Date: Sat, 12 Jul 2003 01:13:06 -0700 From: "Mike Maltese" <mike@pcmedx.com> To: "Greg 'groggy' Lehey" <grog@FreeBSD.org> Cc: freebsd-questions@freebsd.org Subject: Re: vinum and hot-swapping Message-ID: <008201c3484d$6c817150$f9f0a8c0@pcmedx.com> References: <000e01c34830$6e543bb0$f9f0a8c0@pcmedx.com><20030712045247.GL24420@wantadilla.lemis.com><001b01c34835$6cc93ca0$f9f0a8c0@pcmedx.com> <20030712074329.GO24420@wantadilla.lemis.com>
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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
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