On Tue, Apr 12, 2011 at 9:11 AM, wrote:
>
> The computer was idle when the first bug happened and after the reboot
> btrfs can't be mounted. It can't delete orphans and replay the log.
> It would be nice if I can get the data out, there is nothing important
> there but it would be nice. I was act
On Tue, Mar 29, 2011 at 2:09 PM, Andrew Lutomirski 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 device dele
> 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] btr
On Fri, Mar 18, 2011 at 8:40 AM, Chris Mason 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 long term the admin
On Sun, Mar 13, 2011 at 5:32 AM, Pau Iranzo 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:
> http://dl.dropbox.com/u/120126/btrfs/IMG_20110313_122119.jpg
On Fri, Mar 4, 2011 at 7:20 PM, Alexey A Nikitin 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
> `!(!tree_root->
On Fri, Mar 4, 2011 at 5:59 PM, Alexey A Nikitin 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 another 4TB of
On Mon, Feb 14, 2011 at 3:59 AM, Zhong, Xin 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 here ]
On Wed, Feb 9, 2011 at 8:52 PM, Ben Gamari 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 repository with
Posted for posterity (pastebins aren't forever)
2.6.36-rc8
Oct 27 05:13:01 klonk kernel: device fsid
a040b1bd002364c8-548ed98bdbee91b4 devid 1 transid 1450 /dev/sdb2
Oct 27 05:13:08 klonk kernel: btrfs allocation failed flags 1, wanted 4096
Oct 27 05:13:08 klonk kernel: space_info has 0 free, is
On Tue, Feb 8, 2011 at 3:59 PM, Diwaker Gupta wrote:
>> Define *indefinitely*.
>
> Meaning the messages continued for as long as the system was under
> observation.
>
>> Are the drives not working?
>
> I believe they are. Working in the sense that I can read off data
> using 'dd', I can inspect p
On Tue, Feb 8, 2011 at 3:00 AM, Leonidas Spyropoulos
wrote:
> On Feb 8, 2011 12:09 AM, "C Anthony Risinger" wrote:
>>
>> On Mon, Feb 7, 2011 at 3:21 PM, Leonidas Spyropoulos
>> wrote:
>> > Hey all,
>> >
>> > I run into no space left on device on a virtualbox
>> >
>> > After installing Debian 6 o
On Sat, Feb 5, 2011 at 6:18 AM, Felix Blanke 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 point was to avoi
On Wed, Feb 2, 2011 at 12:05 AM, Chris Samuel 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 E
On Tue, Feb 1, 2011 at 11:37 PM, cwillu 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
On Mon, Jan 31, 2011 at 4:42 AM, cwillu wrote:
> On Sun, Jan 30, 2011 at 11:18 PM, cwillu wrote:
>> Another one, with the process running on a btrfs chroot instead of tmpfs:
>>
>>
>> [12350.410412] [ cut here ]
>> [12350.420001] kerne
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 http://imgur.com/sC
On Tue, Feb 1, 2011 at 3:51 PM, Carlos R. Mafra wrote:
>
> I am running 2.6.37 plus the revert of bf9dc102e284 (which is related to drm).
>
> My /home is on btrfs as well as a 1TB external USB hard-disk.
>
> I was compiling 2.6.38-rc3 from /home/mafra/linux2.6 using
> the external hd as the destin
On Mon, Jan 31, 2011 at 5:18 AM, Sander wrote:
> cwillu wrote (ao):
>> On Mon, Jan 31, 2011 at 4:52 AM, Sander wrote:
>> > Daniel Poelzleithner wrote (ao):
>> >> Since update to 2.6.37 I can't build openwrt on my btrfs buildroot
>> >> anymore.
>
On Mon, Jan 31, 2011 at 4:52 AM, Sander wrote:
> Daniel Poelzleithner wrote (ao):
>> Since update to 2.6.37 I can't build openwrt on my btrfs buildroot anymore.
>> I'm not sure if this is related to the other flush-btrfs-1 thread.
>
> While I thought it was related to a dying disk used for backups
On Sun, Jan 30, 2011 at 11:18 PM, cwillu wrote:
> Another one, with the process running on a btrfs chroot instead of tmpfs:
>
>
> [12350.410412] [ cut here ]
> [12350.420001] kernel BUG at /home/kernel-ppa/COD/linux/fs/btrfs/inode.c:1759!
> [12350.4200
Another one, with the process running on a btrfs chroot instead of tmpfs:
[12350.410412] [ cut here ]
[12350.420001] kernel BUG at /home/kernel-ppa/COD/linux/fs/btrfs/inode.c:1759!
[12350.420001] invalid opcode: [#1] SMP
[12350.420001] last sysfs file:
/sys/devices/pc
On Sun, Jan 30, 2011 at 8:57 PM, Chris Samuel wrote:
> On 31/01/11 12:33, cwillu wrote:
>
>> [33159.490003] kernel BUG at
>> /home/kernel-ppa/COD/linux/fs/btrfs/inode.c:1629!
>
> It looks like this happens when btrfs_drop_extents() returns
> an error, and in the code
And again, without the USB devices.
This time was under a vanilla 2.6.38rc2 build, rootfs is a 4-drive
btrfs raid10 connected internally via sata, and no other drives in the
picture.
The btrfs drives are sda5, sdb1, sdc1 and sdd1; sda1 is /boot, sda2
is swap, sda3 is a 4gb ext4 with a small inst
On Sat, Jan 22, 2011 at 5:41 PM, Clemens Eisserer 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 interested in t
On Tue, Jan 18, 2011 at 4:28 PM, cwillu wrote:
> While untar'ing an image to an sd card via a reader, I got the
> following bug. The system also has a btrfs root, and a whole swath of
> processes went into uninterruptable sleep. I was able to poke around
> via ssh and sysrq
While untar'ing an image to an sd card via a reader, I got the
following bug. The system also has a btrfs root, and a whole swath of
processes went into uninterruptable sleep. I was able to poke around
via ssh and sysrq, and already had netconsole set up to capture the
bug.
Root fs is on /dev/sd
On Fri, Jan 14, 2011 at 7:17 PM, Carl Cook 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:
> # rsync --progress
On Fri, Jan 14, 2011 at 6:57 PM, Niklas Schnelle 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 snippet be
On Fri, Jan 7, 2011 at 3:15 PM, Andrew Schretter 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 transid verify f
On Fri, Jan 7, 2011 at 2:02 PM, Ken D'Ambrosio 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 2:01 PM, Tomasz Chmielewski 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
On Fri, Jan 7, 2011 at 1:25 PM, Tomasz Chmielewski 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 "btrfs-selec
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 gra
On Wed, Nov 17, 2010 at 8:08 PM, Li Zefan 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:
>
> git://repo.or.cz/linux-btrfs-devel.gi
On Mon, Dec 20, 2010 at 10:16 PM, Fajar A. Nugraha wrote:
> On Tue, Dec 21, 2010 at 10:51 AM, C Anthony Risinger 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//home/anthony bind
>
On Mon, Dec 13, 2010 at 3:25 AM, Gordan Bobic 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 t
On Sun, Dec 12, 2010 at 8:24 AM, Hubert Kario 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
>> to t
On Sun, Dec 5, 2010 at 3:51 AM, Helmut Hullen 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
On Sun, Dec 5, 2010 at 1:48 AM, Helmut Hullen 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
>> wrote:
>>> Hallo,
>>>
>>> I wrote am 02.12.10:
>>>
I use 2 disks (1.5 Tbyte and 2.0 TByte
gt; used rootflags and it worked!!
>
> 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 fil
>>> One thing I would like to see is copy-on-write hard-links. The hard-links
>>> that span snapshots should be possible, but they should be copy-on-write,
>>> i.e. as soon as hard-linked file that spans snapshots is written, the
>>> snapshot that wrote it should have it's own forked copy hencefort
On Wed, Nov 24, 2010 at 5:29 PM, Gordan Bobic wrote:
> On 11/24/2010 10:07 PM, David Nicol wrote:
>>
>> I've been thinking about this for a while, from a perspective of how
>> to make it work by allocating i-node numbers from a global pool, but
>> yesterday I realized that offering the feature wou
On Wed, Nov 24, 2010 at 1:32 AM, david grant 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 subvolume set-default
".
On Mon, Nov 8, 2010 at 5:33 PM, Leonidas Spyropoulos
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 2.6.36 and above o
On Mon, Nov 1, 2010 at 8:30 AM, Morten P.D. Stevens
wrote:
> Here is a small btrfs vs. ext4 benchmark with kernel 2.6.37-rc1.
>
> compilebench with options -i 10 -r 30 on 2.6.37-rc1
>
> btrfs
>
> ==
> intial create total runs
On Mon, Nov 1, 2010 at 6:14 AM, Felix Blanke 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 data :)
Kerne
On Mon, Nov 1, 2010 at 5:55 AM, Helmut Hullen wrote:
> Hallo, Felix,
>
> Du meintest am 01.11.10:
>
> btrfs-convert: extent-tree.c:2529: btrfs_reserve_extent:
> Assertion `!(ret)' failed
> Abgebrochen
>
Try btrfs-convert -r /dev/xxx, hopefully it will recover your ext2.
>
>>
On Mon, Nov 1, 2010 at 4:55 AM, Daniel J Blueman
wrote:
> On 1 November 2010 00:35, Andreas Bauer 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
>> message
>> which fs it is referi
On Mon, Nov 1, 2010 at 4:17 AM, Felix Blanke 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
> informations.
>
On Sun, Oct 31, 2010 at 1:58 PM, Felipe Contreras
wrote:
> On Mon, Oct 11, 2010 at 6:46 PM, Calvin Walton
> 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
>>> booting was very slow, but definitely sure
> 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
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
intere
On Wed, Sep 29, 2010 at 8:31 AM, Sebastian 'gonX' Jensen
wrote:
> On 29 September 2010 15:15, cwillu 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
>>> 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/),
Question 16 needs an "other" option, or some elaboration (I've had
things fixed via tool patches from developers).
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On Wed, Sep 15, 2010 at 7:10 PM, Chris Ball wrote:
> Hi,
>
> > How can one char equal two chars?
> >
> > input[i] == '\\'
>
> If the first char is the C escape sequence for string literals. :)
Why are those characters forbidden in a label?
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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
Descr
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
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.
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