Date: Wed, 15 Sep 1999 17:55:03 -0700 (MST) From: "Chad R. Larson" <chad@DCFinc.com> To: adrian@ubergeeks.com Cc: blk@skynet.be, freebsd-stable@FreeBSD.ORG Subject: Re: Vinum performance testing... Message-ID: <199909160055.RAA12030@freeway.dcfinc.com> In-Reply-To: <Pine.BSF.3.96.990915162833.461B-100000@lorax.ubergeeks.com> from Adrian Filipi-Martin at "Sep 15, 99 04:33:13 pm"
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As I recall, Adrian Filipi-Martin wrote: > This is in line with what I would expect for RAID 0 and 1. CPU > usage just makes the I/O performance measurements more compelling. CPU > will also be more interesting when it comes to measuring the RAID 5 > performance later. And you'd particularly want to check CPU on the RAID 5 with a disc down. Life is worst when you have to do the pre-reads to be able to calculate the XORs when writing and reading a 4 plex that just used to be a 5 plex. Load and response during catchup would also be a useful data point. -crl -- Chad R. Larson (CRL15) 602-953-1392 Brother, can you paradigm? chad@dcfinc.com chad@larsons.org larson1@home.net DCF, Inc. - 14623 North 49th Place, Scottsdale, Arizona 85254-2207 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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