On Tue, Aug 09, 2016 at 01:50:04PM +0200, Thomas wrote:
> Hello!
>
> I'm facing a severe issue with Debian installation using BTRFS:
> errno:28 (No space left on device)
Sending this message 3x won't make it more important.
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.2 the OOM is now going crazy and trying to kill whatever it
> can including my ssh and rsync process. Anyone seen anything similar?
That's probably OOM regression in 4.7. Could you please test this patch:
https://lkml.org/lkml/2016/8/23/145
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Tomasz Torcz ,,If you try t
On Wed, Sep 21, 2016 at 03:28:25PM +0800, Qu Wenruo wrote:
> Hi,
>
> For this well-known bug, is there any one fixing it?
>
> It can't be more frustrating finding some one has already worked on it after
> spending days digging.
>
> BTW, since kernel scrub is somewhat scrap for raid5/6, I'd like
onsisting
filesystem.
There are advantages of FDE like dm-crypt and selective encryption like in
ZFS.
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rom util-linux?
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the body of a messa
without loosing data? Thank
> you for any help you can provide.
Restriping had landed, so it should be doable.
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with existing encrypting filesystems:
– ext4 ?
– ZFS ?
It would be nice to have common API for encryption, not a dozen
of filesystem-specific interfaces.
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1 when I got another disk. The issue you've stumbled across is only
> partial motivation for this, the bigger motivation is that running half a 2
> disk array is more risky than running a single disk by itself.
Again, why? What's the difference? What causes incre
through this limit in only 2 years
The workload is lightly utilised home server / media center.
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On Tue, May 16, 2017 at 03:58:41AM +0200, Kai Krakow wrote:
> Am Mon, 15 May 2017 22:05:05 +0200
> schrieb Tomasz Torcz :
>
> > > Yes, I considered that, too. And when I tried, there was almost no
> > > perceivable performance difference between bcache-writearound and
On Fri, Mar 15, 2013 at 02:52:29PM -0400, Josef Bacik wrote:
> This fixes up the progs to properly deal with skinny metadata. This adds the
> -x
> option to mkfs and btrfstune for enabling the skinny metadata option. This
> also
> makes changes to fsck so it can properly deal with the skinny me
#x27;s the
commit:
http://cgit.freedesktop.org/systemd/systemd/commit/?id=746f89063666be8c4d538271c646585ac4fc4353
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t; generated initramfs.
On the side note: dm-cache, which is already in-kernel, do not need to
reformat backing storage.
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ime for btrfs are
quite common – it would be cool if it could be reduced.
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GPT or other partitioning details
> matter.
The issue was apparently fixed in 3.4-rc2:
http://lkml.indiana.edu/hypermail/linux/kernel/1204.1/00340.html
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; again Intel joins the pack with SSD510.
So, Intel is not that different anymore.
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fs device scan". It is typically done from udev rules. Also,
dracut does it in initramfs for quite a long time.
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On Tue, Jul 17, 2012 at 11:14:17AM +0200, David Sterba wrote:
> The original patch named the option -T, mkfs.xfs uses -K let's keep it
> same.
mkfs.ext2 used to have "-K" also, so one more +1 for this patch.
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Tomasz TorczOnly gods can safely risk per
oesn't, then it wasn't, end of story.
>
> How should user space know when to try mount? What user space is
> supposed to do during boot if mount fails? Do you suggest
>
> while true; do
> mount /dev/foo && exit 0
> done
>
> as part of startup sequence?
done with simplest systemd unit file:
btrfs-balance@.service:
---
[Unit]
Description=btrfs balance for %I
[Service]
ExecStart=/usr/bin/btrfs balance start %I
ExecStop=/usr/bin/btrfs balance cancel %I
---
It automates quite nicely and needs no additional code.
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Tomasz Torcz"
On Mon, Jul 11, 2016 at 07:17:28AM -0400, Austin S. Hemmelgarn wrote:
> On 2016-07-11 03:26, Tomasz Torcz wrote:
> > On Tue, Jun 21, 2016 at 11:16:59AM -0400, Austin S. Hemmelgarn wrote:
> > > Currently, balance operations are run synchronously in the foreground.
> > > T
re it's on the roadmap.
> >
> >- Chris.
>
> Is it possible to view the raid levels of data and meta data for an
> existing btrfs filesystem? It's easy to pick them when creating the
> system, but I couldn't find any way to view them afterwards.
"btrfs f df&
On Tue, Oct 12, 2010 at 10:49:35AM +0100, Hugo Mills wrote:
> On Tue, Oct 12, 2010 at 11:34:31AM +0200, Tomasz Torcz wrote:
> > On Tue, Oct 12, 2010 at 11:32:07AM +0200, David Brown wrote:
> > > Is it possible to view the raid levels of data and meta data for an
> > >
block/md127/md/
sync_action, sync_completed, sync_speed, reshape_position etc.
/proc file is legacy.
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provide copy semantics by manipulating
> metadata only?
>
Yes, see reflink(2) syscall (http://lwn.net/Articles/331576/).
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xmpp: zdzich...@chrome.plin the afternoon and evening." - Alan Cox
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r:
— bcache
— cleancache
— btrfs temperature tracking
— dm-hstore
— dm-cache / flashcache
Patches are in various states of implementation, some with explicit btrfs
support. There's no clear winner at this time, but some of above solutions
are shipped in distro kernels.
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Tomasz Torcz
tly build filesystems
must deal storage providing many gigabytes per second. Think
of massive disk arrays or stuff like Oracle F5100, claiming
12.8GB/sec read and ~10GB/s write (in one rack unit).
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t the dynamic disk is still really big. I
> > presume it is due to free space that isn't zeroed out.
> Does btrfs issue TRIM commands to the underlying (virtual) block device?
It does when mounted with - o discard. IIRC, btrfs also supports
FITRIM ioctl (but I'm
ys/class/misc/btrfs-control/dev
manually on each boot.
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ed the tools.
I think you need to get branch "dangerdonoteveruse" to get real fsck code.
> sudo mount -t btrfs /dev/sda /mnt/disk/
Could you try with "-o recovery"?
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Tomasz Torcz
On Sat, Feb 02, 2013 at 03:03:48PM -0600, CSights wrote:
> Hello,
> btrfs is failing to mount if I use the mount option acl.
There is no such option. ACLs are enabled by default, you can
only disable them with "noacl" option.
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nline and is reliable.
btrfs filesystem resize [devid:][+/-][gkm]|[devid:]max
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Hi,
I believe XOR_BLOCKS must be selected, otherwise build fails with:
ERROR: "xor_blocks" [fs/btrfs/btrfs.ko] undefined!
diff --git a/fs/btrfs/Kconfig b/fs/btrfs/Kconfig
index 4f5dc93..5f583c8 100644
--- a/fs/btrfs/Kconfig
+++ b/fs/btrfs/Kconfig
@@ -7,6 +7,7 @@ config BTRFS_FS
select
-devel.orcaware.com/blair/btrfs/2013-02-28/
> >
> Ok so now that I have it reproducing, how do I go about getting a custom
> kernel
> on there? I'm used to libvirt where all the networking stuff is done for me,
> this doesn't seem to connect to the network
---
Core 2 Duo is awfully old CPU. Since 2008, Intel CPUs have crc32 instruction,
hugely speeding up CRC operations.
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xmpp: zdzich...@chrome.pl "God is more fo
On Wed, Jun 11, 2014 at 08:11:38PM +0800, Wang Shilong wrote:
> So the problem is RW opening would trigger udev event which will
> call btrfs_scan_one_device(). In btrfs_scan_one_device(), it
> would open the block device with EXCL flag..meanwhile if another
> program try to open that device with O
/0HJ054
Kernel 3.5 is extremely old and lacks fixes from 11 kernel releases done
afterwards. Please contact your vendor (Canonical?) for support.
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omplex than a straight copy, so...
Uhm, sorry, but 5MBps is _entirely_ unreasonable. It is order-of-magnitude
unreasonable. And "all the processing" shouldn't even show as a blip
on modern CPUs.
This "speed" is undefendable.
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Tomasz Torcz R
same setup :
>
> Arch Linux with 3.16.1-1-ARCH kernel, fully running on BTRFS (with LZO
> compression) over LVM over LUKS.
Have you applied Liu's patch[1]? It not useful reporting knows bugs, if
you haven't.
1 – http://www.spinics.net/lists/l
trfs. I studied the list of project ideas at
> https://btrfs.wiki.kernel.org/index.php/Project_ideas and am especially
> interested in working on one of the following topics:
Have you considered per-file/per-directory selection of raid level?
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On Wed, Apr 23, 2014 at 06:19:52PM -0700, Marc MERLIN wrote:
> Oh while we're at it, are there companies that can say they are using btrfs
> in production?
Jolla is selling smartphones with btrfs.
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x
On Fri, May 06, 2011 at 01:04:28PM -0700, cac...@quantum-sci.com wrote:
>
> Anyone here?
Could you create link from you root parition to /dev/root and try again?
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capacity. Which
seems like a fair game, given todays 1,5TB HDDs.
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More majordomo info at http://vger.kernel.org/majordomo-info.html
re. Revert is not necessary.
OpenSolaris guys use snapshots for safe system upgrade. With ability to
select rootfs from before upgrade at GRUB screen and boot into older
installation. Revert is crucial in case of wedged upgrade.
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Using generic, replaceable by arch version is surely better. This way
you can avoid implementing crc32 for each architecture (like, for
example UltraSPARC T2, which computes crc at healthy 48 GB/s).
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every effort to avoid new disk format changes now (that are
> not backward compatible). Only a critical bug would result in a disk
> format change now.
Is this means that new format is ready for RAID5-like disk layout?
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n re-license Solaris and merge ZFS with btrfs.
Just kidding, I don't think it would be technically feasible.
(OTOH, acquiring Sun's patent portfolio… there are some strange places
on earth where people care about software patents).
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NFS. btrfs could take advantage of FS-Cache also.
¹ first-level is page cache in RAM
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P
CR2:
---[ end trace 9e41df932c81a801 ]---
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On Wed, Jul 22, 2009 at 10:40:31AM -0400, Chris Mason wrote:
> On Wed, Jul 22, 2009 at 01:27:06PM +0200, Tomasz Torcz wrote:
> >
> > Hi,
> >
> > I tried to export file from btrfs volume using iSCSI target.
> > As soon as some initiator have read it over
09 18:03:34 +0200
From: Edward Shishkin
Subject: grub-0.97/btrfs: [PATCH] against fedora 10
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On Thu, Jul 23, 2009 at 06:50:53PM +0200, Tomasz Chmielewski wrote:
> Tomasz Torcz wrote:
>> On Wed, Jul 22, 2009 at 10:40:31AM -0400, Chris Mason wrote:
>>> On Wed, Jul 22, 2009 at 01:27:06PM +0200, Tomasz Torcz wrote:
>>>> Hi,
>>>>
>>>>
Hi,
Recently I've observed some corruptions to systemd's journal
files which are somewhat puzzling. This is especially worrying
as this is btrfs raid1 setup and I expected auto-healing.
System details: 3.17.0-301.fc21.x86_64
btrfs: raid1 over 2x dm-crypted 6TB HDDs.
mount opts: rw,relatime,se
gt;
> Does scrub work for you?
As there seem to be no way to scrub individual files, I've started
scrub of full volume. It will take some hours to finish.
Meanwhile, could you satisfy my curiosity what would scrub do that
wouldn't be done by just reading the whole file?
--
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On Fri, Oct 17, 2014 at 04:29:36PM +0800, Liu Bo wrote:
> On Fri, Oct 17, 2014 at 10:10:09AM +0200, Tomasz Torcz wrote:
> > On Fri, Oct 17, 2014 at 04:02:03PM +0800, Liu Bo wrote:
> > > > Recently I've observed some corruptions to systemd's journal
> > > &
: 6.03TiB with 0 errors
I guess I'll have to check the patch Marc pointed out.
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On Fri, Oct 17, 2014 at 08:53:06AM -0400, Chris Mason wrote:
> On Fri, Oct 17, 2014 at 4:54 AM, Tomasz Torcz wrote:
> >On Fri, Oct 17, 2014 at 04:29:36PM +0800, Liu Bo wrote:
> >> On Fri, Oct 17, 2014 at 10:10:09AM +0200, Tomasz Torcz wrote:
> >> > On Fri, Oct 17, 20
On Fri, Oct 17, 2014 at 11:01:51AM -0400, Chris Murphy wrote:
>
> On Oct 16, 2014, at 5:17 AM, Tomasz Torcz wrote:
> >
> > Broken files are in /var/log/journal directory. This directory
> > is set NOCOW with chattr, all the files within too.
> >
> >
t repo. It's still the most likely explanation given the nature
> of the problem, however it would have been really interesting to see
> what corruption you had.
BTW, I had some similar issue. One file on btrfs had csum failed.
I've copied it using dd_rescue and, suprise,
sts and now I'm pretty
> sure that a bad RAM module was the root cause of it all...
> Oh well.
On the other hand, that what's so great in checksumming filesystems.
You found bad module thanks to btrfs, otherwise you wouldn't suspect
anyth
libc-2.10.90.so
[.] __GI_memcpy
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procs ---memory-- ---swap-- -io --system-- -cpu-
On Mon, Sep 28, 2009 at 09:35:43AM -0400, Chris Mason wrote:
> On Mon, Sep 28, 2009 at 02:18:27PM +0200, Tomasz Torcz wrote:
> >
> > Hi,
> >
> > I'm using btrfs as rootfs on my Fedora 12 (rawhide) test system.
> > Every yum activity is very slow,
On Tue, Sep 29, 2009 at 09:25:38AM -0400, Chris Mason wrote:
> On Tue, Sep 29, 2009 at 08:18:22AM +0200, Tomasz Torcz wrote:
> > On Mon, Sep 28, 2009 at 09:35:43AM -0400, Chris Mason wrote:
> > > > Every yum activity is very slow, like 15 minutes for installation of 11
>
On Wed, Sep 30, 2009 at 09:43:51PM +0200, Tomasz Torcz wrote:
> >
> > If you're comparing w/ext3 and wondering why btrfs is sooo much
> > slower it might be because btrfs has barriers on by default and ext3
> > doesn't. You could mount -o nobarrier for b
On Thu, Oct 01, 2009 at 11:01:46AM +0200, Tomasz Torcz wrote:
> On Wed, Sep 30, 2009 at 09:43:51PM +0200, Tomasz Torcz wrote:
> > >
> > > If you're comparing w/ext3 and wondering why btrfs is sooo much
> > > slower it might be because btrfs has barriers o
On Mon, Oct 26, 2009 at 05:55:45PM +0900, Chris Mason wrote:
> On Wed, Oct 21, 2009 at 11:27:33AM +0200, Tomasz Torcz wrote:
> > On Thu, Oct 01, 2009 at 11:01:46AM +0200, Tomasz Torcz wrote:
> > > On Wed, Sep 30, 2009 at 09:43:51PM +0200, Tomasz Torcz wrote:
> > &g
rtant? In my all experience, mdadm was the first
place when I got asked about RAID layout. No other RAID system known
to me exposes such design decision to user. Why would user need to bother
with such detail?
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Tomasz TorczTo co nierealne -- tutaj jest normalne.
xmp
; mount: /dev/sda3 is not a valid block device
>
> root.2010-01-07 is a snapshot of the /root-directory
> taken (successfully) with the following command:
> > btrfsctl -s root.2010-01-07 /root
Snapshots aren't subvolumes. You create mountable subvolumes with
btrfsctl -S
x0/0x28)
Although your oops is in btrfs_get_acl(), you may need similar fix
as done for btrfs_set_acl() in this commit:
http://git.kernel.org/?p=linux/kernel/git/mason/btrfs-unstable.git;a=commitdiff;h=a9cc71a60c29a09174bee2fcef8f924c529fd4b7
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btrfs defrag /dev/sda2 # for pool
btrfs defrag LABEL="lnx-test" # for pool; libblkid integration is
nice :)
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days ago I've asked dracut guys for including btrfs support.
Current result is here:
http://dracut.git.sourceforge.net/git/gitweb.cgi?p=dracut/dracut;a=tree;f=modules.d/90btrfs
It still being polished a little.
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(LKML)
pgpapzVu6MwL7.pgp
Description: PGP signature
er really debugged issue, I've moved to userspace iSCSI implementation,
which works fine.
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which
> will automatically detect all RAID drives with the FD partition flag
> set. DM may however be true.
MD will only detect RAID on MS-DOS partitions (seldom used when RAIDing
whole devices, not possible to use with devices >2 TiB) and metadata
0.90, which is not default. Userspace pr
gt; The array now reports as 5 devices with #2 (the original slot for sda8)
> now vacant - dare I say "missing". It reports as "*** Some devices missng"
> This seems counter intuitive to me. Suggestions ?.
You can pass "missing" to "btrfs device delete&quo
gt;
> Is it included in any distributions yet? Do you just need to build the
> latest kernel or something like that? Download the source code, and follow
> what it says in the INSTALL file?
Of course it is. Fedora installer allows btrfs since for few releases now.
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hat if I have large array of slow SATA
> disks and some fast SAS ones ?
I'm hoping that this is just first cut, and future versions will have options.
For now, it is totally unusable without a way of using mirrored SSD for
hot data.
Ideally, hot storage devices sh
w to find it and use it.
I'm not aware of this at the moment. However, there are data-temperature
tracking patches. Their point is to move hot data into faster storage.
I believe they can grow into generic infrastructure to inform filesystems
about non-homogenous nature of underlayin
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