On Thu, Jun 20, 2013 at 3:47 PM, Clemens Eisserer linuxhi...@gmail.com wrote:
Hi,
I've observed a rather strange behaviour while trying to mount two
identical copies of the same image to different mount points.
Each modification to one image is also performed in the second one.
Example:
dd
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 root/subvol of my current root/home/anthony bind
# touch bind/TEST
you can
On Tue, Dec 21, 2010 at 11:16 AM, Fajar A. Nugraha l...@fajar.net wrote:
On Tue, Dec 21, 2010 at 10:51 AM, C Anthony Risinger anth...@extof.me wrote:
i'm on 2.6.36.2
Try 2.6.35 or later. I tested something similar under ubuntu maverick
(2.6.35-24-generic) and it works just fine.
Sorry, hit
On Fri, Jan 7, 2011 at 12:35 AM, Carl Cook cac...@quantum-sci.com wrote:
I want to keep a duplicate copy of the HTPC data, on the backup server
Is there a BTRFS tool that would do this?
AFAIK zfs is the only opensource filesystem today that can transfer
block-level delta between two snapshots,
On Fri, Jan 7, 2011 at 5:26 AM, Carl Cook cac...@quantum-sci.com wrote:
On Thu 06 January 2011 13:58:41 Freddie Cash wrote:
Simplest solution is to write a script to create a mysqldump of all
databases into a directory, add that to cron so that it runs at the
same time everyday, 10-15 minutes
On Sat, Jan 8, 2011 at 5:29 AM, cwillu cwi...@cwillu.com wrote:
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
On Sun, Jan 9, 2011 at 6:46 PM, Alan Chandler
a...@chandlerfamily.org.uk wrote:
then create snapshots of these directories:
/mnt/btrfs/
|- server-a
|- server-b
|- server-c
|- snapshots-server-a
|- @GMT-2010.12.21-16.48.09
On Mon, Jan 10, 2011 at 5:01 AM, Hugo Mills hugo-l...@carfax.org.uk wrote:
There is a root subvolume namespace (subvolid=0), which may contain
files, directories, and other subvolumes. This root subvolume is what
you see when you mount a newly-created btrfs filesystem.
Is there a detailed
On Fri, Jan 21, 2011 at 2:00 PM, Helmut Hullen hul...@t-online.de wrote:
Hallo, Carl,
Du meintest am 20.01.11:
If you shutdown the system, at the reboot you should scan all the
device in order to find the btrfs ones
# find the btrfs device
btrfs device scan
This must be done at
On Mon, Jan 24, 2011 at 1:07 AM, cac...@quantum-sci.com wrote:
On /dev/sda I have sda1 which is my / bootable filesystem for Debian
formatted ext4. This is 256MB on a 2TB drive.
Really? How do you know it's 256 MB?
# fdisk /dev/sda
WARNING: GPT (GUID Partition Table) detected on
On Mon, Mar 21, 2011 at 11:24 PM, Stephane Chazelas
stephane.chaze...@gmail.com wrote:
AFAICT, compression is enabled at mount time and would
only apply to newly created files. Is there a way to compress
files already in a btrfs filesystem?
You need to select the files manually (not possible
On Wed, Mar 23, 2011 at 3:21 PM, Andreas Philipp
philipp.andr...@gmail.com wrote:
I think it is since I upgraded to kernel version 2.6.38 (I
do not create subvolumes on a regular basis.).
thor btrfs # btrfs subvolume create 123456789
Create subvolume './123456789'
thor btrfs # touch
On Fri, Apr 1, 2011 at 8:40 PM, Chris Mason chris.ma...@oracle.com wrote:
Excerpts from Christoph Hellwig's message of 2011-04-01 09:34:05 -0400:
I don't think it's a good idea to introduce any user visible operations
over subvolume boundaries. Currently we don't have any operations over
On Fri, Apr 22, 2011 at 10:03 PM, cac...@quantum-sci.com wrote:
Would it be good practice to say, once a year, do a completely new fresh
snapshot?
There's no such thing as new fresh snapshot.
You can create a new, empty subvolume.
Or you can create snapshot of existing root/subvolume, which
On Sat, Apr 30, 2011 at 9:24 AM, Evert Vorster evors...@gmail.com wrote:
Hi there.
Just a quick question: How do I rename an existing btrfs filesystem
without destroying all the subvolumes on it?
From mkfs.btrfs it says -L sets the initial filesystem label.
With ext2, 3 and 4 the
On Wed, May 4, 2011 at 2:27 AM, cac...@quantum-sci.com wrote:
Having a failure that may be because grub2 doesn't BTRFS. /boot is ext3 and
/ is BTRFS.
Does Debian (or whatever distro you use) support BTRFS /?
If yes, you should ask them.
If no, then you should've already known that there's a
On Wed, May 4, 2011 at 7:44 AM, Martin Schitter m...@mur.at wrote:
Am 2011-05-04 02:28, schrieb Josef Bacik:
Wait why are you running with btrfs in production?
do you know a better alternative for continuous snapshots? :)
zfs :D
it works surprisingly well since more than a year.
well the
On Wed, May 4, 2011 at 5:20 AM, cac...@quantum-sci.com wrote:
On Tuesday 3 May, 2011 14:26:52 Fajar A. Nugraha wrote:
Does Debian (or whatever distro you use) support BTRFS /?
If yes, you should ask them.
What do you mean 'does Debian support BTRFS'? The kernel supports it.
Just because
Currently using Ubuntu Natty, kernel 2.6.38-9-generic, I have these
mount points using btrs subvolumes
$ mount -t btrfs
/dev/sda2 on / type btrfs (rw,noatime,subvolid=256,compress-force=zlib)
/dev/sda2 on /home type btrfs (rw,noatime,subvolid=258,compress=lzo)
Yet dmesg seems to show only zlib
, so right now I just use separate /boot/grub in ext4 to make
it work correctly.
--
Fajar
On May 8, 2011 7:35 AM, Fajar A. Nugraha l...@fajar.net wrote:
Currently using Ubuntu Natty, kernel 2.6.38-9-generic, I have these
mount points using btrs subvolumes
$ mount -t btrfs
/dev/sda2
On Fri, May 13, 2011 at 4:36 AM, Swâmi Petaramesh sw...@petaramesh.org wrote:
However shifting from ext3 to BTRFS has been enough to turn my perfectly
stable system into a perfectly unstable and crash-prone system :-/
Well, first of all, btrfs is still under heavy development. Add to
that the
On Fri, May 13, 2011 at 3:59 PM, Swâmi Petaramesh sw...@petaramesh.org wrote:
Adding to the fact that it comes included with the stock and distro
kernels... That gives a bit contradictory signals... Should I stay or
should I go ?
Looks a bit like legal babble boiling down to « Yes, it is
On Fri, May 13, 2011 at 4:33 PM, Swâmi Petaramesh sw...@petaramesh.org wrote:
# uname -a
Linux tethys 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:50 UTC
2011 i686 i686 i386 GNU/Linux
# mount | grep btrfs
/dev/mapper/VG1-TETHYS on / type btrfs
(rw,relatime,subvol=UBUNTU,compress=zlib)
While using btrfs as root on kernel 3.0-rc1, there was some errors (I
wasn't able to capture the error) that forced me to do hard reset.
Now during startup system drops to busybox shell because it's unable
to mount root partition.
Is there a way to recover the data, as at least grub2 was still
On Wed, Jun 1, 2011 at 6:06 AM, Fajar A. Nugraha l...@fajar.net wrote:
While using btrfs as root on kernel 3.0-rc1, there was some errors (I
wasn't able to capture the error) that forced me to do hard reset.
Now during startup system drops to busybox shell because it's unable
to mount root
When building from tmp branch I got this error:
mkfs.c: In function ‘main’:
mkfs.c:730:6: error: ‘ret’ may be used uninitialized in this function
mkfs.c:841:43: error: ‘parent_dir_entry’ may be used uninitialized in
this function
make: *** [mkfs.o] Error 1
git blame shows the last commit for
new
#===
Not sure if you need if you need a signoff for something as trivial as
this, but here it is just in case.
Signed-off-by: Fajar A. Nugraha l...@fajar.net
---
btrfs.c |6 ++
1 files changed, 6 insertions(+), 0 deletions(-)
diff
On Thu, Jun 2, 2011 at 6:20 AM, Hugo Mills h...@carfax.org.uk wrote:
Over the last few weeks, I've been playing with a foolish idea,
mostly triggered by a cluster of people being confused by btrfs's free
space reporting (df vs btrfs fi df vs btrfs fi show). I also wanted an
excuse, and some
On Thu, Apr 24, 2014 at 10:23 AM, Chris Murphy li...@colorremedies.com wrote:
It sounds like either a grub.cfg misconfiguration, or a failure to correctly
build the initrd/initramfs. So I'd post the grub.cfg kernel command line for
the boot entry that works and the entry that fails, for
On Thu, Apr 24, 2014 at 6:39 PM, David Sterba dste...@suse.cz wrote:
On Wed, Apr 23, 2014 at 06:18:34PM -0700, Marc MERLIN wrote:
I writing slides about btrfs for an upcoming talk (at linuxcon) and I was
trying to gather a list of companies that contribute code to btrfs.
On Mon, May 19, 2014 at 3:40 PM, Le Nguyen Tran lntran...@gmail.com wrote:
Hi,
I am Nguyen. I am not a software development engineer but an IC (chip)
development engineer. I have a plan to develop an IC controller for
Network Attached Storage (NAS). The main idea is converting software
code
On Mon, May 19, 2014 at 8:09 PM, Le Nguyen Tran lntran...@gmail.com wrote:
I now need to understand the operation of btrfs source code to
determine. I hope that one of you can help me
Have you read the wiki link?
--
Fajar
--
To unsubscribe from this list: send the line unsubscribe
On Thu, Jun 5, 2014 at 5:15 AM, Igor M igor...@gmail.com wrote:
Hello,
Why btrfs becames EXTREMELY slow after some time (months) of usage ?
# btrfs fi show
Label: none uuid: b367812a-b91a-4fb2-a839-a3a153312eba
Total devices 1 FS bytes used 2.36TiB
devid1 size 2.73TiB
(resending to the list as plain text, the original reply was rejected
due to HTML format)
On Thu, Jun 5, 2014 at 10:05 AM, Duncan 1i5t5.dun...@cox.net wrote:
Igor M posted on Thu, 05 Jun 2014 00:15:31 +0200 as excerpted:
Why btrfs becames EXTREMELY slow after some time (months) of usage ?
On Thu, Jun 5, 2014 at 9:41 PM, Marc MERLIN m...@merlins.org wrote:
On Thu, Jun 05, 2014 at 12:52:04PM +0100, Tomasz Chmielewski wrote:
And it looks the dependency is ~1 GB of new packages? O_o
That seems painful, but at the same time, the alternative, nroff/troff sucks.
Part ofyour problem
On Fri, Jun 24, 2011 at 5:16 PM, Michael Stephenson
mickstephen...@googlemail.com wrote:
Hello,
I formatted my home partition with btrfs, not realising that the fsck
tool can't actually fix errors, as I have just discovered on your
wiki.
Had I knew this I would have not used it so early, this
On Sun, Jul 3, 2011 at 6:00 PM, Werner Fischer devli...@wefi.net wrote:
Hi all,
are there any plans that future versions of mkfs.btrfs will do an
initial pre-discard for SSDs? (AFAIK mkfs.btrfs does not do this
currently)
It should already have it. That is, if you look in the right place
On Mon, Jul 11, 2011 at 3:58 AM, Leonidas Spyropoulos
artafi...@gmail.com wrote:
On Sun, Jul 10, 2011 at 9:33 AM, Chris Samuel ch...@csamuel.org wrote:
On Sun, 3 Jul 2011 05:45:17 AM Calvin Walton wrote:
This LWN article from 2009 explains why it can be problematic
(especially on SATA drives
.
--
Fajar
On Sun, Jul 10, 2011 at 10:59 PM, Fajar A. Nugraha l...@fajar.net wrote:
On Mon, Jul 11, 2011 at 3:58 AM, Leonidas Spyropoulos
artafi...@gmail.com wrote:
On Sun, Jul 10, 2011 at 9:33 AM, Chris Samuel ch...@csamuel.org wrote:
On Sun, 3 Jul 2011 05:45:17 AM Calvin Walton wrote:
This LWN
On Sat, Jul 16, 2011 at 3:51 AM, mck m...@wever.org wrote:
My laptop btrfs partition has become corrupt after a power+battery
outage.
# btrfs-show
Label: none uuid: e7b37e5d-c704-4ca8-ae7e-f22dd063e165
Total devices 1 FS bytes used 116.33GB
devid 1 size 226.66GB used
On Sun, Jul 17, 2011 at 7:28 AM, Mck m...@wever.org wrote:
Knowing very little about zero-log and select-super should i continue
using my laptop like normal now?
Or is this filesystem still considered corrupt and i should backup and
format it all from scratch?
This is my guess:
- since you
On Sun, Jul 31, 2011 at 4:12 AM, cac...@quantum-sci.com wrote:
On Saturday 30 July, 2011 13:46:21 Hugo Mills wrote:
On Sat, Jul 30, 2011 at 12:51:51PM -0700, . wrote:
I just did my monthly dist-upgrade and rebooted, only to have it stall
at Control D. It tried to automatically run
On Mon, Aug 15, 2011 at 4:13 AM, Yalonda Gishtaka
yalonda.gisht...@gmail.com wrote:
Halp! I was recently forced to power cycle my desktop PC, and upon
restart, the btrfs /home volume would no longer mount, citing the
error BUG: scheduling while atomic: mount /5584/0x2. I
retrieved
On Tue, Sep 6, 2011 at 10:30 PM, Swâmi Petaramesh sw...@petaramesh.org wrote:
On Monday 5 September 2011 22:25:23 Sergei Trofimovich wrote:
I've seen similar problem on Ubuntu-11 + Aspire One (8GB of slow SSD).
More specifically half of ubuntu install went very fast and when
disk was ~50% free
On Fri, Sep 16, 2011 at 1:21 PM, Maciej Marcin Piechotka
uzytkown...@gmail.com wrote:
On Fri, 2011-09-16 at 05:16 +0700, Fajar A. Nugraha wrote:
On Fri, Sep 16, 2011 at 2:37 AM, Felix Blanke felixbla...@gmail.com wrote:
I'm using btrfs since one year now and it's quite fast. I don't feel any
On Sun, Oct 9, 2011 at 4:13 AM, Asdo a...@shiftmail.org wrote:
On 10/07/11 22:19, Diego Calleja wrote:
On Viernes, 7 de Octubre de 2011 21:10:33 Asdo escribió:
failures, but you can always mount by rolling back to a previous
uberblock, showing an earlier view of the filesystem, which would
Hi
I have a system with Ubuntu natty i386 which uses btrfs root. It has
worked mostly well, but I have a problem when I want to create new
snapshot.
Current layout looks something like this
$ mount | grep btrfs
/dev/sda6 on / type btrfs (rw,noatime,subvolid=258,compress-force=lzo)
/dev/sda6 on
On Mon, Oct 10, 2011 at 5:20 PM, David Sterba d...@jikos.cz wrote:
On Mon, Oct 10, 2011 at 02:30:30PM +0700, Fajar A. Nugraha wrote:
This happens both with natty's 2.6.38-11-generic and kernel 3.0.4
(backported from oneiric). Does anyone know if this is a know problem,
or how to get further
On Mon, Oct 10, 2011 at 7:09 PM, Fajar A. Nugraha l...@fajar.net wrote:
On Mon, Oct 10, 2011 at 5:20 PM, David Sterba d...@jikos.cz wrote:
On Mon, Oct 10, 2011 at 02:30:30PM +0700, Fajar A. Nugraha wrote:
This happens both with natty's 2.6.38-11-generic and kernel 3.0.4
(backported from
On Wed, Oct 12, 2011 at 7:34 PM, Hugo Mills h...@carfax.org.uk wrote:
All -
After a long wait (sorry about that, things have been busy for me
lately), I've managed to pull together a new integration branch for
btrfs-progs. This can be pulled from:
On Wed, Oct 12, 2011 at 7:34 PM, Hugo Mills h...@carfax.org.uk wrote:
Fixes or updated patches for any problems you may find are
welcomed, of course.
I noticed that btrfs subvolume snapshot is now broken. It keeps on
saying Invalid arguments for subvolume snapshot.
Further checking shows
On Wed, Oct 12, 2011 at 11:50 PM, Mitch Harder
mitch.har...@sabayonlinux.org wrote:
On Wed, Oct 12, 2011 at 10:22 AM, Fajar A. Nugraha l...@fajar.net wrote:
I noticed that btrfs subvolume snapshot is now broken. It keeps on
saying Invalid arguments for subvolume snapshot.
Further checking
On Wed, Oct 12, 2011 at 11:51 PM, bbsposters bbspost...@yahoo.com.tw wrote:
Hi list,
I want to create volumes (not subvolumes) on one device.
Could it work?
If it works, how can I do by btrfs tools ?
If it can't, is there any way to create subvolumes which have their
independent space?
For
On Mon, Oct 24, 2011 at 12:45 PM, dima dole...@parallels.com wrote:
Phillip Susi psusi at cfl.rr.com writes:
I created a snapshot of my root subvol, then used btrfs-subvolume
set-default to make the snapshot the default subvol and rebooted. This
seems to have correctly gotten the system to
On Mon, Oct 24, 2011 at 3:24 PM, dima dole...@parallels.com wrote:
Fajar A. Nugraha list at fajar.net writes:
A problem with that, though, if you decide to put /boot on btrfs as
well. Grub uses the default subvolume to determine paths (for kernel,
initrd, etc). A workaround is to manually
On Tue, Oct 25, 2011 at 9:00 AM, dima dole...@parallels.com wrote:
Fajar A. Nugraha list at fajar.net writes:
AFAIK you have three possible ways to use /boot on btrfs:
(1) put /boot on subvolid=0, don't change the default subvolume. That
works, but all your snapshot/subvols will be visible
On Tue, Oct 25, 2011 at 3:54 PM, dima dole...@parallels.com wrote:
Hi Fajar,
I think I am doing just this, but my subvolumes are not visible under
/boot. I
have all my subvolumes set up like this:
/path/to/subvolid_0/boot a simple directory bind-mounted to /
/path/to/subvolid_0/__active my
On Thu, Oct 27, 2011 at 10:22 PM, Ken D'Ambrosio k...@jots.org wrote:
So, I was trying to downgrade my Ubuntu last night, and, before doing anything
risky like that, I backed up my disk via dd to an image on an external disk.
some of us make use of snapshot/clone, whether it's using btrfs or
On Fri, Oct 28, 2011 at 7:32 AM, Ken D'Ambrosio k...@jots.org wrote:
some of us make use of snapshot/clone, whether it's using btrfs or zfs :)
No, this is just flat my fault: it doesn't matter what backup method you use
if
you do it wrong. (I actually have three snapshots of each of my two
On Tue, Nov 8, 2011 at 8:06 AM, Eric Griffith egriffit...@gmail.com wrote:
Edit your
fstab, remove the compress flag, reboot. Tell btrfs to rebalance the system,
reboot again. And I -THINK- that'll decompress all the files
I think the original question was how to force uncompressed mode,
On Wed, Nov 9, 2011 at 2:48 PM, Lubos Kolouch lubos.kolo...@gmail.com wrote:
Sorry for possibly OT question - when I have historical btrfs system
mounted with zlib compression,
can I remount it with lzo ?
yes
What will happen? Will the COW be broken
and the files taking duplicate space? Or
On Wed, Nov 23, 2011 at 12:33 PM, Blair Zajac bl...@orcaware.com wrote:
Hello,
I'm trying btrfs in a VirtualBox VM running Ubuntu 11.10 with kernel 3.0.0.
Running fsck I get a message with err is 1.
Does this mean there's an error? Is err either always 0 or 1, or does err
increment
On Thu, Nov 24, 2011 at 8:00 AM, Chris Samuel ch...@csamuel.org wrote:
Another possibility I *think* is that you could try 3.1 with
Chris Mason's for-linus git branch pulled into it. Hopefully
someone who knows the procedure better than I can correct me
on this! :-)
My method is:
- use 3.1.1
On Tue, Nov 29, 2011 at 8:58 AM, Phillip Susi ps...@cfl.rr.com wrote:
On 11/28/2011 12:53 PM, Ken D'Ambrosio wrote:
Seems I've picked up a wireless regression, and randomly drop my WiFi
connection with more recent kernels. While I'd love to try to track down the
issue, the sporadic nature
On Tue, Nov 29, 2011 at 10:22 PM, Chris Mason chris.ma...@oracle.com wrote:
On Tue, Nov 29, 2011 at 09:33:37AM +0700, Fajar A. Nugraha wrote:
On Tue, Nov 29, 2011 at 8:58 AM, Phillip Susi ps...@cfl.rr.com wrote:
On 11/28/2011 12:53 PM, Ken D'Ambrosio wrote:
Seems I've picked up a wireless
On Fri, Dec 2, 2011 at 7:34 PM, Mike Thomas bt...@thomii.com wrote:
Hi, I've been using btrfs for a while now, I've been utilizing snapshotting
nightly/weekly/monthly. During the weekly I also do a backup of the
filesystem to an ext4 filesystem. My storage is a linux md raid 5 volume.
I've
2011/12/9 Ricardo Bánffy rban...@gmail.com:
Dec 9 01:06:21 adams kernel: [ 207.912535] usb 1-2.1: reset high
speed USB device number 7 using ehci_hcd
That's usually a REALLY bad sign.
If you can remove the drive from the USB enclosure, I suggest you plug
it to onboard SATA port. That way at
On Thu, Dec 1, 2011 at 5:15 AM, 810d4rk 810d...@gmail.com wrote:
I plugged it directly by sata and this is what I get from the 3.1 kernel:
[ 581.921417] sdb: sdb1
[ 581.921642] sd 2:0:0:0: [sdb] Attached SCSI disk
[ 660.040263] EXT4-fs (dm-4): VFS: Can't find ext4 filesystem
... and then
On Thu, Dec 15, 2011 at 4:42 AM, Wilfred van Velzen wvvel...@gmail.com wrote:
On Wed, Dec 14, 2011 at 9:56 PM, Gareth Pye gar...@cerberos.id.au wrote:
On Thu, Dec 15, 2011 at 5:51 AM, Wilfred van Velzen wvvel...@gmail.com
wrote:
(I'm not interested in what early adopter users do when they are
On Fri, Dec 16, 2011 at 1:49 AM, Tobias tra...@robotech.de wrote:
Hi all!
My BTRFS-FS ist getting really slow. Reading is ok, writing is slow and
deleting is horrible slow.
There are many files and many links on the FS.
# btrfs filesystem df /srv/storage
Data: total=3.09TB, used=3.07TB
On Wed, Jul 4, 2012 at 8:42 PM, David Sterba d...@jikos.cz wrote:
On Wed, Jul 04, 2012 at 07:40:05AM +0700, Fajar A. Nugraha wrote:
Are there any known btrfs regression in 3.4? I'm using 3.4.0-3-generic
from a ppa, but a normal mount - umount cycle seems MUCH longer
compared to how
On Thu, Jul 12, 2012 at 12:13 PM, eric gisse jowr...@gmail.com wrote:
Basically, phoronix showed there is a --repair option. After enabling
snapshotting and playing around with the various discussed options, I
discovered that --repair and no special mount options was sufficient
to get the
On Thu, Jul 19, 2012 at 1:13 AM, Marc MERLIN m...@merlins.org wrote:
TL;DR:
I'm going to change the FAQ to say people should use TRIM with dmcrypt
because not doing so definitely causes some lesser SSDs to suck, or
possibly even fail and lose our data.
Longer version:
Ok, so several months
On Thu, Jul 19, 2012 at 7:39 PM, Shavi N shav...@gmail.com wrote:
So btrfs gives a massive difference locally, but that still doesn't
explain the slow transfer speeds.
Is there a way to test this?
I'd try with real data, not /dev/zero. e.g:
dd_rescue -b 1M -m 1.4G /dev/sda testfile.img
... or
On Wed, Jul 25, 2012 at 11:39 AM, Gareth Pye gar...@cerberos.id.au wrote:
My proposed upgrade method is:
Boot from a live CD with the latest kernel I can find so I can do a few tests:
A - run the fsck in read only mode to confirm things look good
B - mount read only, confirm that I can read
On Wed, Aug 1, 2012 at 1:01 PM, Marc MERLIN m...@merlins.org wrote:
So, clearly, there is something wrong with the samsung 830 SSD with linux
It it were a random crappy SSD from a random vendor, I'd blame the SSD, but
I have a hard time believing that samsung is selling SSDs that are slower
On Sun, Aug 12, 2012 at 11:46 PM, Daniel Pocock dan...@pocock.com.au wrote:
I notice this question on the wiki/faq:
https://btrfs.wiki.kernel.org/index.php/UseCases#What_is_best_practice_when_partitioning_a_device_that_holds_one_or_more_btr-filesystems
and as it hasn't been answered, can
On Mon, Aug 13, 2012 at 8:22 AM, Ben Leverett ben...@live.com wrote:
could you please send me a copy of the btr driver/kernel?
I wonder if using live.com email has something to do with how you
ask that question :P
Anyway, depending on what you want to use it for, you might find it
easier to
On Mon, Aug 13, 2012 at 11:19 AM, Kyle Gates kylega...@hotmail.com wrote:
Also, I think the current grub2 has lzo support.
You're right
grub2 (1.99-18) unstable; urgency=low
[ Colin Watson ]
...
* Backport from upstream:
- Add support for LZO compression in btrfs (LP: #727535).
so
On Tue, Aug 14, 2012 at 8:28 PM, Daniel Pocock dan...@pocock.com.au wrote:
Can you just elaborate on the qgroups feature?
- Does this just mean I can make the subvolume sizes rigid, like LV sizes?
Pretty much.
- Or is it per-user restrictions or some other more elaborate solution?
No
If I
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 resize, add, and remove devices from btrfs online without the
need for LVM.
Hi,
I'm experimenting with btrfs on top of zvol block device (using
zfsonlinux), and got oops on a simple mount test.
While I'm sure that zfsonlinux is somehow also at fault here (since
the same test with zram works fine), the oops only shows things
btrfs-related without any usable mention of
On Sun, Sep 9, 2012 at 2:49 PM, ching lschin...@gmail.com wrote:
On 09/09/2012 08:30 AM, Jan Steffens wrote:
On Sun, Sep 9, 2012 at 2:03 AM, ching lschin...@gmail.com wrote:
2. Is there any command for the fragmentation status of a file/dir ? e.g.
fragment size, number of fragments.
Use the
On Mon, Sep 10, 2012 at 4:12 PM, Martin Steigerwald mar...@lichtvoll.de wrote:
Am Samstag, 8. September 2012 schrieb Marc MERLIN:
I was migrating a backup disk to a new btrfs disk, and the backup had a
lot of hardlinks to collapse identical files to cut down on inode
count and disk space.
On Thu, Sep 13, 2012 at 1:07 PM, ching lu lschin...@gmail.com wrote:
Is it possible to specify UUID for btrfs when creating the filesystem?
Not that I know of
or changing it when it is offline?
This one is a definite no.
i have several script/setting file which have hardcoded UUID and i do
On Wed, Sep 19, 2012 at 2:28 PM, Casper Bang casper.b...@gmail.com wrote:
Anand Jain Anand.Jain at oracle.com writes:
archive-log-apply script - if you could, can you share the
script itself ? or provide more details about the script.
(It will help to understand the work-load in
On Mon, Oct 1, 2012 at 8:27 PM, Cesar Inacio Martins
cesar_inacio_mart...@yahoo.com.br wrote:
My problem:
* Using btrfs + compression , flush of 60 MB/s take 4 minutes
(on this 4 minutes they keep constatly I/O of +- 4MB/s no disks)
(flush from Informix database)
* OpenSuse 12.1
On Tue, Oct 2, 2012 at 3:16 AM, Clemens Eisserer linuxhi...@gmail.com wrote:
I suggest you start by reading
http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg18827.html
After that, PROBABLY start your database by preloading libeatmydata to
disable fsync completely.
Which will cure
On Sat, Jun 4, 2011 at 11:33 AM, Joel Pearson
japear...@agiledigital.com.au wrote:
Hi,
I'm using SL 6 (RHEL 6) and I've been playing around with running
PostgreSQL on btrfs. Snapshotting works ok, but the computer keeps
rebooting without warning (can be 5 mins or 1.5 hours), finally I
On Sat, Oct 27, 2012 at 8:58 AM, cwillu cwi...@cwillu.com wrote:
I haven't tried btrfs send/receive for this purpose, so I can't compare. But
btrfs subvolume set-default is faster than the release of my finger from the
return key. And it's easy enough the user could do it themselves if they
On Sun, Oct 28, 2012 at 12:22 AM, Chris Murphy li...@colorremedies.com wrote:
On Oct 26, 2012, at 9:03 PM, Fajar A. Nugraha l...@fajar.net wrote:
So back to the original question, I'd suggest NOT to use either
send/receive or set-default. Instead, setup multiple boot environment
(e.g. old
On Fri, Nov 2, 2012 at 5:16 AM, cwillu cwi...@cwillu.com wrote:
btrfs fi label -t /btrfs/snap1-sv1
Prod-DB-sand-box-testing
Why is this better than:
# btrfs su snap /btrfs/Prod-DB /btrfs/Prod-DB-sand-box-testing
# mv /btrfs/Prod-DB-sand-box-testing /btrfs/Prod-DB-production-test
# ls
On Fri, Nov 2, 2012 at 5:32 AM, Hugo Mills h...@carfax.org.uk wrote:
On Fri, Nov 02, 2012 at 05:28:01AM +0700, Fajar A. Nugraha wrote:
On Fri, Nov 2, 2012 at 5:16 AM, cwillu cwi...@cwillu.com wrote:
btrfs fi label -t /btrfs/snap1-sv1
Prod-DB-sand-box-testing
Why is this better than
On Mon, Nov 5, 2012 at 7:07 PM, Stefan Priebe - Profihost AG
s.pri...@profihost.ag wrote:
Hello list,
is btrfs ready for production use in 3.6.6? Or should i backport fixes from
3.7-rc?
Is it planned to have a stable kernel which will get all btrfs fixes
backported?
I would say no to both,
On Thu, Dec 29, 2011 at 11:37 AM, Roman Mamedov r...@romanrm.ru wrote:
On Thu, 29 Dec 2011 11:21:14 +0700
Fajar A. Nugraha l...@fajar.net wrote:
I'm trying fstrim and my disk is now pegged at write IOPS. Just
wondering if maybe a btrfs fi balance would be more useful, since:
Modern
On Thu, Dec 29, 2011 at 11:02 AM, Li Zefan l...@cn.fujitsu.com wrote:
Martin Steigerwald wrote:
With 3.2-rc4 (probably earlier), Ext4 seems to remember what areas it
trimmed:
But BTRFS does not:
There's no such plan, but it's do-able, and I can take care of it.
There's an issue though.
On Wed, Dec 28, 2011 at 11:57 PM, Martin Steigerwald
mar...@lichtvoll.de wrote:
But BTRFS does not:
merkaba:~ fstrim -v /
/: 4431613952 bytes were trimmed
merkaba:~ fstrim -v /
/: 4341846016 bytes were trimmed
and apparently it can't trim everything. Or maybe my kernel is
just too old.
On Thu, Dec 29, 2011 at 11:21 AM, Fajar A. Nugraha l...@fajar.net wrote:
I'm trying fstrim and my disk is now pegged at write IOPS. Just
wondering if maybe a btrfs fi balance would be more useful,
Sorry, I meant btrfs fi defrag
--
Fajar
--
To unsubscribe from this list: send the line
On Thu, Dec 29, 2011 at 4:39 PM, Li Zefan l...@cn.fujitsu.com wrote:
Fajar A. Nugraha wrote:
On Wed, Dec 28, 2011 at 11:57 PM, Martin Steigerwald
mar...@lichtvoll.de wrote:
But BTRFS does not:
merkaba:~ fstrim -v /
/: 4431613952 bytes were trimmed
merkaba:~ fstrim -v /
/: 4341846016 bytes
On Thu, Dec 29, 2011 at 5:51 PM, Remco Hosman re...@hosman.xs4all.nl wrote:
Hi,
Something i could not find in the documentation i managed to find:
if you mount with compress=lzo and rebalance, is compression on for that
filesystem or only a single volume?
eg, can i have a @boot volume
1 - 100 of 153 matches
Mail list logo