From: Paul Jones <paul@pauljones.id.au>
To: Christian <cdysthe@gmail.com>,
"linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: RE: trim not working and irreparable errors from btrfsck
Date: Thu, 18 Jun 2015 02:20:20 +0000 [thread overview]
Message-ID: <B7F2379062E32745A8651FBDB20F64595D40C1BD@Server.waterlogic.com.au> (raw)
In-Reply-To: <mls0gb$s7m$1@ger.gmane.org>
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> -----Original Message-----
> From: linux-btrfs-owner@vger.kernel.org [mailto:linux-btrfs-
> owner@vger.kernel.org] On Behalf Of Christian
> Sent: Thursday, 18 June 2015 12:34 AM
> To: linux-btrfs@vger.kernel.org
> Subject: Re: trim not working and irreparable errors from btrfsck
>
> On 06/17/2015 10:22 AM, Chris Murphy wrote:
> > On Wed, Jun 17, 2015 at 6:56 AM, Christian Dysthe <cdysthe@gmail.com>
> wrote:
> >> Hi,
> >>
> >> Sorry for asking more about this. I'm not a developer but trying to learn.
> >> In my case I get several errors like this one:
> >>
> >> root 2625 inode 353819 errors 400, nbytes wrong
> >>
> >> Is it inode 353819 I should focus on and what is the number after
> >> "root", in this case 2625?
> >
> > I'm going to guess it's tree root 2625, which is the same thing as fs
> > tree, which is the same thing as subvolume. Each subvolume has its own
> > inodes. So on a given Btrfs volume, an inode number can exist more
> > than once, but in separate subvolumes. When you use btrfs inspect
> > inode it will list all files with that inode number, but only the one
> > in subvol ID 2625 is what you care about deleting and replacing.
> >
> Thanks! Deleting the file for that inode took care of it. No more errors.
> Restored it from a backup.
>
> However, fstrim still gives me "0 B (0 bytes) trimmed, so that may be another
> problem. Is there a way to check if trim works?
I've got the same problem. I've got 2 SSDs with 2 partitions in RAID1, fstrim always works on the 2nd partition but not the first. There are no errors on either filesystem that I know of, but the first one is root so I can't take it offline to run btrfs check.
Paul.
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next prev parent reply other threads:[~2015-06-18 2:40 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-16 14:18 trim not working and irreparable errors from btrfsck Christian
2015-06-16 21:14 ` Chris Murphy
[not found] ` <55816E7B.5040905@gmail.com>
2015-06-17 14:22 ` Chris Murphy
2015-06-17 14:33 ` Christian
2015-06-17 15:28 ` Chris Murphy
2015-06-17 15:40 ` Christian
2015-06-17 17:17 ` Austin S Hemmelgarn
2015-06-18 5:25 ` Duncan
2015-08-14 15:11 ` Jeff Mahoney
2015-06-20 14:11 ` Lutz Euler
2015-06-21 7:21 ` Paul Jones
2015-08-13 9:23 ` Marc Joliet
2015-08-13 23:14 ` Chris Murphy
2015-08-14 8:05 ` Marc Joliet
2015-08-14 8:15 ` Marc Joliet
2015-08-14 10:51 ` Paul Jones
2015-06-18 2:20 ` Paul Jones [this message]
2015-06-18 4:15 ` Chris Murphy
2015-06-18 4:19 ` Chris Murphy
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