vinum and hot-swapping

[Andrea Venturoli]

** Reply to note from "Greg 'groggy' Lehey" <grog at freebsd.org> 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?

 bye
        av.