Date: Mon, 9 Nov 1998 21:03:23 -0800 (PST) From: Doug White <dwhite@resnet.uoregon.edu> To: flygt@sr.se Cc: FreeBSD Questions <questions@FreeBSD.ORG> Subject: Re: dump and Tandberg QIC drives Message-ID: <Pine.BSF.4.03.9811092101060.16987-100000@resnet.uoregon.edu> In-Reply-To: <19981105230125.A15599@sr.se>
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On Thu, 5 Nov 1998, Gunnar Flygt wrote: > Is there anyone out there familiar with dump? I have a Tandberg > MLR-drive that installes beautifully by FreeBSD. The problem is with > dump. It seems that it wasn't written for drives that can do 16GB on one > tape. If I try to make a backup of 500MB I get a īcalculationī from dump > that it should take 52.36 tapes to make this backup. So I changed the > density parameter to the value given by Tandberg 67700BPI. I get a > better value. Now I need only 2.54 tapes to make my backup. There is not > enough parameter setting to use with big tapes, as far as I can see. The > default tape length is 2300 feet. my tape is only 1500 feet, but can > still host 16GB. > > Does anyone know? You're getting caught in the old measurement format. Try running dump as dump -0auf /dev/nrst0 / the a option says 'use the whole tape'. If that does wierd things use the 'B' and 'b' options; see the dump manpage. Doug White Internet: dwhite@resnet.uoregon.edu | FreeBSD: The Power to Serve http://gladstone.uoregon.edu/~dwhite | www.freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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