From: KELEMEN Peter <Peter.Kelemen@cern.ch>
To: linux-raid@vger.kernel.org
Subject: Re: Slow reconstruction
Date: Wed, 29 Jun 2005 19:49:43 +0200 [thread overview]
Message-ID: <20050629174943.GA6431@inara.maison.net> (raw)
In-Reply-To: <1120066268.21458.252.camel@volt>
* John Rowe (rowe@excc.ex.ac.uk) [20050629 18:31]:
> Timing buffered disk reads: 64 MB in 3.13 seconds = 20.45 MB/sec
> Timing buffered disk reads: 64 MB in 3.85 seconds = 16.62 MB/sec
> Timing buffered disk reads: 64 MB in 4.31 seconds = 14.85 MB/sec
> Timing buffered disk reads: 64 MB in 4.79 seconds = 13.36 MB/sec
> Timing buffered disk reads: 64 MB in 2.73 seconds = 23.44 MB/sec
> Timing buffered disk reads: 64 MB in 2.72 seconds = 23.53 MB/sec
These are very low values. A modern 250G drive should exceed
50MB/sec. What kind of IDE controller do you use?
Peter
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next prev parent reply other threads:[~2005-06-29 17:49 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-29 16:10 Slow reconstruction John Rowe
2005-06-29 16:40 ` Mike Hardy
2005-06-29 17:31 ` John Rowe
2005-06-29 17:46 ` seth vidal
2005-06-29 17:49 ` John Rowe
2005-06-29 17:49 ` KELEMEN Peter [this message]
2005-06-29 17:52 ` John Rowe
2005-06-29 18:00 ` KELEMEN Peter
2005-06-29 17:54 ` Tyler
2005-06-29 17:32 ` seth vidal
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