From: Hugo Mills <hugo@carfax.org.uk>
To: cwillu <cwillu@cwillu.com>
Cc: Marc MERLIN <marc@merlins.org>,
Qu Wenruo <quwenruo@cn.fujitsu.com>,
linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 24/27] btrfs-progs: Convert man page for btrfs-zero-log
Date: Sat, 5 Apr 2014 23:02:53 +0100 [thread overview]
Message-ID: <20140405220253.GU7442@carfax.org.uk> (raw)
In-Reply-To: <CAE5mzvhTZ1bO_uoyz-ixsn29iznXRjzFkM5UfDBcFUdX0ov7RQ@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 2703 bytes --]
On Sat, Apr 05, 2014 at 04:00:27PM -0600, cwillu wrote:
> On Fri, Apr 4, 2014 at 12:46 PM, Marc MERLIN <marc@merlins.org> wrote:
> > On Wed, Apr 02, 2014 at 04:29:35PM +0800, Qu Wenruo wrote:
> >> Convert man page for btrfs-zero-log
> >>
> >> Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
> >> ---
> >> Documentation/Makefile | 2 +-
> >> Documentation/btrfs-zero-log.txt | 39 +++++++++++++++++++++++++++++++++++++++
> >> 2 files changed, 40 insertions(+), 1 deletion(-)
> >> create mode 100644 Documentation/btrfs-zero-log.txt
> >>
> >> diff --git a/Documentation/Makefile b/Documentation/Makefile
> >> index e002d53..de06629 100644
> >> --- a/Documentation/Makefile
> >> +++ b/Documentation/Makefile
> >> @@ -11,7 +11,7 @@ MAN8_TXT += btrfs-image.txt
> >> MAN8_TXT += btrfs-map-logical.txt
> >> MAN8_TXT += btrfs-show-super.txt
> >> MAN8_TXT += btrfstune.txt
> >> -#MAN8_TXT += btrfs-zero-log.txt
> >> +MAN8_TXT += btrfs-zero-log.txt
> >> #MAN8_TXT += fsck.btrfs.txt
> >> #MAN8_TXT += mkfs.btrfs.txt
> >>
> >> diff --git a/Documentation/btrfs-zero-log.txt b/Documentation/btrfs-zero-log.txt
> >> new file mode 100644
> >> index 0000000..e3041fa
> >> --- /dev/null
> >> +++ b/Documentation/btrfs-zero-log.txt
> >> @@ -0,0 +1,39 @@
> >> +btrfs-zero-log(8)
> >> +=================
> >> +
> >> +NAME
> >> +----
> >> +btrfs-zero-log - clear out log tree
> >> +
> >> +SYNOPSIS
> >> +--------
> >> +'btrfs-zero-log' <dev>
> >> +
> >> +DESCRIPTION
> >> +-----------
> >> +'btrfs-zero-log' will remove the log tree if log tree is corrupt, which will
> >> +allow you to mount the filesystem again.
> >> +
> >> +The common case where this happens has been fixed a long time ago,
> >> +so it is unlikely that you will see this particular problem.
> >
> > A note on this one: this can happen if your SSD rites things in the
> > wrong order or potentially writes garbage when power is lost, or before
> > locking up.
> > I hit this problem about 10 times and it wasn't a btrfs bug, just the
> > drive doing bad things.
>
> And -o recovery didn't work around it? My understanding is that -o
> recovery will skip reading the log.
No, I'm pretty sure we've had people with problems with the log
where -orecovery didn't help, but -oro,recovery allowed it to be
mounted, because -ro didn't try to replay the log.
Hugo.
--
=== Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk ===
PGP key: 65E74AC0 from wwwkeys.eu.pgp.net or http://www.carfax.org.uk
--- If the first-ever performance is the première, is the ---
last-ever performance the derrière?
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 811 bytes --]
next prev parent reply other threads:[~2014-04-05 22:03 UTC|newest]
Thread overview: 124+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-02 8:29 [PATCH 00/27] Replace the old man page with asciidoc and man page for each btrfs subcommand Qu Wenruo
2014-04-02 8:29 ` [PATCH 01/27] btrfs-progs: Introduce asciidoc based man page and btrfs man page Qu Wenruo
2014-04-02 8:29 ` [PATCH 02/27] btrfs-progs: Convert man page for btrfs-subvolume Qu Wenruo
2014-04-02 8:29 ` [PATCH 03/27] btrfs-progs: Convert man page for filesystem subcommand Qu Wenruo
2014-04-02 8:29 ` [PATCH 04/27] btrfs-progs: Convert man page for btrfs-balance Qu Wenruo
2014-04-02 8:29 ` [PATCH 05/27] btrfs-progs: Convert man page for btrfs-device subcommand Qu Wenruo
2014-04-02 8:29 ` [PATCH 06/27] btrfs-progs: Convert man page for btrfs-scrub Qu Wenruo
2014-04-02 8:29 ` [PATCH 07/27] btrfs-progs: Convert man page for btrfs-check Qu Wenruo
2014-04-02 8:29 ` [PATCH 08/27] btrfs-progs: Convert man page for btrfs-rescue Qu Wenruo
2014-04-02 8:29 ` [PATCH 09/27] btrfs-progs: Convert man page for btrfs-inspect-internal Qu Wenruo
2014-04-02 8:29 ` [PATCH 10/27] btrfs-progs: Convert man page for btrfs-send Qu Wenruo
2014-04-02 8:29 ` [PATCH 11/27] btrfs-progs: Convert man page for btrfs-receive Qu Wenruo
2014-04-02 8:29 ` [PATCH 12/27] btrfs-progs: Convert man page for btrfs-quota Qu Wenruo
2014-04-02 8:29 ` [PATCH 13/27] btrfs-progs: Convert and enhance the man page of btrfs-qgroup Qu Wenruo
2014-04-02 8:29 ` [PATCH 14/27] btrfs-progs: Convert man page for btrfs-replace Qu Wenruo
2014-04-04 20:29 ` Marc MERLIN
2014-04-08 1:20 ` Qu Wenruo
2014-04-02 8:29 ` [PATCH 15/27] btrfs-progs: Convert man page for btrfs-dedup Qu Wenruo
2014-04-02 8:29 ` [PATCH 16/27] btrfs-progs: Convert man page for btrfsck Qu Wenruo
2014-04-02 8:29 ` [PATCH 17/27] btrfs-progs: Convert man page for btrfs-convert Qu Wenruo
2014-04-02 8:29 ` [PATCH 18/27] btrfs-progs: Convert man page for btrfs-debug-tree Qu Wenruo
2014-04-02 8:29 ` [PATCH 19/27] btrfs-progs: Convert man page for btrfs-find-root Qu Wenruo
2014-04-02 8:29 ` [PATCH 20/27] btrfs-progs: Convert man page for btrfs-image Qu Wenruo
2014-04-02 8:29 ` [PATCH 21/27] btrfs-progs: Convert man page for btrfs-map-logical Qu Wenruo
2014-04-02 8:29 ` [PATCH 22/27] btrfs-progs: Convert man page for btrfs-show-super Qu Wenruo
2014-04-02 8:29 ` [PATCH 23/27] btrfs-progs: Convert man page for btrfstune Qu Wenruo
2014-04-02 8:29 ` [PATCH 24/27] btrfs-progs: Convert man page for btrfs-zero-log Qu Wenruo
2014-04-04 18:46 ` Marc MERLIN
2014-04-05 22:00 ` cwillu
2014-04-05 22:02 ` Marc MERLIN
2014-04-05 22:03 ` Hugo Mills
2014-04-05 22:21 ` Marc MERLIN
2014-04-05 22:05 ` Marc MERLIN
2014-04-05 22:02 ` Hugo Mills [this message]
2014-04-08 1:42 ` Qu Wenruo
2014-04-11 5:54 ` Marc MERLIN
2014-04-02 8:29 ` [PATCH 25/27] btrfs-progs: Convert man page for fsck.btrfs Qu Wenruo
2014-04-02 8:29 ` [PATCH 26/27] btrfs-progs: Convert man page for mkfs.btrfs Qu Wenruo
2014-04-02 8:29 ` [PATCH 27/27] btrfs-progs: Switch to the new asciidoc Documentation Qu Wenruo
2014-04-02 13:24 ` [PATCH 00/27] Replace the old man page with asciidoc and man page for each btrfs subcommand Chris Mason
2014-04-02 14:47 ` Marc MERLIN
2014-04-03 20:33 ` Zach Brown
2014-04-02 17:29 ` David Sterba
2014-04-16 17:12 ` David Sterba
2014-04-16 17:16 ` [PATCH] btrfs-progs: doc: link btrfsck to btrfs-check David Sterba
2014-04-17 0:47 ` Qu Wenruo
2014-04-18 14:48 ` David Sterba
2014-04-30 12:14 ` WorMzy Tykashi
2014-05-05 14:57 ` David Sterba
2014-05-08 1:40 ` Qu Wenruo
2014-05-12 14:09 ` David Sterba
2014-06-03 9:38 ` WorMzy Tykashi
2014-06-03 12:19 ` David Sterba
2014-05-17 17:43 ` [PATCH 00/27] Replace the old man page with asciidoc and man page for each btrfs subcommand Hugo Mills
2014-05-17 18:22 ` Hugo Mills
2014-05-18 7:04 ` Qu Wenruo
2014-05-18 12:05 ` Hugo Mills
2014-05-18 16:02 ` Brendan Hide
2014-05-19 0:35 ` Qu Wenruo
2014-05-18 6:51 ` Qu Wenruo
2014-05-18 10:10 ` Hugo Mills
2014-05-19 13:02 ` Chris Mason
2014-05-19 14:01 ` David Sterba
2014-05-19 14:33 ` David Sterba
2014-05-20 0:34 ` Qu Wenruo
2014-05-20 11:08 ` David Sterba
2014-04-07 16:05 btrfs on 3.14rc5 stuck on "btrfs_tree_read_lock sync" Marc MERLIN
2014-04-07 16:10 ` Josef Bacik
2014-04-07 18:51 ` Marc MERLIN
2014-04-07 19:32 ` Chris Mason
2014-04-07 20:00 ` Marc MERLIN
2014-04-09 17:38 ` Marc MERLIN
2014-03-25 1:49 ` How to debug very very slow file delete? Marc MERLIN
2014-03-25 12:13 ` How to debug very very slow file delete? (btrfs on md-raid5) Martin
2014-03-25 13:57 ` Xavier Nicollet
2014-03-25 16:41 ` Marc MERLIN
2014-04-10 17:07 ` How to debug very very slow file delete? (btrfs on md-raid5 with many files, 70GB metadata) Marc MERLIN
2014-04-11 14:15 ` How to debug very very slow file delete? (btrfs on md-raid5) Chris Samuel
2014-04-11 17:23 ` Marc MERLIN
2014-04-11 18:00 ` Duncan
2014-04-11 19:15 ` Roman Mamedov
2014-04-12 20:25 ` very slow btrfs filesystem: any data needed before I wipe it? Marc MERLIN
2014-04-13 4:02 ` Duncan
2014-04-14 1:43 ` Marc MERLIN
2014-04-14 10:28 ` Duncan
2014-04-16 22:35 ` Marc MERLIN
2014-04-13 14:57 ` Marc MERLIN
2014-04-13 16:59 ` what does your btrfsck look like? Marc MERLIN
2014-04-14 2:15 ` How to debug very very slow file delete? Liu Bo
2014-04-14 2:21 ` Liu Bo
2014-06-09 23:40 ` btrfs balance crash BUG ON fs/btrfs/relocation.c:1062 or RIP build_backref_tree+0x9fc/0xcc4 Marc MERLIN
2014-06-10 0:32 ` Russell Coker
2014-06-10 4:58 ` Marc MERLIN
2014-06-14 16:21 ` Marc MERLIN
2014-06-17 18:29 ` Josef Bacik
2014-06-17 18:55 ` Marc MERLIN
2014-06-18 15:26 ` Josef Bacik
2014-06-18 20:21 ` Marc MERLIN
2014-06-19 16:12 ` Josef Bacik
2014-06-19 22:25 ` Marc MERLIN
2014-06-19 22:50 ` Josef Bacik
2014-06-20 0:53 ` Marc MERLIN
2014-06-20 15:40 ` Josef Bacik
2014-06-25 19:40 ` Marc MERLIN
2014-06-25 21:05 ` Josef Bacik
2015-05-05 21:02 ` 3.19.6: __btrfs_free_extent:5987: errno=-2 No such entry, did btrfs check --repair break it? Marc MERLIN
2015-05-06 11:04 ` Duncan
2015-05-06 17:25 ` Chris Murphy
2015-05-07 3:15 ` Duncan
2015-05-06 17:49 ` Marc MERLIN
2014-09-03 17:42 kernel BUG at fs/btrfs/extent-tree.c:7727! with 3.17-rc3 Tomasz Chmielewski
2014-09-03 12:04 ` kernel BUG at fs/btrfs/relocation.c:1065 in 3.14.16 to 3.17-rc3 Olivier Bonvalet
2014-09-29 14:13 ` Liu Bo
[not found] ` <20140824000720.GN3875@merlins.org>
[not found] ` <20140926214821.GX13219@merlins.org>
[not found] ` <20150502141102.GB1809@merlins.org>
[not found] ` <20150501210013.GH13624@merlins.org>
2015-04-29 23:21 ` 3.19.3, btrfs send/receive error: failed to clone extents Marc MERLIN
2015-05-02 16:30 ` 3.19.3: check tree block failed + WARNING: device 0 not present on scrub Marc MERLIN
2015-05-02 16:50 ` Christian Dysthe
2015-05-02 17:05 ` Marc MERLIN
2015-05-02 17:20 ` Christian Dysthe
2015-05-02 17:29 ` Marc MERLIN
2015-05-02 18:56 ` Christian Dysthe
2015-05-05 6:32 ` Marc MERLIN
2015-05-05 19:56 ` 3.19.6: __btrfs_free_extent:5987: errno=-2 No such entry Marc MERLIN
2014-09-08 18:04 ` kernel BUG at fs/btrfs/extent-tree.c:7727! with 3.17-rc3 Tomasz Chmielewski
2014-10-04 1:19 ` Tomasz Chmielewski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140405220253.GU7442@carfax.org.uk \
--to=hugo@carfax.org.uk \
--cc=cwillu@cwillu.com \
--cc=linux-btrfs@vger.kernel.org \
--cc=marc@merlins.org \
--cc=quwenruo@cn.fujitsu.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).