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Date:      Mon, 24 Sep 2012 15:17:11 +0100
From:      Bob Bishop <rb@gid.co.uk>
To:        Pawel Jakub Dawidek <pjd@freebsd.org>
Cc:        freebsd-fs@freebsd.org, freebsd-current@freebsd.org
Subject:   Re: ZFS TRIM support committed to HEAD.
Message-ID:  <D637D49E-27B3-4169-BC27-D5A7409040B9@gid.co.uk>
In-Reply-To: <20120923222520.GS1454@garage.freebsd.pl>
References:  <20120923195357.GO1454@garage.freebsd.pl> <1735E492-3C3C-491A-82E2-884E976B4BC4@gid.co.uk> <20120923222520.GS1454@garage.freebsd.pl>

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Hi,

On 23 Sep 2012, at 23:25, Pawel Jakub Dawidek wrote:

> I have a patch against stable/8, but not stable/9:
> 
> 	http://people.freebsd.org/~pjd/patches/zfstrim8.patch

Running with that in an otherwise 8-STABLE GENERIC amd64 kernel, I'm getting:

kstat.zfs.misc.zio_trim.zio_trim_bytes: 0
kstat.zfs.misc.zio_trim.zio_trim_success: 0
kstat.zfs.misc.zio_trim.zio_trim_unsupported: 0
kstat.zfs.misc.zio_trim.zio_trim_failed: 2742

which doesn't look like it's working. The SSDs are:

ad4: 114473MB <ADATA SSD S510 120GB 3.3.2> at ata2-master UDMA100 SATA 3Gb/s
ad6: 114473MB <ADATA SSD S510 120GB 3.3.2> at ata3-master UDMA100 SATA 3Gb/s

Any suggestions? Thanks

--
Bob Bishop
rb@gid.co.uk







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