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Date:      Tue, 25 Sep 2012 07:40:23 +0200
From:      Pawel Jakub Dawidek <pjd@FreeBSD.org>
To:        Bob Bishop <rb@gid.co.uk>
Cc:        freebsd-fs@freebsd.org, freebsd-current@freebsd.org
Subject:   Re: ZFS TRIM support committed to HEAD.
Message-ID:  <20120925054023.GK1413@garage.freebsd.pl>
In-Reply-To: <48D1FE59-C687-4D95-B4BF-7BC85F8B8F0A@gid.co.uk>
References:  <20120923195357.GO1454@garage.freebsd.pl> <1735E492-3C3C-491A-82E2-884E976B4BC4@gid.co.uk> <20120923222520.GS1454@garage.freebsd.pl> <D637D49E-27B3-4169-BC27-D5A7409040B9@gid.co.uk> <20CC6F2BF08D47ED802318697542A15D@multiplay.co.uk> <2EC5B55F-E969-4663-A753-1115D96F125C@gid.co.uk> <48D1FE59-C687-4D95-B4BF-7BC85F8B8F0A@gid.co.uk>

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On Tue, Sep 25, 2012 at 12:14:24AM +0100, Bob Bishop wrote:
> Hi,
>=20
> Still seems to be working OK, but:
>=20
> seagoon# zpool status
>   pool: m1
>  state: ONLINE
> status: One or more devices has experienced an unrecoverable error.  An
> 	attempt was made to correct the error.  Applications are unaffected.
> action: Determine if the device needs to be replaced, and clear the errors
> 	using 'zpool clear' or replace the device with 'zpool replace'.
>    see: http://www.sun.com/msg/ZFS-8000-9P
>   scan: scrub repaired 0 in 0h2m with 0 errors on Mon Sep 24 23:52:08 2012
> config:
>=20
> 	NAME           STATE     READ WRITE CKSUM
> 	m1             ONLINE       0     0     0
> 	  mirror-0     ONLINE       0     0     0
> 	    gpt/disk1  ONLINE    109M     0     0
> 	    gpt/disk0  ONLINE    109M     0     0
>=20
> errors: No known data errors
> seagoon# sysctl -a |grep _trim
> kstat.zfs.misc.zio_trim.zio_trim_bytes: 228731904
> kstat.zfs.misc.zio_trim.zio_trim_success: 19406
> kstat.zfs.misc.zio_trim.zio_trim_unsupported: 0
> kstat.zfs.misc.zio_trim.zio_trim_failed: 0
> seagoon#=20
>=20
> No device errors logged in messages, and scrub comes up clean as you can =
see. The read error count is increasing, but otherwise everything appears t=
o work OK.

Are you sure your world and kernel are in sync? I remember seeing
similar problem when my userland was updated.

--=20
Pawel Jakub Dawidek                       http://www.wheelsystems.com
FreeBSD committer                         http://www.FreeBSD.org
Am I Evil? Yes, I Am!                     http://tupytaj.pl

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