virtual/bdi/btrfs-3/uevent
[ 1770.041734] CPU 1
[ 1770.041744]
On Mon, Apr 25, 2011 at 2:50 PM, Peter Stuge pe...@stuge.se wrote:
Maik Zumstrull wrote:
Bug at fs/btrfs/free-space-cache.c:1246
Bug type: invalid opcode:
Kernel not tainted, running on an ASUSTek 1005HAG
EIP is at btrfs_add_free_space+0x285/0x39a [btrfs]
You will probably need
On Fri, Apr 29, 2011 at 6:16 PM, Darrick J. Wong djw...@us.ibm.com wrote:
On Fri, Apr 29, 2011 at 06:00:16PM -0600, cwillu wrote:
On Fri, Apr 29, 2011 at 5:48 PM, Darrick J. Wong djw...@us.ibm.com wrote:
Hi,
I was giving btrfs (2.6.39-rc4) a quick tryout today and noticed some odd
On Sun, May 1, 2011 at 12:33 PM, Claes Gyllenswärd lethar...@gmail.com wrote:
I've tried setting up a raid1 on two drives like this:
mkfs.btrfs -m raid1 -d raid1 /dev/sdb /dev/sdc
Then I copy my old install onto the new drives, and check the drives' status:
# mount | grep on /
/dev/sdb on
On Tue, May 3, 2011 at 4:33 AM, Bernhard Schmidt be...@birkenwald.de wrote:
Peter Stuge pe...@stuge.se wrote:
Hey,
defragging btrfs does not seem to work for me. I have run the filefrag
command over the whole fs and (manually) tried to defrag a few heavily
fragmented files, but I don't get
On Tue, May 3, 2011 at 7:32 PM, Geoff Ritter geoff.rit...@gmail.com wrote:
Not sure where to report bugs or even find a coherent list of them. Sorry
if this is already well known.
When attempting to use an unlocked encrypted device as either a seed device
or the writeable device, a kernel
On Wed, May 4, 2011 at 5:39 AM, Martin Schitter m...@mur.at wrote:
Am 2011-05-04 04:18, schrieb Fajar A. Nugraha:
could you give me some advice how to debug/report this specific
problem more
precise?
If it's not reproducible then I'd suspect it'd be hard to do.
the last working snapshot
On Thu, May 5, 2011 at 12:09 PM, cac...@quantum-sci.com wrote:
Anyone have a suggestion?
Also on another machine set up similarly, I now cannot mkdir. It says 'no
space left on device'. df says:
# df /dev/sdb
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sdb
On Thu, May 5, 2011 at 8:49 AM, cac...@quantum-sci.com wrote:
On Wednesday 4 May, 2011 02:51:54 Sander wrote:
Put an exit on top of /etc/kernel/postrm.d/zz-update-grub and try again.
Install grub-pc 1.99~rc1-13 from Sid.
First I put an exit right after #! /bin/sh and it failed. Then I
On Thu, May 5, 2011 at 1:50 PM, cac...@quantum-sci.com wrote:
I was afraid of this finger-pointing.
Of course no one at Debian is going to know how to fix BTRFS jamming the
package management system. That's ridiculous.
I took the liberty of asking #debian, and they've requested that you
On Thu, May 5, 2011 at 2:32 PM, cac...@quantum-sci.com wrote:
Here is the relevant section of strace:
BTW, I fixed the 'no space left on device' on the other machine with a btrfs
balance. No one seems to know this, but even though df reports that 64% of
the disk array is used, apparently
On Thu, May 5, 2011 at 2:57 PM, cac...@quantum-sci.com wrote:
On Thursday 5 May, 2011 13:31:17 cwillu wrote:
I took the liberty of asking #debian, and they've requested that you
file a bug in their bug tracker. They've also suggested that you
might be able to short-circuit the faulty script
On Thu, May 5, 2011 at 3:40 PM, cac...@quantum-sci.com wrote:
On Thursday 5 May, 2011 13:40:25 cwillu wrote:
Could you include the information I asked for previously? (Kernel
version, output of btrfs fi df and btrfs fi show)
Kernel 2.6.37-2
# btrfs fi df /home
Data, RAID0: total=2.61TB
On Thu, May 5, 2011 at 3:48 PM, cac...@quantum-sci.com wrote:
On Thursday 5 May, 2011 13:59:23 Lars Wirzenius wrote:
dpkg --fsys-tarfile foo.deb | tar -C / -tf -
I was expecting this to extract into the local directory, although it seems
to have extracted into the final destinations. Can't
On Wed, May 11, 2011 at 4:07 PM, Marek Fstump marekfst...@gmail.com wrote:
Sorry, but i keep trying to send a question regarding poor
perforamance results (when compared to other FS's)... but after a
couple of days and various emails, nothing is appearing in the list...
so i wonder is it
for my application and I am
hoping that there are some factors that I am missing
and would appreciate any advice / help
Graph is here (Thank you ‘cwillu’)
http://cwillu.com/files/btrfs/read-write_perf.pdf
A couple questions:
Which kernel version?
How big is the partition the testing is done
[...]
aligning logical blocks to erase blocks can give some performance but the
only
way to make it really fast is not to use USB
[...]
For something that fits in your pocket and is almost
universally bootable, there are not so many other options.
An ssd drive in a USB enclosure is about
On Thu, May 19, 2011 at 4:12 PM, Stephane Chazelas
stephane_chaze...@yahoo.fr wrote:
2011-05-19 15:54:23 -0600, cwillu:
[...]
Try with the ssd_spread mount option.
[...]
Thanks. I'll try that.
I wonder now what credit to give to recommendations like in
http://www.patriotmemory.com
Try btrfs filesystem balance start -dusage=15 /home, and gradually
increase it until you see it relocate at least one chunk.
On Tue, Feb 25, 2014 at 2:27 PM, Marcus Sundman sund...@iki.fi wrote:
On 25.02.2014 22:19, Hugo Mills wrote:
On Tue, Feb 25, 2014 at 01:05:51PM -0500, Jim Salter wrote:
Bedup was/is a third-party project, not sure if its developer follows this list.
Might be worth filing a bug or otherwise poking the author on
https://github.com/g2p/bedup
On Wed, Mar 5, 2014 at 2:43 PM, Marc MERLIN m...@merlins.org wrote:
On Wed, Mar 05, 2014 at 06:24:40PM +0100, Swāmi
Have you tried the -M option to mkfs.btrfs? I'm not sure if we select
it automatically (or if we do, whether you have recent enough tools to
have that).
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On Fri, Apr 4, 2014 at 12:46 PM, Marc MERLIN m...@merlins.org wrote:
On Wed, Apr 02, 2014 at 04:29:35PM +0800, Qu Wenruo wrote:
Convert man page for btrfs-zero-log
Signed-off-by: Qu Wenruo quwen...@cn.fujitsu.com
---
Documentation/Makefile | 2 +-
fallocating the file first. Looking at the fiemap output
while doing either of those, you'll see a new 4k extent being made,
and then the physical location of that extent will increment until the
writes move on to the next 4k extent.
cwillu@cwillu-home:~/work/btrfs/e2fs$ touch /tmp/test
f=open('/tmp
On Fri, Jul 1, 2011 at 4:32 PM, Christian cdys...@gmail.com wrote:
I tried to balance my home folder. The disk spins and after an hour it
hasn't completed. This is a 300 GB home directory about half full. I know
balance takes while, but how long should it take? This is a 7200 rpm disk on
a
On Sat, Jul 9, 2011 at 11:09 AM, Stephane Chazelas
stephane_chaze...@yahoo.fr wrote:
2011-07-08 11:06:08 -0400, Chris Mason:
[...]
I would do two things. First, I'd turn off compress_force. There's no
explicit reason for this, it just seems like the mostly likely place for
a bug.
[...]
I
On Tue, Jul 26, 2011 at 1:51 AM, Markus Suvanto
markus.suva...@gmail.com wrote:
This is what I get if I use command:
bcp file file_copy
I can reproduce this every time when using bcp command.
Filesystem is under lvm:
/dev/mapper/vg_md1-btrfs on /mnt/btrfs type btrfs (rw,noatime,subvol=.)
On Mon, Aug 1, 2011 at 4:26 PM, Bruce Guenter br...@untroubled.org wrote:
On Thu, Jul 28, 2011 at 04:28:04PM -0400, Chris Mason wrote:
The slow performance is probably coming from reading in the metadata
associated with the snapshot extents. The new readahead extentions from
Arne should help
On Mon, Aug 1, 2011 at 12:21 PM, Chris Mason chris.ma...@oracle.com wrote:
Excerpts from Josef Bacik's message of 2011-08-01 14:01:35 -0400:
On 08/01/2011 01:54 PM, Chris Mason wrote:
Excerpts from Josef Bacik's message of 2011-08-01 12:03:34 -0400:
On 08/01/2011 11:45 AM, Chris Mason wrote:
You might try mounting it -o ro as a stopgap to regain readonly access.
Judging from the bootlog, the error itself appears to be enospc. In
which case there's no already-available quick fix; I expect a
developer to chime in any second now :p
From the logs it is listing a transid error but NOT
There was once a similar thread about this issue; unfortunately, without any
constructive answers:
http://thread.gmane.org/gmane.comp.file-systems.btrfs/10840
I believe sync does a transaction commit every time.
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the
1. Create and format two images, the 1st in 400Mbytes, and 2nd in 286Mbytes.
root@pibroch:/btrfs-progs# ls -lh /usr/src/linux-3.0/img*
-rw-r--r-- 1 jeff jeff 400M 2011-09-07 12:00 /usr/src/linux-3.0/img0
-rw-r--r-- 1 jeff jeff 286M 2011-09-07 12:00 /usr/src/linux-3.0/img1
Very small btrfs
in Chris' head, otherwise we _would_ have something.
--cwillu
Warning: while cwillu is never wrong, he may not correspond to
reality. cwillu should not be taken with caffeine or alcohol.
Contact a doctor immediately if cwillu submits patches, rants, or
directives. Do not leave cwillu within reach
no massive search and rescue
operation required after an otherwise unclean shutdown. That's it.
And we mostly have that too, modulo the usual and expected bumps of a
very young filesystem.
--cwillu
Warning: cwillu may cause excessive warnings.
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On Mon, Nov 21, 2011 at 5:29 PM, René Vangsgaard
rene.vangsga...@gmail.com wrote:
Thank you for answering.
2) I get this error when mounting:
couldn't open because of unsupported option features (8).
fsck.btrfs: disk-io.c:679: open_ctree_fd: Assertion `!(1)' failed.
You're running an
On Tue, Nov 22, 2011 at 7:01 AM, René Vangsgaard
rene.vangsga...@gmail.com wrote:
I have decided to update progs from git. The instructions on the wiki
do not really help me out (for example I cannot checkout branch
for-chris). Can anyone tell me what branch (probably integration) to
use on
On Wed, Nov 23, 2011 at 6:33 AM, Hugo Mills h...@carfax.org.uk wrote:
On Sat, Nov 12, 2011 at 01:24:57AM +0100, Amedee Van Gasse wrote:
On 02-06-11 01:20, Hugo Mills wrote:
Unless the traffic gets too high-volume, or unless someone
important objects, I'm going to suggest that bug reports
I've got a btrfs on an sd card, which I'm using as the root fs on a
beagle. That's not the problem :)
The machine I generate my images on has an internal sd reader, and I
also have a usb card reader. After creating the fs on the internal
reader, I ended up plugging it in on the external reader.
I just noticed today that btrfs fi df / no longer reports any raid
level on Metadata or Data. I know as of Jun 4 that Data was RAID1 and
Metadata was DUP (I had posted my df output to irc). I've already
checked that I didn't revert to an old version of btrfs-progs, and am
at a bit of a loss to
And none of them are what I would consider remotely useful for
backups. (What, you guys don't backup to external media?) :)
Attached is my nightly backup script, edit it to suit, and dump a
symlink into /etc/cron.daily or whatever. It requires a btrfs target
(rather than source).
backup
Question 16 needs an other option, or some elaboration (I've had
things fixed via tool patches from developers).
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Which kernel is that?
It was one of the 2.6.35 versions from the Ubuntu repository. I'm
running Ubuntu 10.04 Server.
Since 2.6.32 works, you should report that bug to Ubuntu.
Alternatively, retest using ubuntu's mainline kernel ppa
(http://kernel.ubuntu.com/~kernel-ppa/mainline/), which
On Wed, Sep 29, 2010 at 8:31 AM, Sebastian 'gonX' Jensen
g...@overclocked.net wrote:
On 29 September 2010 15:15, cwillu cwi...@cwillu.com wrote:
Which kernel is that?
It was one of the 2.6.35 versions from the Ubuntu repository. I'm
running Ubuntu 10.04 Server.
Since 2.6.32 works, you
This currently applies on top of Josef's df patches.
Currently, a series of utilities are necessary to get an approximate answer to
the question How much disk space do I have free?. Previously, df returned
numbers which, while accurate, weren't useful: the physical disk size isn't
Today while playing around with btrfs I uncovered what must be a bug in the
btrfs checksum code. My kernel log received a couple of these messages with
various ino and off numbers:
btrfs csum failed ino 5098 off 524288 csum 2981133980 private 959545494
[..]
This happens on reading from
On Sun, Oct 31, 2010 at 1:58 PM, Felipe Contreras
felipe.contre...@gmail.com wrote:
On Mon, Oct 11, 2010 at 6:46 PM, Calvin Walton calvin.wal...@gmail.com
wrote:
On Mon, 2010-10-11 at 03:30 +0300, Felipe Contreras wrote:
I use btrfs on most of my volumes on my laptop, and I've always felt
On Mon, Nov 1, 2010 at 4:17 AM, Felix Blanke felixbla...@gmail.com wrote:
Hi,
I saw some reports of ppl in this list who did a btrfs fi df /path and saw
the
raidlevel of the data, metadata etc.
How? :)
I'm using the git version of the btrfs progs and 2.6.36, but I don't see those
On Mon, Nov 1, 2010 at 4:55 AM, Daniel J Blueman
daniel.blue...@gmail.com wrote:
On 1 November 2010 00:35, Andreas Bauer a...@voltage.de wrote:
So I conclude that these messages are faulty because data is read correctly.
In addition, when you have more than one btrfs you cannot see from the
On Mon, Nov 1, 2010 at 6:14 AM, Felix Blanke felixbla...@gmail.com wrote:
Ah, the magic one :)
Is that a patch for the kernel or the btrfs progs?
If you know where to get that patch it would be nice. It isn't an important
issue but it
would be nice to see if my home really uses raid1 for
On Mon, Nov 8, 2010 at 5:33 PM, Leonidas Spyropoulos
artafi...@gmail.com wrote:
While on Ubuntu 10.10 I cannot get defragment working.
ing...@selene:~$ btrfs filesystem defragment /media/Data/
ioctl failed on /media/Data/ ret -1 errno 1
total 1 failures
...
Is it implemented on kernel
On Wed, Nov 24, 2010 at 1:32 AM, david grant d...@david-grant.com wrote:
Hugo, you told me how to mount a snapshot. Thank you, that works but you
didn't tell me how to boot into it.
He also gave you the command to set the default subvolume/snapshot
used if you don't provide one: btrfs
!!
So, cwillu, after your scolding of me and your (perfectly reasonable)
questioning of my understanding, I did get it together for booting.
BUT I am still left with the problem that caused it for me: how do I
backup (clone?) a btrfs file system with snapshots to another btrfs
partition (apart
On Sun, Dec 5, 2010 at 1:48 AM, Helmut Hullen hul...@t-online.de wrote:
Hallo, Evert,
Du meintest am 04.12.10 zum Thema Re: 800 GByte free, but no space left:
On Sat, Dec 4, 2010 at 10:17 AM, Helmut Hullen hul...@t-online.de
wrote:
Hallo,
I wrote am 02.12.10:
I use 2 disks (1.5 Tbyte
On Sun, Dec 5, 2010 at 3:51 AM, Helmut Hullen hul...@t-online.de wrote:
Hallo, cwillu,
Du meintest am 05.12.10:
I am not an expert on this by a long shot, but it looks like you
added these two disks in raid0.
I won't hope that this error is related to RAID0, I haven't
installed (as far
On Mon, Jul 9, 2012 at 4:22 PM, Arnd Hannemann a...@arndnet.de wrote:
Hi,
using btrfs with LVM snapshots seems to be confusing /proc/mounts
After mounting a snapshot of an original filesystem, the devicename of the
original filesystem is overwritten with that of the snapshot in /proc/mounts.
Try -o recovery under a 3.4 or later kernel
On Sat, Jul 14, 2012 at 12:48 AM, Иван Смирнов
feliz.cha.cha@gmail.com wrote:
Hi!
The problem is that the BTRFS raid10 filesystem without any
understandable cause refuses to mount.
Here is dmesg output:
[77847.845540] device label
On Sun, Jul 22, 2012 at 10:55 PM, Swâmi Petaramesh sw...@petaramesh.org wrote:
You're painfully right Roman,
A freshly formatted 1 GB BTRFS filesystem on which 81 MB of data has been
put shows only ~260 MB of free space and reserves something like 2 x 380 MB
of metadata.
This is absolutely
* Note that 1gb is still considered a very rather btrfs filesystem,
for which mixed mode is recommended!
Deleted the wrong word: a rather small btrfs filesystem is what I intended.
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On Tue, Jul 24, 2012 at 6:39 PM, Marios Titas redneb8...@gmail.com wrote:
When I create a btrfs volume of size strictly less than 256 MiB then if I do
mount /dev/sdb1 /mnt/test
the kernel tries unsuccessfully to do the mount with many other file systems
before successfully trying with
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index ecaad40..9f2416c 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1738,10 +1738,6 @@ int btrfs_init_new_device(struct btrfs_root *root,
char *device_path)
device-fs_devices = root-fs_info-fs_devices;
-
[ 186.277795] Btrfs detected SSD devices, enabling SSD mode
[ 188.477443] btrfs: unlinked 6 orphans
[ 188.477451] btrfs: truncated 1 orphans
[ 411.837015] btrfs: unlinked 13 orphans
[ 414.373500] btrfs: unlinked 35 orphans
This seems to hint that I lost random files and that I don't
On Thu, Aug 2, 2012 at 4:46 AM, Liu Bo liub.li...@gmail.com wrote:
On 08/02/2012 04:25 AM, Josef Bacik wrote:
We need an smb_mb() before waitqueue_active to avoid missing wakeups.
Before Mitch was hitting a deadlock between the ordered flushers and the
transaction commit because the ordered
If I understand correctly, if I don't use LVM, then such move and resize
operations can't be done for an online filesystem and it has more risk.
You can resize, add, and remove devices from btrfs online without the
need for LVM. IIRC LVM has finer granularity though, you can do
something
On Tue, Aug 14, 2012 at 8:21 AM, Fajar A. Nugraha l...@fajar.net wrote:
On Tue, Aug 14, 2012 at 9:09 PM, cwillu cwi...@cwillu.com wrote:
If I understand correctly, if I don't use LVM, then such move and resize
operations can't be done for an online filesystem and it has more risk.
You can
You _need_ to use a recent kernel; 2.6.32 is nearly 3 years old, which
is prehistoric in btrfs terms.
It may Just Work in 3.5; if it doesn't, try 3.5 with -o recovery.
On Fri, Aug 24, 2012 at 2:30 PM, Stefan Harwarth
mailingli...@harwarth.de wrote:
Hi btrfs people,
I've been using btrfs for 2
On Sun, Aug 26, 2012 at 4:22 PM, Stefan Harwarth
mailingli...@harwarth.de wrote:
Hi cwillu,
thanks for the quick reply. I didn't realize that my debian 6 was shipping
such an old btrfs/kernel package - though I should have known better :(
Anyways I already tried to recover my files
On Mon, Sep 3, 2012 at 8:23 AM, Sam Thursfield
sam.thursfi...@codethink.co.uk wrote:
Hi
I've been running btrfs in various VMs for a while, and periodically I've
experienced corruption in the filesystems being used. None of the data is
important, but I'd like to track down how the corruption
On Mon, Sep 10, 2012 at 12:38 AM, Wang Sheng-Hui shh...@gmail.com wrote:
To check the duplicated super blocks, use BTRFS_SUPER_MIRROR_MAX
as the loops limit.
Signed-off-by: Wang Sheng-Hui shh...@gmail.com
---
fs/btrfs/disk-io.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
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