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From: Holger Mauermann <mauermann@gmail.com>
To: "Keld Jørn Simonsen" <keld@dkuug.dk>
Cc: linux-raid@vger.kernel.org
Subject: Re: LVM on raid10,f2 performance issues
Date: Wed, 03 Dec 2008 00:28:51 +0100	[thread overview]
Message-ID: <4935C4B3.2060404@gmail.com> (raw)
In-Reply-To: <20081201164244.GB23899@rap.rap.dk>

Keld Jørn Simonsen schrieb:
> How is it if you use the raid10,f2 without lvm?
> What are the numbers?

After a fresh installation LVM performance is now somewhat better. I
don't know what was wrong before. However, it is still not as fast as
the raid10...

dd on raw devices
-----------------

raid10,f2:
  read : 409 MB/s
  write: 212 MB/s

raid10,f2 + lvm:
  read : 249 MB/s
  write: 158 MB/s


Holger
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  reply	other threads:[~2008-12-02 23:28 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-01  0:00 LVM on raid10,f2 performance issues Holger Mauermann
2008-12-01 16:42 ` Keld Jørn Simonsen
2008-12-02 23:28   ` Holger Mauermann [this message]
2008-12-03  7:15     ` Keld Jørn Simonsen
2008-12-03  9:43     ` Michal Soltys
2009-01-19  1:24       ` thomas62186218
2009-01-19  7:28         ` Peter Rabbitson
2009-01-26 19:06           ` Bill Davidsen
2009-01-19  7:30         ` Michal Soltys
2009-01-19 12:17         ` Keld Jørn Simonsen
2009-01-19 12:24           ` Peter Rabbitson
2009-01-19 13:59             ` Keld Jørn Simonsen

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