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Re: performance over multiple disks

To: James Rich <james@xxxxxxxxxxxxx>
Subject: Re: performance over multiple disks
From: Chris Wedgwood <cw@xxxxxxxx>
Date: Thu, 31 Oct 2002 10:16:42 -0800
Cc: XFS mailing list <linux-xfs@xxxxxxxxxxx>
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On Thu, Oct 31, 2002 at 10:49:47AM -0700, James Rich wrote:

> Suppose you have a 6 megabyte file stored on disk.  Would it be read
> faster if it were stored contiguously on a single disk or spread
> over multiple (say 4) disks?

It depends.... but usually data over multiple disks reads faster,
sometimes n-times the speed of a single disk (but not always).


  --cw


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