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Date:      Tue, 25 Sep 2012 10:31:57 +0100
From:      Bob Bishop <rb@gid.co.uk>
To:        Pawel Jakub Dawidek <pjd@freebsd.org>
Cc:        freebsd-fs@freebsd.org, freebsd-current@freebsd.org, Steven Hartland <killing@multiplay.co.uk>
Subject:   Re: ZFS TRIM support committed to HEAD.
Message-ID:  <363B4492-ADD1-42F1-80DA-BC9DAD21EBA2@gid.co.uk>
In-Reply-To: <20120925054023.GK1413@garage.freebsd.pl>
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> <20120925054023.GK1413@garage.freebsd.pl>

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On 25 Sep 2012, at 06:40, Pawel Jakub Dawidek wrote:

> 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 to work OK.
>=20
> Are you sure your world and kernel are in sync? I remember seeing
> similar problem when my userland was updated.

I'm sure they are not. Buildworld time...

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

--
Bob Bishop
rb@gid.co.uk







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