Date: Sun, 22 Feb 1998 00:01:03 -0800 (PST) From: Jan Koum <jkb@best.com> To: Greg Lehey <grog@lemis.com> Cc: Brad <blisowes@cgocable.net>, freebsd-questions@FreeBSD.ORG Subject: Re: How can I mirror a FreeBSD hard drive? Message-ID: <Pine.BSF.3.96.980222000044.9341I-100000@shell6.ba.best.com> In-Reply-To: <19980219135057.02353@freebie.lemis.com>
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On Thu, 19 Feb 1998, Greg Lehey wrote: >On Wed, 18 February 1998 at 20:51:15 -0500, Brad wrote: >> >> To Whom It May Concern, >> >> I have a full, working, beautiful install of FreeBSD. It is now time for >> it to go on the Internet. However, there is one thing that I still would >> like to do. This machine has 2 hard drives in it. The first drive is the >> whole FreeBSD install. The second drive is totally unused. I would like >> to mirror the FreeBSD drive to the unused drive so that in the event of a >> crash, I can just switch the jumpers and the backup drive becomes the >> master, bootable FreeBSD drive and things carry on as normal. > >Well, the only way you can currently do this is with the ccd driver. >It's not as simple as it sounds, though: > >1. You can't mirror the root file system. >2. If one of your drives goes down, you need to reboot and > reconfigure to use the other one. Could you use 'dd' though? -- Yan > >I'm working on a replacement which will solve problem (2) (and a whole >lot of other stuff), but it'll be a while before problem (1) is fixed. > >> I am still getting used to working in UNIX. I am slowing >> transforming myself from a Windows person to a UNIX guy. So, if you >> find the time to help me out, please be very specific in your >> instructions with some explanation if possible. I appreciate any >> help you can throw this way. > >Welcome! I'm afraid my answers *aren't* as specific as you'd like. >One of the reasons is because configuring ccd is like pulling teeth. >Another is that I hope you'll use my driver when it's finished. > >Greg > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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