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From: "Mike Maltese" <mike@pcmedx.com>
To: "Greg 'groggy' Lehey" <grog@FreeBSD.org>
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cc: freebsd-questions@freebsd.org
Subject: Re: vinum and hot-swapping
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>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.

I'm was aware of the performance penalties that go along with RAID-5, but I
was under the impression that calculating the parity data put quite a load
on the CPU, so this is good news indeed. Thanks for your help!!

----- Original Message ----- 
From: "Greg 'groggy' Lehey" <grog@FreeBSD.org>
To: "Mike Maltese" <mike@pcmedx.com>
Cc: <freebsd-questions@freebsd.org>
Sent: Saturday, July 12, 2003 12:43 AM
Subject: Re: vinum and hot-swapping