From owner-freebsd-questions Mon Oct 2 20:33:36 1995 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.6.12/8.6.6) id UAA02868 for questions-outgoing; Mon, 2 Oct 1995 20:33:36 -0700 Received: from aslan.cdrom.com (aslan.cdrom.com [192.216.223.142]) by freefall.freebsd.org (8.6.12/8.6.6) with ESMTP id UAA02859 for ; Mon, 2 Oct 1995 20:33:32 -0700 Received: from localhost.cdrom.com (localhost.cdrom.com [127.0.0.1]) by aslan.cdrom.com (8.6.12/8.6.9) with SMTP id UAA07368; Mon, 2 Oct 1995 20:32:55 -0700 Message-Id: <199510030332.UAA07368@aslan.cdrom.com> X-Authentication-Warning: aslan.cdrom.com: Host localhost.cdrom.com didn't use HELO protocol To: Terry Lambert cc: gibbs@freefall.FreeBSD.org (Justin T. Gibbs), rsnow@txdirect.net, nc@ai.net, questions@freebsd.org Subject: Re: RAID solutions for FreeBSD In-reply-to: Your message of "Mon, 02 Oct 1995 20:23:11 PDT." <199510030323.UAA00415@phaeton.artisoft.com> Date: Mon, 02 Oct 1995 20:32:55 -0700 From: "Justin T. Gibbs" Sender: owner-questions@freebsd.org Precedence: bulk >I *know* that 1-3 can be done without sequencer level coding. I suspect >that 4-5 can be too, albiet at a *very* high cost in processing time. > >Check out the ZEBRA FS papers (RAID II). I read it last year. It would be a total waste to do the parity calculations on the host processor when the card will do this for you (assuming I can get docs). > Terry Lambert > terry@lambert.org >--- >Any opinions in this posting are my own and not those of my present >or previous employers. -- Justin T. Gibbs =========================================== Software Developer - Walnut Creek CDROM FreeBSD: Turning PCs into workstations ===========================================