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From: Nikolay Denev <ndenev@gmail.com>
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Date: Wed, 23 Jan 2013 23:52:21 +0200
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To: Mark Felder <feld@feld.me>
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Cc: freebsd-fs@freebsd.org, Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>,
 Chris Rees <utisoft@gmail.com>, freebsd-hackers@freebsd.org
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On Jan 23, 2013, at 11:09 PM, Mark Felder <feld@feld.me> wrote:

> On Wed, 23 Jan 2013 14:26:43 -0600, Chris Rees <utisoft@gmail.com> =
wrote:
>=20
>>=20
>> So we have to take your word for it?
>> Provide a link if you're going to make assertions, or they're no more =
than
>> your own opinion.
>=20
> I've heard this same thing -- every vdev =3D=3D 1 drive in =
performance. I've never seen any proof/papers on it though.
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Here is a blog post that describes why this is true for IOPS:

=
http://constantin.glez.de/blog/2010/04/ten-ways-easily-improve-oracle-sola=
ris-zfs-filesystem-performance