From: Ilya Dryomov <idryomov@gmail.com>
To: "Jérôme Poulin" <jeromepoulin@gmail.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 00/21] Btrfs: restriper
Date: Tue, 14 Feb 2012 16:18:43 +0200 [thread overview]
Message-ID: <20120214141843.GA1987@zambezi.lan> (raw)
In-Reply-To: <CALJXSJpjmb2F=fg_KML_W61gRPfiFH8Drz-H+uukn9d4owdwTg@mail.gmail.com>
On Mon, Feb 13, 2012 at 09:31:09PM -0500, J=C3=A9r=C3=B4me Poulin wrote=
:
> On Fri, Jan 6, 2012 at 9:30 AM, Ilya Dryomov <idryomov@gmail.com> wro=
te:
> > This is a respin of restriper patch series which adds an initial
> > implementation of restriper (it's a clever name for relocation fram=
ework
> > that allows to do selective profile changing and selective balancin=
g
> > with some goodies like pausing/resuming and reporting progress to t=
he
> > user). =C2=A0See userspace cover patch for usage examples.
>=20
> I just tried merging this on my kernel 3.2.1 and it seems to work
> nicely. I compiled your btrfs-progs, made an LVM snapshot and launche=
d
> a balance on my 300 GB filesystem converted from ext4. It worked for
> converting my metadata from single to dup, however, it didn't succeed
> converting my system from single to dup.
>=20
> Here is the command I used:
> root /usr/src/kernel/btrfs-progs # ./btrfs balance start -f -v
> -sconvert=3Ddup -mconvert=3Ddup /mnt/btrfs/
> Dumping filters: flags 0xe, state 0x0, force is on
> METADATA (flags 0x100): converting, target=3D32, soft is off
> SYSTEM (flags 0x100): converting, target=3D32, soft is off
> Done, had to relocate 28 out of 220 chunks
>=20
> Then tried:
> root /usr/src/kernel/btrfs-progs # ./btrfs balance start -f -v
> -sconvert=3Ddup /mnt/btrfs/
> Dumping filters: flags 0xa, state 0x0, force is on
> SYSTEM (flags 0x100): converting, target=3D32, soft is off
> Done, had to relocate 0 out of 239 chunks
Yeah, that's known. The old balancing code wasn't allowed to relocate
chunk 0 and always skipped it. I decided to keep that limitation, it
will be lifted (or otherwise fixed) shortly.
Just to be sure, could you please paste the output of
`btrfs-debug-tree -d <your device>' somewhere ?
Thanks,
Ilya
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next prev parent reply other threads:[~2012-02-14 14:18 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-06 14:30 [PATCH 00/21] Btrfs: restriper Ilya Dryomov
2012-01-06 14:30 ` [PATCH 01/21] Btrfs: get rid of *_alloc_profile fields Ilya Dryomov
2012-01-06 14:30 ` [PATCH 02/21] Btrfs: introduce masks for chunk type and profile Ilya Dryomov
2012-01-06 14:30 ` [PATCH 03/21] Btrfs: add BTRFS_AVAIL_ALLOC_BIT_SINGLE bit Ilya Dryomov
2012-01-06 14:30 ` [PATCH 04/21] Btrfs: make avail_*_alloc_bits fields dynamic Ilya Dryomov
2012-01-06 14:30 ` [PATCH 05/21] Btrfs: add basic restriper infrastructure Ilya Dryomov
2012-01-06 14:30 ` [PATCH 06/21] Btrfs: add basic infrastructure for selective balancing Ilya Dryomov
2012-01-06 14:30 ` [PATCH 07/21] Btrfs: profiles filter Ilya Dryomov
2012-01-06 14:30 ` [PATCH 08/21] Btrfs: usage filter Ilya Dryomov
2012-01-06 14:30 ` [PATCH 09/21] Btrfs: devid filter Ilya Dryomov
2012-01-06 14:30 ` [PATCH 10/21] Btrfs: devid subset filter Ilya Dryomov
2012-01-06 14:30 ` [PATCH 11/21] Btrfs: virtual address space " Ilya Dryomov
2012-01-06 14:31 ` [PATCH 12/21] Btrfs: do not reduce profile in do_chunk_alloc() Ilya Dryomov
2012-01-06 14:31 ` [PATCH 13/21] Btrfs: implement online profile changing Ilya Dryomov
2012-01-06 14:31 ` [PATCH 14/21] Btrfs: soft profile changing mode (aka soft convert) Ilya Dryomov
2012-01-06 14:31 ` [PATCH 15/21] Btrfs: save balance parameters to disk Ilya Dryomov
2012-01-06 14:31 ` [PATCH 16/21] Btrfs: recover balance on mount Ilya Dryomov
2012-01-12 14:00 ` David Sterba
2012-01-12 14:29 ` Ilya Dryomov
2012-01-06 14:31 ` [PATCH 17/21] Btrfs: add skip_balance mount option Ilya Dryomov
2012-01-06 14:31 ` [PATCH 18/21] Btrfs: allow for pausing restriper Ilya Dryomov
2012-01-06 14:31 ` [PATCH 19/21] Btrfs: allow for cancelling restriper Ilya Dryomov
2012-01-06 14:31 ` [PATCH 20/21] Btrfs: allow for resuming restriper after it was paused Ilya Dryomov
2012-01-06 14:31 ` [PATCH 21/21] Btrfs: add balance progress reporting Ilya Dryomov
2012-01-09 6:50 ` [PATCH 00/21] Btrfs: restriper Marios Titas
2012-01-09 13:44 ` Ilya Dryomov
2012-01-10 18:31 ` Ilya Dryomov
2012-02-14 2:31 ` Jérôme Poulin
2012-02-14 14:18 ` Ilya Dryomov [this message]
2012-02-14 16:15 ` Jérôme Poulin
2012-02-14 16:44 ` Ilya Dryomov
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