Date: Mon, 27 Aug 2001 16:21:22 +0300 From: Ruslan Ermilov <ru@FreeBSD.ORG> To: Bob Hall <rjhalljr@starpower.net> Cc: FreeBSD <freebsd-questions@FreeBSD.ORG> Subject: Re: Using dvd-ram for backup Message-ID: <20010827162122.B53928@sunbay.com> In-Reply-To: <20010827085932.A211@starpower.net>; from rjhalljr@starpower.net on Mon, Aug 27, 2001 at 08:59:32AM -0400 References: <20010827085932.A211@starpower.net>
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On Mon, Aug 27, 2001 at 08:59:32AM -0400, Bob Hall wrote: > Has anyone used dvd-ram for backup? I've been searching the > FreeBSD site and my books for several days, and I haven't > been able to come up with the magic combination of keystrokes > that will persuade FreeBSD to write to a dvd-ram device. > > My system is 4.3 release. I've tried using newfs to create > a Unix file system on the disk: > # newfs -v /dev/rcd0c > but I get an error message that it can't write the disk > label. I've tried using disklabel and received the save > message. > I found this message to be harmless. I.e., after newfs(8) run, I can use the `c' partition of the DVD RAM media as I would use it on my hard drive. It was also my understanding that for DVD RAM, FreeBSD constructs a fake disklabel, on the fly, hence no need to write it to the media. > I've tried > # dump -f /dev/rcd0c /usr > but it tells me that I need 12 volumes. My entire file > system takes up less than half of one side of a dvd disk. > Haven't tried to dump(8) to it yet. Cheers, -- Ruslan Ermilov Oracle Developer/DBA, ru@sunbay.com Sunbay Software AG, ru@FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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