** Reply to note from "Greg 'groggy' Lehey" <[EMAIL PROTECTED]> Sat, 12 Jul 2003 
17:13:29 +0930

> The real performance penalty for RAID-5 is simply that writes require 
> so much I/O.  Expect 25% of the write performance of RAID-0.

Ok, I must ask this:
Shouldn't SCSI system allow paralell writes on different disks?
If so, why so much penalty?


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