ile as argument and give a clearer error message
in this case?
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give much of a
> benefit unless the target file is nocow.
>
> (Also I thought only certain other utilities had supercow powers, but well
> BTRFS seems to have them as well :)
Anyone any idea?
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Am Donnerstag, 22. Oktober 2015, 10:41:15 CET schrieb Martin Steigerwald:
> I get this:
>
> merkaba:~> btrfs scrub status -d /
> scrub status for […]
> scrub device /dev/mapper/sata-debian (id 1) history
> scrub started at Thu Oct 22 10:05:49 2015 and was abor
– but it wouldn´t give much of a
benefit unless the target file is nocow.
(Also I thought only certain other utilities had supercow powers, but well
BTRFS seems to have them as well :)
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---
eric@europa:~/filefrag/2015-07-09$ filefrag
/home/.ecryptfs/eric/.Private/ECRYPTFS_FNEK_ENCRYPTED.FWbZ4j3re5lQYkQsG5Uh
[…]
Nice, someone like me searching the correspondending file name in ecryptfs
for defragmenting :)
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Am Samstag, 11. Juli 2015, 10:40:29 schrieb erp...@gmail.com:
On Sat, Jul 11, 2015 at 4:12 AM, Martin Steigerwald mar...@lichtvoll.de
wrote:
Always do sync after a btrfs fi defrag and before measuring with
filefrag. The kernel may not have written everything. I have seen this
repeatedly
4.55TiB used 7.38GiB path /dev/sde
*** Some devices missing
btrfs fi df
Data, RAID5: total=21.00GiB, used=18.30GiB
System, RAID5: total=96.00MiB, used=16.00KiB
Metadata, RAID5: total=1.03GiB, used=19.59MiB
GlobalReserve, single: total=16.00MiB, used=0.00B
dmesg attached.
Thanks,
Martin
nd performance is not a top priority at this stage but I
don't see why it shouldn't perform at least equally good as ZFS/F2FS
on the same workloads. Is looking at performance problems on the
development roadmap?
regards
Martin
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randomly like some common ones do. But take care about the hard
disk write cache, which should be off.
http://xfs.org/index.php/
XFS_FAQ#Q._Should_barriers_be_enabled_with_storage_which_has_a_persistent_write_cache.
3F
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ation in btrfs - but I'm
lacking the bigger picture and the explicit use case for btrfs in this
setup?
hops.io looks very interesting through. Would be great if you could
clarify your ideas a little bit.
HTH & regards
Martin
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Hi,
the commit "Btrfs: incremental send, check if orphanized dir inode needs
delayed rename" causes incremental send/receive to fail if a file is
unlinked and then reflinked to the same location from the parent
snapshot. An xfstest reproducing the issue is attached.
Regards,
M
_need_killpriv+0x33/0x50
[414675.259029] [] btrfs_file_write_iter+0x171/0x560 [btrfs]
[414675.259035] [] __vfs_write+0xa7/0xf0
[414675.259040] [] vfs_write+0xa6/0x1a0
[414675.259046] [] ? __do_page_fault+0x1b4/0x400
[414675.259051] [] SyS_write+0x46/0xa0
[414675.259055] [] entry_SYSCAL
Qu Wenruo:
> Martin Steigerwald wrote on 2015/12/14 09:18 +0100:
> > Am Montag, 14. Dezember 2015, 10:08:16 CET schrieb Qu Wenruo:
> >> Martin Steigerwald wrote on 2015/12/13 23:35 +0100:
[…]
> >>> I am seriously consider to switch to XFS for my production laptop agai
on ready* filesystem.
I am seriously consider to switch to XFS for my production laptop again. Cause
I never saw any of these free space issues with any of the XFS or Ext4
filesystems I used in the last 10 years.
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Am Mittwoch, 16. Dezember 2015, 00:18:53 CET schrieb Martin Steigerwald:
> Am Montag, 14. Dezember 2015, 08:59:59 CET schrieb Martin Steigerwald:
> > Am Mittwoch, 25. November 2015, 16:35:39 CET schrieben Sie:
> > > Am Samstag, 31. Oktober 2015, 12:10:37 CET schrieb Martin Steig
Am Dienstag, 15. Dezember 2015, 16:59:58 CET schrieb Chris Mason:
> On Mon, Dec 14, 2015 at 10:08:16AM +0800, Qu Wenruo wrote:
> > Martin Steigerwald wrote on 2015/12/13 23:35 +0100:
> > >Hi!
> > >
> > >For me it is still not production ready.
> >
> &
Am Montag, 14. Dezember 2015, 08:59:59 CET schrieb Martin Steigerwald:
> Am Mittwoch, 25. November 2015, 16:35:39 CET schrieben Sie:
> > Am Samstag, 31. Oktober 2015, 12:10:37 CET schrieb Martin Steigerwald:
> > > Am Donnerstag, 22. Oktober 2015, 10:41:15 CET schrieb Martin
Stei
Am Sonntag, 13. Dezember 2015, 15:19:14 CET schrieb Marc MERLIN:
> On Sun, Dec 13, 2015 at 11:35:08PM +0100, Martin Steigerwald wrote:
> > Hi!
> >
> > For me it is still not production ready. Again I ran into:
> >
> > btrfs kworker thread uses up 100%
Am Mittwoch, 25. November 2015, 16:35:39 CET schrieben Sie:
> Am Samstag, 31. Oktober 2015, 12:10:37 CET schrieb Martin Steigerwald:
> > Am Donnerstag, 22. Oktober 2015, 10:41:15 CET schrieb Martin Steigerwald:
> > > I get this:
> > >
> > > merkaba:~> btr
Am Montag, 14. Dezember 2015, 10:08:16 CET schrieb Qu Wenruo:
> Martin Steigerwald wrote on 2015/12/13 23:35 +0100:
> > Hi!
> >
> > For me it is still not production ready.
>
> Yes, this is the *FACT* and not everyone has a good reason to deny it.
>
> > Agai
Hi Qu.
I reply to the journal fs things in a mail with a different subject.
Am Montag, 14. Dezember 2015, 16:48:58 CET schrieb Qu Wenruo:
> Martin Steigerwald wrote on 2015/12/14 09:18 +0100:
> > Am Montag, 14. Dezember 2015, 10:08:16 CET schrieb Qu Wenruo:
> >> Martin Steiger
Am Sonntag, 3. Januar 2016, 17:33:03 CET schrieb John Center:
> Hi Martin,
Hi John,
> One thing I forgot, I did run btrfs-image & it appears to have successfully
> completed afaict. Do you think it would be useful to someone for future
> troubleshooting?
I leave that to th
try to use btrfs restore for
restoring them.
5) Then, if you made sure you have an up-to-date backup run
btrfs --repair
Also watch out for other guidance you may receive her. My approach is based on
what I would do. I never had the need to repair a BTRFS filesystem so far.
Thanks,
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n SSD to use for hot data.
Or is this something different?
Happy New Year and thanks,
Martin
> Signed-off-by: Sanidhya Solanki <jpage.l...@gmail.com>
> ---
> fs/btrfs/Makefile | 2 +-
> fs/btrfs/cache.c | 58
> +++ 2 files change
Am Samstag, 2. Januar 2016, 11:35:51 CET schrieb Martin Steigerwald:
> Am Freitag, 1. Januar 2016, 20:04:43 CET schrieb John Center:
> > Hi Duncan,
> >
> > On Fri, Jan 1, 2016 at 12:05 PM, Duncan <1i5t5.dun...@cox.net> wrote:
> > > John Center poste
un a scrub
again after the repair attempt. And if its good I will play it safe and redo
the filesystem from scratch.
It may have been I used a mkfs.btrfs from 4.1.1 for creating it. Would be good
if it stored the version of the tool that created the fs into the fs itself to
be able to know
Am Freitag, 1. Januar 2016, 13:20:49 CET schrieb John Center:
> > On Jan 1, 2016, at 12:41 PM, Martin Steigerwald <mar...@lichtvoll.de>
> > wrote:
> > Am Freitag, 1. Januar 2016, 11:41:20 CET schrieb John Center:
[…]
> >>> On Jan 1, 2016, at 12:55 AM,
Am Samstag, 2. Januar 2016, 18:27:16 CET schrieb John Center:
> Hi Martin,
>
> > On Jan 2, 2016, at 6:41 AM, Martin Steigerwald <mar...@lichtvoll.de>
>
> wrote:
> > Am Samstag, 2. Januar 2016, 11:35:51 CET schrieb Martin Steigerwald:
> >> Am Freitag, 1.
Am Sonntag, 3. Januar 2016, 02:02:12 CET schrieb John Center:
> Hi Martin & Duncan,
Hi John,
> Since I had a backup of my data, I first ran "btrfs check -p" on the
> unmounted array. It first found 3 parent transid errors:
>
> root@ubuntu:~# btrfs check -p /dev/
It refuses to rm -rf . or rm -rf .. and rm -rf / (unless you give special
argument, but there is not much it can do about rm -r /*, as the shell expands
this before handing it to the command.
Thanks,
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be wiped and recreated with a mkfs.btrfs
> without the bug, to fix.
btrfs check from btrfs tools 4.3.1 on kernel 4.4-rc6 has not been able to fix
these errors and I recreated the filesystem that had the errors. I think I
mentioned it also in this thread.
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0:08:16AM +0800, Qu Wenruo wrote:
> >> Martin Steigerwald wrote on 2015/12/13 23:35 +0100:
> >>> Hi!
> >>>
> >>> For me it is still not production ready.
> >>
> >> Yes, this is the *FACT* and not everyone has a good reason to deny it.
>
ed in another thread here, until I
used 4.4 kernel. With 4.3 kernel scrub also didn´t work. I didn´t use the
debug options you used above and I am not sure whether I had this scrub issue
with 4.2 already, so I am not sure it has been the same issue. But you may
need to run 4.4 kernel in order to
nsists of a patch set to
add hot data tracking to VFS and a patch set for adding support in BTRFS. But
I didn´t see anything of these in quite some time.
Happy christmas,
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ardware a fsck run can report bogus data, i.e. problems
where they are none or vice versa. If I suspect defect memory or controller I
would check the device on different hardware only. Especially on attempts to
repair any possible issues.
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Am Samstag, 31. Oktober 2015, 12:10:37 CET schrieb Martin Steigerwald:
> Am Donnerstag, 22. Oktober 2015, 10:41:15 CET schrieb Martin Steigerwald:
> > I get this:
> >
> > merkaba:~> btrfs scrub status -d /
> > scrub status for […]
> > scrub device /d
Am Dienstag, 24. November 2015, 00:13:08 CET schrieb Christoph Hellwig:
> On Fri, Nov 20, 2015 at 05:19:31PM +0100, Martin Steigerwald wrote:
> > I know its mostly relevant for just for FAT32, but on any account rather
> > than trying to write 4 GiB and then file, it would be
.btrfs, mkfs.xfs and so on. I´d like that, but that would be a suggestions
for the coreutils people.
Yes, Unix is for people who know what they are doing… unless they don´t. And
in the end even one of the most experienced admin could make such a mistake.
Goodnight,
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o be the case with storage
related commands in GNU/Linux.
I don´t have a clear oppinion about it other than I´d like to see some
standard too. coreutils / util-linux both them to have some kind of standard,
although not necessarily the same standard I bet. And I am not sure whether it
is docum
hink it doesn´t need to recreate the
filesystem.
I wonder what happened to the VFS hot data tracking stuff patchset floating
around here quite some time ago.
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72GiB
32 GiB chunks allocated, only 3,72 GiB used.
Maybe that way you can gain more free space to have a full balance run.
Also note that it is not necessary to do a full balance in case everything
works okayish.
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On Freitag, 8. April 2016 11:12:54 CEST Hugo Mills wrote:
> On Fri, Apr 08, 2016 at 01:01:03PM +0200, Martin Steigerwald wrote:
> > Hello!
> >
> > As far as I understood, for differential btrfs send/receive – I didn´t use
> > it yet – I need to keep a snapshot on the
that generation number + the
destination snapshots.
Well, or get larger SSDs or get rid of some data on them.
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= 1
write(1, " Total Exclusive Set shar"..., 3161) = 3161
exit_group(1) = ?
+++ exited with 1 +++
Read-only snapshots give Unknown error -1 too, this time EROFS.
Is it expected?
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the body o
once about fs benchmarks running faster in Virtualbox than on
the physical system, which may point at an at least incomplete fsync()
implementation for writing into Virtualbox image files.
I never found any proof of this nor did I specificially seeked to research it.
So it may be
On Sonntag, 13. Dezember 2015 23:35:08 CET Martin Steigerwald wrote:
> Hi!
>
> For me it is still not production ready. Again I ran into:
>
> btrfs kworker thread uses up 100% of a Sandybridge core for minutes on
> random write into big file
> https://bugzilla.kernel.org/sho
hing that does file name encryption like ecryptfs or the Ext4/F2FS
approach, but if the subvolume specifics of BTRFS can be used to encrypted
more of the metadata then even better!
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image
I use 4.3 backport kernel successfully on two server VMs which use BTRFS.
[1] http://backports.debian.org/
Thx,
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Works for me, thanks.
Martin Volf
On Mon, Mar 21, 2016 at 1:23 PM, Austin S. Hemmelgarn
<ahferro...@gmail.com> wrote:
> Currently, btrfs fi du uses open_file_or_dir(), which tries to open
> it's argument with o_RDWR. Because of POSIX semantics, this fails for
> non-root user
size back to max.
>
> It doesn't:
> [20/518]mh@fan:~$ sudo btrfs filesystem resize 300G /media/tempdisk/
> Resize '/media/tempdisk/' of '300G'
> [22/520]mh@fan:~$ sudo btrfs check /media/tempdisk/
> Superblock bytenr is larger than device size
> Couldn't open file system
> [23
ands
> like "du" and "df" hang until reboot.
>
> I've now restored the file from backup but it happens over and over
> again.
Just as another data point I am irregularily using a VM with Virtualbox in a
VDI file on a BTRFS RAID 1 on two SSDs and had no such issue
On 5.3.2016 06:34, Duncan wrote:
Chris Murphy posted on Fri, 04 Mar 2016 19:46:34 -0700 as excerpted:
On Fri, Mar 4, 2016 at 4:16 PM, Martin Mlynář <ne...@smoula.net> wrote:
[Mount options line split/wrapped for followup]
rw,noatime,nodatasum,nodatacow,ssd,discard,space
nk you all for your help. Now I'm on 4.5.0-rc6-mainline with pointed
patch and issue seems to be resolved.
Thank you for your time!
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More majordo
Dne 22.4.2016 v 0:44 Chris Murphy napsal(a):
> On Thu, Apr 21, 2016 at 6:53 AM, Martin Svec <martin.s...@zoner.cz> wrote:
>> Hello,
>>
>> we use btrfs subvolumes for rsync-based backups. During backups btrfs often
>> fails with "No space
>> left&qu
Dne 22.4.2016 v 23:00 Nicholas D Steeves napsal(a):
> On 21 April 2016 at 18:44, Chris Murphy <li...@colorremedies.com> wrote:
>> On Thu, Apr 21, 2016 at 6:53 AM, Martin Svec <martin.s...@zoner.cz> wrote:
>>> Hello,
>>>
>>> we use btrfs subvolum
o desktop environments wishing to make use of
snapshot functionality or advanced disk usage reporting for example can easily
make use of it without calling external commands.
Of course it would likely me more effort than to implement structured output.
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snapshotting reducing metadata workload. Then you could create read-only
snapshots from the UrBackup sub-volumes and use e.g. buttersink to copy
those to another btrfs.
So maybe try that?
Regards,
Martin
smime.p7s
Description: S/MIME Cryptographic Signature
d
the properly snapshotted state, so I see the advantages more with
usability and taking care of corner cases automatically.
Regards,
Martin Raiber
smime.p7s
Description: S/MIME Cryptographic Signature
On 08.02.2017 14:08 Austin S. Hemmelgarn wrote:
> On 2017-02-08 07:14, Martin Raiber wrote:
>> Hi,
>>
>> On 08.02.2017 03:11 Peter Zaitsev wrote:
>>> Out of curiosity, I see one problem here:
>>> If you're doing snapshots of the live database, each snap
On 13.2.2017 21:03, Hans van Kranenburg wrote:
On 02/13/2017 12:26 PM, Martin Mlynář wrote:
I've currently run into strange problem with BTRFS. I'm using it as my
daily driver as root FS. Nothing complicated, just few subvolumes and
incremental backups using btrbk.
Now I've noticed that my
It looks you're right!
On a different machine:
# btrfs sub list / | grep -v lxc
ID 327 gen 1959587 top level 5 path mnt/reaver
ID 498 gen 593655 top level 5 path var/lib/machines
# btrfs sub list / -d | wc -l
0
Ok, apparently it's a regression in one of the latest versions then.
But, it
1 size 200.00GiB used 200.00GiB path /dev/mapper/vg0-btrfsroot
Thank you for your time,
Best regards
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Am Mittwoch, 7. September 2016, 11:53:04 CEST schrieb Christian Rohmann:
> On 03/20/2016 12:24 PM, Martin Steigerwald wrote:
> >> btrfs kworker thread uses up 100% of a Sandybridge core for minutes on
> >>
> >> > random write into big file
> >> > http
Am Sonntag, 11. September 2016, 19:46:32 CEST schrieb Hugo Mills:
> On Sun, Sep 11, 2016 at 09:13:28PM +0200, Martin Steigerwald wrote:
> > Am Sonntag, 11. September 2016, 16:44:23 CEST schrieb Duncan:
> > > * Metadata, and thus mixed-bg, defaults to DUP mode on a single-devic
e lays a
> common problem?
Hmm… I found this from being referred to by reading Debian wiki page on
BTRFS¹.
I use compress=lzo on BTRFS RAID 1 since April 2014 and I never found an
issue. Steven, your filesystem wasn´t RAID 1 but RAID 5 or 6?
I just want to assess whether using compress=lz
t be equal, and the block
group types must match.
Note
versions up to 4.2.x forced the mixed mode for devices
smaller than 1GiB. This has been removed in 4.3+ as it
caused some usability issues.
Thanks
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)
I don´t get this part. That is just *metadata* being duplicated, not the
actual *data* inside the files. Or am I missing something here?
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Am Sonntag, 11. September 2016, 13:02:21 CEST schrieb Hugo Mills:
> On Sun, Sep 11, 2016 at 02:39:14PM +0200, Waxhead wrote:
> > Martin Steigerwald wrote:
> > >Am Sonntag, 11. September 2016, 13:43:59 CEST schrieb Martin Steigerwald:
> > >>>>Thing is: This just
Am Sonntag, 11. September 2016, 16:54:25 CEST schrieben Sie:
> Am Sonntag, 11. September 2016, 14:39:14 CEST schrieb Waxhead:
> > Martin Steigerwald wrote:
> > > Am Sonntag, 11. September 2016, 13:43:59 CEST schrieb Martin
Steigerwald:
> > >>>>> The Nouv
Thanks,
>
> My intention was not to be hostile and if my response sound a bit harsh
> for you then by all means I do apologize for that.
Okay, maybe I read something into your mail that you didn´t intend to put
there. Sorry. Let us focus on the constructive way to move forward wit
Am Sonntag, 11. September 2016, 14:39:14 CEST schrieb Waxhead:
> Martin Steigerwald wrote:
> > Am Sonntag, 11. September 2016, 13:43:59 CEST schrieb Martin Steigerwald:
> >>>>> The Nouveau graphics driver have a nice feature matrix on it's webpage
> >>>&
Am Sonntag, 11. September 2016, 21:56:07 CEST schrieb Imran Geriskovan:
> On 9/11/16, Duncan <1i5t5.dun...@cox.net> wrote:
> > Martin Steigerwald posted on Sun, 11 Sep 2016 17:32:44 +0200 as excerpted:
> >>> What is the smallest recommended fs size for btrfs?
&
the kernel version the page talks about. Everyone who
updates the page can update the version within a second.
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Am Montag, 12. September 2016, 23:21:09 CEST schrieb Pasi Kärkkäinen:
> On Mon, Sep 12, 2016 at 09:57:17PM +0200, Martin Steigerwald wrote:
> > Am Montag, 12. September 2016, 18:27:47 CEST schrieb David Sterba:
> > > On Mon, Sep 12, 2016 at 04:27:14PM +0200, David Sterba
Am Dienstag, 13. September 2016, 07:28:38 CEST schrieb Austin S. Hemmelgarn:
> On 2016-09-12 16:44, Chris Murphy wrote:
> > On Mon, Sep 12, 2016 at 2:35 PM, Martin Steigerwald <mar...@lichtvoll.de>
wrote:
> >> Am Montag, 12. September 2016, 23:21:09 CEST schrieb Pasi Kärkk
ts a 3.10 one), XFS from
kernel this.that, including new incompat CRC disk format and the need to also
upgrade xfsprogs in lockstep, and this and that from kernel this.that and so
on. Frankenstein as an association comes to my mind, but I bet RHEL kernel
engineers know what they are doing.
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Mar
Am Sonntag, 11. September 2016, 13:21:30 CEST schrieb Zoiled:
> Martin Steigerwald wrote:
> > Am Sonntag, 11. September 2016, 10:55:21 CEST schrieb Waxhead:
> >> I have been following BTRFS for years and have recently been starting to
> >> use BTRFS more and more and
Am Sonntag, 11. September 2016, 13:43:59 CEST schrieb Martin Steigerwald:
> > >> The Nouveau graphics driver have a nice feature matrix on it's webpage
> > >> and I think that BTRFS perhaps should consider doing something like
> > >> that
> > >>
ork with the feature matrix already there and fill in
information about stability. I think it makes sense tough to discuss first on
how to do it with still keeping it manageable.
Thanks,
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, Oct 10, 2016 at 10:44 AM, Martin Dev <mrturtle...@gmail.com> wrote:
> Hey everyone,
>
> I work for system verification of SSDs and we've recently come up
> against an issue with BTRFS on Ubuntu 16.04. We have a framework which
> follows the following steps:
>
> Ge
Am Donnerstag, 15. September 2016, 07:55:36 CEST schrieb Kai Krakow:
> Am Mon, 12 Sep 2016 08:20:20 -0400
>
> schrieb "Austin S. Hemmelgarn" <ahferro...@gmail.com>:
> > On 2016-09-11 09:02, Hugo Mills wrote:
> > > On Sun, Sep 11, 2016 at 02:39:14PM +0200,
* you can use
footnotes or further explainations regarding features that need them with a
headline per feature below the table and a link to it from within the table.
Thank you!
--
Martin
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SATA trace shows device behaving correctly.
btrfs repair --ignore-errors /dev/sda2 /tmp/ will yield files that are
not verifiable by FIO, and differ from the original files on the
internal drive that they were copied from at the failing offset.
On Wed, Oct 19, 2016 at 3:39 PM, Martin Dev
; On Mon, 10 Oct 2016 10:44:39 +0100
>> Martin Dev <mrturtle...@gmail.com> wrote:
>>
>>> I work for system verification of SSDs and we've recently come up
>>> against an issue with BTRFS on Ubuntu 16.04
>>
>>> This seems to be a recent change
>
problem.
Perhaps it would be good to somehow show that "global reserve" belongs
to metadata and show in btrfs fi usage/df that metadata is full if
global reserve>=free metadata, so that future users are not as confused
by this situation as I was.
Regards,
Martin Raiber
smime.p7s
Description: S/MIME Cryptographic Signature
Hi,
I'm having a file system which is currently broken because of ENOSPC issues.
It is a single device file system with no compression and no quotas
enabled but with some snapshots. Creation and initial ENOSPC/free space
inconsistency with 4.4.20 and 4.4.30 (both vanilla).
Currently I am on
On 22.11.2016 15:16 Martin Raiber wrote:
> ...
> Interestingly,
> after running "btrfs check --repair" "df" shows 0 free space (Used
> 516456408 Available 0), being inconsistent with the below other btrfs
> free space information.
>
> btrfs fi usa
Am Mittwoch, 16. November 2016, 15:43:36 CET schrieb Roman Mamedov:
> On Wed, 16 Nov 2016 11:25:00 +0100
>
> Martin Steigerwald <martin.steigerw...@teamix.de> wrote:
> > merkaba:~> mount -o degraded,clear_cache /dev/satafp1/backup /mnt/zeit
> > mount: Fals
We seem to be looping a lot on
daten-restore/[…]/virtualbox-4.1.18-dfsg/out/lib/vboxsoap.a, do you want to
keep going on ? (y/N/a):
after about 35 GiB of data restored. I answered no to this one and now it is
at about 53 GiB already. I just got another one of these, but also not
concerning a
Am Mittwoch, 16. November 2016, 16:00:31 CET schrieb Roman Mamedov:
> On Wed, 16 Nov 2016 11:55:32 +0100
>
> Martin Steigerwald <martin.steigerw...@teamix.de> wrote:
> > I do think that above kernel messages invite such a kind of interpretation
> > tough. I took th
gt; btrfs scrub status /dev/satafp1/daten
scrub status for […]
scrub started at Wed Nov 16 12:13:27 2016, running for 00:00:10
total bytes scrubbed: 45.53MiB with 0 errors
It would be helpful to receive a proper error message on this one.
Okay, seems today I learned quite something abou
Am Mittwoch, 16. November 2016, 07:57:08 CET schrieb Austin S. Hemmelgarn:
> On 2016-11-16 06:04, Martin Steigerwald wrote:
> > Am Mittwoch, 16. November 2016, 16:00:31 CET schrieb Roman Mamedov:
> >> On Wed, 16 Nov 2016 11:55:32 +0100
> >>
> >> Martin Steig
gt; decisions.
I agree – as error reporting I think is indead misleading. Feel free to edit
it.
Ciao,
--
Martin
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Hey everyone,
I work for system verification of SSDs and we've recently come up
against an issue with BTRFS on Ubuntu 16.04. We have a framework which
follows the following steps:
Generate verifiable 10GB file with FIO on internal drive
Copy 10GB file to 2 target partitions on DUT (using "cp"
After some investigation this seems to follow the discard flag set in fstab.
9 or so reproductions with discard on partition 2 fail
move discard flag to partition 1, then partition 1 fails.
Re-running our tests with no discard options set in fstab
On Mon, Oct 10, 2016 at 1:02 PM, Martin Dev
as excerpted:
> >>>> Am 30/11/16 um 09:06 schrieb Martin Steigerwald:
> >>>>> Am Mittwoch, 30. November 2016, 10:38:08 CET schrieb Roman Mamedov:
[…]
> >> It is really disappointing to not have this information in the wiki
> >> itself. This w
rnel messages; and
> the raid10 actually being more like raid0+1 I think it certainly a
> gotcha, however 'man mkfs.btrfs' contains a grid that very clearly
> states raid10 can only safely lose 1 device.
Wow, that manpage is quite an resource.
Developers, documentation people definitely
gt;
> Most of these also apply to all other RAID levels.
So the stability matrix would need to be updated not to recommend any kind of
BTRFS RAID 1 at the moment?
Actually I faced the BTRFS RAID 1 read only after first attempt of mounting it
"degraded" just a short time ago.
BTRFS sti
On 04.01.2017 00:43 Hans van Kranenburg wrote:
> On 01/04/2017 12:12 AM, Peter Becker wrote:
>> Good hint, this would be an option and i will try this.
>>
>> Regardless of this the curiosity has packed me and I will try to
>> figure out where the problem with the low transfer rate is.
>>
>>
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