From: Stephan van Hienen <raid@a2000.nu>
To: Ezra Nugroho <ezran@goshen.edu>
Cc: linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org
Subject: Re: RAID 5 performance problems
Date: Thu, 3 Apr 2003 23:25:16 +0200 (CEST) [thread overview]
Message-ID: <Pine.LNX.4.53.0304032323580.6681@ddx.a2000.nu> (raw)
In-Reply-To: <1049403752.22426.5146.camel@ezran.goshen.edu>
On Thu, 3 Apr 2003, Ezra Nugroho wrote:
> What should I expect from a 8 drive raid 5 on 3ware 7500-8?
> I get only
> /dev/sda:
> Timing buffer-cache reads: 128 MB in 0.74 seconds =172.97 MB/sec
> Timing buffered disk reads: 64 MB in 1.55 seconds = 41.29 MB/sec
>
> which seems to be slow compared to the numbers above
I think you should look at the '3ware bad write speed' thread on
linux-raid
looks like you are running in 3ware raid mode ?
next prev parent reply other threads:[~2003-04-03 21:13 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-03 15:45 Jonathan Vardy
2003-04-03 18:05 ` Peter L. Ashford
2003-04-03 18:47 ` Ross Vandegrift
2003-04-03 19:22 ` Stephan van Hienen
2003-04-03 19:20 ` Stephan van Hienen
2003-04-03 19:28 ` Alan Cox
2003-04-03 21:02 ` Ezra Nugroho
2003-04-03 21:25 ` Stephan van Hienen [this message]
2003-04-03 21:38 ` Peter L. Ashford
2003-04-03 22:09 ` Jonathan Vardy
2003-04-03 22:16 ` Jonathan Vardy
2003-04-03 22:28 ` Peter L. Ashford
2003-04-03 21:42 ` Jonathan Vardy
2003-04-03 22:13 ` Peter L. Ashford
2003-04-04 20:39 ` H. Peter Anvin
2003-04-03 21:06 ` Felipe Alfaro Solana
2003-04-03 21:14 ` Jonathan Vardy
2003-04-03 19:13 Neil Schemenauer
2003-04-03 19:49 Andy Arvai
2003-04-03 20:25 ` Mike Dresser
2003-04-03 21:10 ` Jonathan Vardy
2003-04-03 21:31 ` Ezra Nugroho
2003-04-03 20:10 Chuck Ebbert
2003-04-04 11:44 Jonathan Vardy
2003-04-04 14:39 ` Ezra Nugroho
2003-04-04 15:05 Jonathan Vardy
2003-04-04 16:01 Jonathan Vardy
2003-04-05 0:10 ` Jonathan Vardy
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