As in the title...
The btrfs-progs v4.3.1 mkfs.btrfs manpage has a quite nice profiles table
listing the various profiles, single/dup/raid0/raid10/raid5/raid6.
It's missing raid1. =:^(
Also, it calls raid5/6 "copies" rather than "parity". Perhaps add
another column for parity, change the
From: Filipe Manana
During the final phase of a device replace operation, I ran into a
transaction abort that resulted in the following trace:
[23919.655368] WARNING: CPU: 10 PID: 30175 at fs/btrfs/extent-tree.c:9843
btrfs_create_pending_block_groups+0x15e/0x1ab [btrfs]()
On Fri, Nov 20, 2015 at 08:21:31AM -0500, Austin S Hemmelgarn wrote:
> On 2015-11-20 06:39, Dmitry Katsubo wrote:
> >If I may add:
> >
> >Information for "System"
> >
> > System, DUP: total=32.00MiB, used=16.00KiB
> >
> >is also quite technical, as for end user system = metadata (one can call
>
On 2015-11-20 08:27, Hugo Mills wrote:
On Fri, Nov 20, 2015 at 08:21:31AM -0500, Austin S Hemmelgarn wrote:
On 2015-11-20 06:39, Dmitry Katsubo wrote:
If I may add:
Information for "System"
System, DUP: total=32.00MiB, used=16.00KiB
is also quite technical, as for end user system =
On 2015-11-19 23:11, Paul Loewenstein wrote:
I have just had an apparently catastrophic collapse of a large RAID6
array. I was hoping that the dual-redundancy of a RAID6 array would
compensate for having no backup media large enough to back it up!
Duncan already did a really good job of
Many thanks to Duncan for such a verbose clarification. I am thinking
about another parallel similar to SimSity, and that is memory management
in virtual machines like Java. If heap is full, it does not really mean
that there is no free memory. In this case JVM forces garbage collector
and if
On 2015-11-20 06:39, Dmitry Katsubo wrote:
If I may add:
Information for "System"
System, DUP: total=32.00MiB, used=16.00KiB
is also quite technical, as for end user system = metadata (one can call
it "filesystem metadata" perhaps). For simplicity the numbers can be
added to "Metadata"
From: Filipe Manana
During the final phase of a device replace operation, I ran into a
transaction abort that resulted in the following trace:
[23919.655368] WARNING: CPU: 10 PID: 30175 at fs/btrfs/extent-tree.c:9843
btrfs_create_pending_block_groups+0x15e/0x1ab [btrfs]()
From: Filipe Manana
During the final phase of a device replace operation, I ran into a
transaction abort that resulted in the following trace:
[23919.655368] WARNING: CPU: 10 PID: 30175 at fs/btrfs/extent-tree.c:9843
btrfs_create_pending_block_groups+0x15e/0x1ab [btrfs]()
From: Filipe Manana
During the final phase of a device replace operation, I ran into a
transaction abort that resulted in the following trace:
[23919.655368] WARNING: CPU: 10 PID: 30175 at fs/btrfs/extent-tree.c:9843
btrfs_create_pending_block_groups+0x15e/0x1ab [btrfs]()
Am 20.11.2015 um 04:14 schrieb Duncan:
> Meta-comment:
>
> Apparently that attribution should actually be to Hugo Mills. I've no
> idea what went wrong, but at least here as received from gmane.org, the
> from header really does say linux-btrfs.tebulin, so something obviously
> bugged out
If I may add:
Information for "System"
System, DUP: total=32.00MiB, used=16.00KiB
is also quite technical, as for end user system = metadata (one can call
it "filesystem metadata" perhaps). For simplicity the numbers can be
added to "Metadata" thus eliminating that line as well.
For those
On Thu, Nov 19, 2015 at 05:49:37PM -0800, Liu Bo wrote:
> while xfstesting, this bug[1] is spotted by both btrfs/061 and btrfs/063,
> so those sub-stripe writes are gatherred into plug callback list and
> hopefully we can have a full stripe writes.
>
> However, while processing these plugged
On 2015-11-19 21:11, Duncan wrote:
Austin S Hemmelgarn posted on Thu, 19 Nov 2015 07:28:34 -0500 as
excerpted:
(having all updates installed on Ubuntu doesn't really count in this
case, they're pretty bad sometimes about not properly tracking upstream
development[)]
No kidding. I'm involved
linux-btrfs.tebulin posted on Fri, 20 Nov 2015 10:38:33 +0100 as
excerpted:
> Am 20.11.2015 um 04:14 schrieb Duncan:
>> Meta-comment:
>>
>> Apparently that attribution should actually be to Hugo Mills. I've no
>> idea what went wrong, but at least here as received from gmane.org, the
>> from
On 2015-11-20 14:52, Austin S Hemmelgarn wrote:
> On 2015-11-20 08:27, Hugo Mills wrote:
>> On Fri, Nov 20, 2015 at 08:21:31AM -0500, Austin S Hemmelgarn wrote:
>>> On 2015-11-20 06:39, Dmitry Katsubo wrote:
For those power users who really want to see the tiny details like
"System" and
On Tue, Nov 17, 2015 at 11:29 AM, Holger Hoffstätte
wrote:
> There's a regression in 4.4-rc since commit bc3094673f22
> (btrfs: extend balance filter usage to take minimum and maximum) in that
> existing (non-ranged) balance with -dusage=x no longer works; all
On Fri, 2015-11-20 at 17:23 +0100, Laurent Bonnaud wrote:
> So here is the output of "btrfs-debug-tree -t 2 " in case it may
Gosh... 15M via mail?! o.O
Anyway an update from my side...
I've copied all data from the fs in question to a new btrfs,... done
under Linux 4.2.6 and btrfs-progs v4.3.
No
On Fri, 2015-11-20 at 11:05 +, Duncan wrote:
> It's missing raid1. =:^(
speaking of which...
Wouldn't the developers consider to rename raid1 to something more
correct? E.g. replicas2 or dup or whatever.
RAID1 has ever had the meaning of mirrored devices and the closest to
this in btrfs
On Fri, Nov 20, 2015 at 09:57:49AM -0800, Liu Bo wrote:
> On Fri, Nov 20, 2015 at 08:13:58AM -0500, Chris Mason wrote:
> > On Thu, Nov 19, 2015 at 05:49:37PM -0800, Liu Bo wrote:
> > > while xfstesting, this bug[1] is spotted by both btrfs/061 and btrfs/063,
> > > so those sub-stripe writes are
On 11/20/2015 06:13 AM, Chris Mason wrote:
On Thu, Nov 19, 2015 at 05:49:37PM -0800, Liu Bo wrote:
while xfstesting, this bug[1] is spotted by both btrfs/061 and btrfs/063,
so those sub-stripe writes are gatherred into plug callback list and
hopefully we can have a full stripe writes.
However,
Thanks David.
Checked other places it seems to be fine.
My oversight on the rcu usage part. Thanks.
Reviewed-by: Anand Jain
On 11/19/2015 06:35 PM, David Sterba wrote:
The test btrfs/011 triggers a rcu warning
===
[ INFO: suspicious RCU
Dear list,
I am (still) trying to recover a RAID1 that can only be mounted
recovery,degraded,ro.
I experienced an issue that might be interesting for you: I tried to
mount the file system rw,recovery and the kernel ended up burning one
core (and only one specific core, never scheduled to another
On 11/21/2015 03:24 AM, Christoph Anton Mitterer wrote:
On Fri, 2015-11-20 at 17:23 +0100, Laurent Bonnaud wrote:
So here is the output of "btrfs-debug-tree -t 2 " in case it may
Gosh... 15M via mail?! o.O
Anyway an update from my side...
I've copied all data from the fs in question to a
Hi all,
This is a small patch set against the reflink/dedupe test cases in
xfstests. The first patch is a rewrite of the tools to find the
lowest vacant ID number and to move a test case. These two programs
are useful for staging a lot of new tests at a high number and moving
them to lower
Add two scripts: "nextid" finds the next available test ID number in a
group, and "mvtest" relocates a test, fixes the golden output, and
moves the group entry for that test.
v2: sorting group files should preserve group order; nextid should use
the same algorithm as new; move both tools to
Fix the error messages in the golden output for generic/15[78], which
examine the responses to invalid inputs as returned by the
clone/clone_range/extent_same ioctls. Also fix a filtering omission.
Signed-off-by: Darrick J. Wong
---
tests/generic/157 | 12
On Fri, Nov 20, 2015 at 02:30:43PM -0700, Jens Axboe wrote:
> On 11/20/2015 06:13 AM, Chris Mason wrote:
> >On Thu, Nov 19, 2015 at 05:49:37PM -0800, Liu Bo wrote:
> >>while xfstesting, this bug[1] is spotted by both btrfs/061 and btrfs/063,
> >>so those sub-stripe writes are gatherred into plug
On Fri, Nov 20, 2015 at 02:12:26PM +, fdman...@kernel.org wrote:
> From: Filipe Manana
>
> During the final phase of a device replace operation, I ran into a
> transaction abort that resulted in the following trace:
>
> [23919.655368] WARNING: CPU: 10 PID: 30175 at
A follow-up question:
Can "btrfs_recover_relocation" prevented from being run? I would not
mind losing a few recent writes (what was a balance) but instead going
rw again, so I can restart a balance.
>From what I have read, btrfs-zero-log would not help in this case (?) so
I did not run it so
On 11/21/2015 01:47 PM, Qu Wenruo wrote as excerpted:
> Hard to say, but we'd better keep an eye on this issue.
> At least, if it happens again, we should know if it's related to
> something like newer kernel or snapshots.
I can confirm the initially describe behavior of "btrfs check" and
reading
On Fri, Nov 20, 2015 at 07:26:45PM -0700, Jens Axboe wrote:
> On 11/20/2015 04:08 PM, Liu Bo wrote:
> >On Fri, Nov 20, 2015 at 02:30:43PM -0700, Jens Axboe wrote:
> >>On 11/20/2015 06:13 AM, Chris Mason wrote:
> >>>On Thu, Nov 19, 2015 at 05:49:37PM -0800, Liu Bo wrote:
> while xfstesting,
On 11/20/2015 08:14 PM, Liu Bo wrote:
On Fri, Nov 20, 2015 at 07:26:45PM -0700, Jens Axboe wrote:
On 11/20/2015 04:08 PM, Liu Bo wrote:
On Fri, Nov 20, 2015 at 02:30:43PM -0700, Jens Axboe wrote:
On 11/20/2015 06:13 AM, Chris Mason wrote:
On Thu, Nov 19, 2015 at 05:49:37PM -0800, Liu Bo
Christoph Anton Mitterer posted on Fri, 20 Nov 2015 20:29:34 +0100 as
excerpted:
> On Fri, 2015-11-20 at 11:05 +, Duncan wrote:
>> It's missing raid1. =:^(
> speaking of which...
>
> Wouldn't the developers consider to rename raid1 to something more
> correct? E.g. replicas2 or dup or
On 11/20/2015 04:08 PM, Liu Bo wrote:
On Fri, Nov 20, 2015 at 02:30:43PM -0700, Jens Axboe wrote:
On 11/20/2015 06:13 AM, Chris Mason wrote:
On Thu, Nov 19, 2015 at 05:49:37PM -0800, Liu Bo wrote:
while xfstesting, this bug[1] is spotted by both btrfs/061 and btrfs/063,
so those sub-stripe
Lukas Pirl posted on Sat, 21 Nov 2015 13:37:37 +1300 as excerpted:
> Can "btrfs_recover_relocation" prevented from being run? I would not
> mind losing a few recent writes (what was a balance) but instead going
> rw again, so I can restart a balance.
I'm not familiar with that thread name (I run
On Fri, Nov 20, 2015 at 08:29:06PM -0700, Jens Axboe wrote:
> On 11/20/2015 08:14 PM, Liu Bo wrote:
> >On Fri, Nov 20, 2015 at 07:26:45PM -0700, Jens Axboe wrote:
> >>On 11/20/2015 04:08 PM, Liu Bo wrote:
> >>>On Fri, Nov 20, 2015 at 02:30:43PM -0700, Jens Axboe wrote:
> On 11/20/2015 06:13
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