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Date: Mon, 20 Jun 2005 11:36:32 +0100
From: Alex Zbyslaw <xfb52@dial.pipex.com>
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To: Ted Mittelstaedt <tedm@toybox.placo.com>
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Cc: Sandy Rutherford <sandy@krvarr.bc.ca>, freebsd-questions@freebsd.org
Subject: Re: Yet another RAID Question (YARQ)
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Ted Mittelstaedt wrote:

>>Sandy
>>Rutherford
>>Sent: Sunday, June 19, 2005 10:52 PM
>>    
>>
>>In order to boost read performance, a RAID card should interleave
>>reading from a RAID-1 volume by reading alternately from one drive and
>>then the other.  You can see this in alternate blinking of the
>>activity lights of the drives.  If you are not seeing this when
>>copying a large file, then this would suggest that a RAID-1 volume is
>>not working as it should.
>>
>>    
>>
>
>Incorrect.  What you are describing is RAID-0.  RAID-1 is mirroring.
>Here's
>  
>
I don't think you read the message correctly.  It said that *reads* were 
interleaved not that the *data* was interleaved.

--Alex