From: Marc MERLIN <marc@merlins.org>
To: Liu Bo <bo.li.liu@oracle.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: btrfs check --repair is clean, but mount fails
Date: Sat, 27 Feb 2016 17:04:36 -0800 [thread overview]
Message-ID: <20160228010436.GQ19699@merlins.org> (raw)
In-Reply-To: <20160227180606.GA27358@localhost.localdomain>
On Sat, Feb 27, 2016 at 10:06:06AM -0800, Liu Bo wrote:
> Can you grep this message since btrfs dev scan has a "printf("Scanning for Btrfs filesystems\n");"?
> And if a scan failed somehow, it may print an error after this message
> and we then know what was happening..
I'm not seeing anything in my console boot log outside of this posted in
my previous message:
Fri Feb 26 14:55:17 2016: raid0d1 (started)...raid0d2 (starting)...
Fri Feb 26 14:55:18 2016: raid0d2 (started)...done.
> > I'm looking at my boot:
> > [ 112.063677] BTRFS: device label btrfs_space devid 1 transid 776782 /dev/mapper/raid0d1
> > [ 112.090192] BTRFS info (device dm-6): disk space caching is enabled
> > [ 112.111740] BTRFS: failed to read the system array on dm-6
> > [ 112.160047] BTRFS: open_ctree failed
> > [ 112.269710] BTRFS info (device dm-6): disk space caching is enabled
> > [ 112.291430] BTRFS: failed to read the system array on dm-6
> > [ 112.320104] BTRFS: open_ctree failed
> >
> > So dm-6 is: raid0d1 -> ../dm-6
btrfs dev scan didn't output any messages from what I can tell, outside
of the dmesg stuff here.
The total messages around that time:
[ 110.182362] bcache: bch_journal_replay() journal replay done, 92 keys in 6 entries, seq 8855
[ 110.208992] bcache: register_cache() registered cache device dm-4
[ 110.236345] bcache: register_bdev() registered backing device dm-1
[ 110.316129] bcache: bch_cached_dev_attach() Caching dm-1 as bcache1 on set 0226553a-37cf-41d5-b3ce-8b1e944543a8
[ 110.348350] bcache: register_bcache() error opening /dev/md5: device already registered
[ 110.445200] Adding 15616764k swap on /dev/mapper/eswap1. Priority:-1 extents:1 across:15616764k FS
[ 111.585812] EXT4-fs (md11): mounted filesystem with ordered data mode. Opts: (null)
[ 112.063677] BTRFS: device label btrfs_space devid 1 transid 776782 /dev/mapper/raid0d1
[ 112.090192] BTRFS info (device dm-6): disk space caching is enabled
[ 112.111740] BTRFS: failed to read the system array on dm-6
[ 112.160047] BTRFS: open_ctree failed
[ 112.269710] BTRFS info (device dm-6): disk space caching is enabled
[ 112.291430] BTRFS: failed to read the system array on dm-6
[ 112.320104] BTRFS: open_ctree failed
[ 112.332567] BTRFS: device label dshelf1 devid 1 transid 25903 /dev/bcache1
[ 112.333076] BTRFS info (device bcache1): disk space caching is enabled
[ 112.333077] BTRFS: has skinny extents
[ 115.185582] BTRFS: detected SSD devices, enabling SSD mode
[ 115.216381] BTRFS: device label dshelf2 devid 1 transid 444834 /dev/mapper/dshelf2
[ 115.241607] BTRFS info (device dm-2): disk space caching is enabled
[ 115.591923] BTRFS info (device dm-2): bdev /dev/mapper/dshelf2 errs: wr 0, rd 0, flush 0, corrupt 65, gen 0
Marc
--
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
.... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/ | PGP 1024R/763BE901
next prev parent reply other threads:[~2016-02-28 1:04 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-27 2:39 btrfs check --repair is clean, but mount fails Marc MERLIN
2016-02-27 2:45 ` Liu Bo
2016-02-27 3:03 ` Marc MERLIN
2016-02-27 18:06 ` Liu Bo
2016-02-28 1:04 ` Marc MERLIN [this message]
2016-02-27 22:58 ` Anand Jain
2016-02-28 0:56 ` Marc MERLIN
2016-02-28 1:44 ` Anand Jain
2016-02-28 3:09 ` Marc MERLIN
2016-02-28 6:49 ` Duncan
2016-02-28 13:56 ` Marc MERLIN
2016-02-28 5:17 ` Marc MERLIN
2016-02-28 6:11 ` Anand Jain
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