Date: Thu, 17 Feb 2000 13:36:49 -0800 From: Mike Smith <msmith@freebsd.org> To: Brad Knowles <blk@skynet.be> Cc: Clifton Royston <cliftonr@lava.net>, Tom <tom@uniserve.com>, freebsd-stable@FreeBSD.ORG Subject: Re: Initial performance testing w/ postmark & softupdates... Message-ID: <200002172136.NAA01506@mass.cdrom.com> In-Reply-To: Your message of "Thu, 17 Feb 2000 22:03:47 %2B0100." <v0422082fb4d211025741@[195.238.1.121]>
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> However, while software RAID-5 may or may not be rock-solid under > vinum, I believe that you could implement it with high-end Mylex, > AMI, or DPT controllers and so long as the arrays are configured > along the lines that Joe lays out and the controllers have enough > battery-backed write-back cache, then you ought to be able to make > RAID-5 work well enough for you. I'm not at all convinced that any of these controllers (yet) have the throughput to compete with a well-loaded software-RAID system. It's very hard to argue with the compute and data-moving power of a small pile of GHz-class processors, and very hard to put that much power on an add-in card. -- \\ Give a man a fish, and you feed him for a day. \\ Mike Smith \\ Tell him he should learn how to fish himself, \\ msmith@freebsd.org \\ and he'll hate you for a lifetime. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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