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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!nntp.coast.net!news.sprintlink.net!news-peer.sprintlink.net!uunet!in3.uu.net!newsflash.concordia.ca!news.nstn.ca!coranto.ucs.mun.ca!news.unb.ca!agate.nbnet.nb.ca!news From: cavenerl@nbnet.nb.ca (Lance Cavener) Newsgroups: comp.unix.admin,comp.unix.questions,comp.unix.misc,comp.unix.bsd.bsdi.misc Subject: Re: ideal parameters for backup tape Date: Sat, 14 Sep 1996 12:58:02 GMT Organization: Senarius Inc. Lines: 31 Message-ID: <51guk8$818@agate.nbnet.nb.ca> References: <323954B8.167EB0E7@innet.be> <323BA194.735A@top.monad.net> Reply-To: cavenerl@nbnet.nb.ca NNTP-Posting-Host: mctnts02c07.nbnet.nb.ca X-Newsreader: Forte Free Agent 1.0.82 Xref: euryale.cc.adfa.oz.au comp.unix.admin:47384 comp.unix.questions:87682 comp.unix.misc:25108 comp.unix.bsd.bsdi.misc:4877 On stardate Sun, 15 Sep 1996 02:26:28 -0400, Paul Venezia <pvenezia@top.monad.net> sent holographic email and wrote: >How much data depends on the size of the tape. A 120 meter DAT will take >approx. 8 gigs, provided you have a drive that will do compression, >such as an Archive Python. a 90 mete tape stores approx 4 gigs, >compressed. So, with the Sony, you'll get approx. 4 gigs. >AFA the syntax for the BSDI dump command, here's what I use to dump an >entire partiton to tape: >dump 0uBf 12288000 /dev/nrst0 /dev/sd0a >Check the man pages to figure out exactly what this does, but basically, >it moves the entire /dev/sd0a partiton to the tape drive, compressed. I have a HP drive with 90meter tapes (250 feet). How would I go about getting all 4 gigs out of it? I want to backup my main partition, compressed PLUS the DNS on a seperate session (if possible).. The dump man page isnt very discriptive. -- ,-------------------------------------------------------, |Lance Cavener Systems Administrator | |cavenerl@nbnet.nb.ca Senarius Inc. | |admin@novacon.com | |"Microsoft sent 54 programmers to Apple? You lie......"| `-------------------------------------------------------'