Yet another RAID Question (YARQ)

Alex Zbyslaw xfb52 at
Mon Jun 20 10:36:38 GMT 2005

Ted Mittelstaedt wrote:

>>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.
I don't think you read the message correctly.  It said that *reads* were 
interleaved not that the *data* was interleaved.


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