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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!spool.mu.edu!uwm.edu!news-peer.gsl.net!news.gsl.net!hammer.uoregon.edu!news.uoregon.edu!Symiserver2.symantec.com!news From: tedm@agora.rdrop.com Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: QIC-120 and QIC-150 Date: 17 Nov 1996 19:43:19 GMT Organization: Symantec Corp. Lines: 24 Message-ID: <56npsn$b6o@Symiserver2.symantec.com> References: <328d139e.0@finesse.isdn.uni-konstanz.de> Reply-To: tedm@agora.rdrop.com NNTP-Posting-Host: shiva1.central.com X-Newsreader: IBM NewsReader/2 v1.2.5 In <328d139e.0@finesse.isdn.uni-konstanz.de>, Pascal.Gienger@uni-konstanz.de (Pascal Gienger) writes: > >I have a question regarding QIC drives with FreeBSD 2.1.5. > >I have some Cartridges here with 120 MB (15 tracks) and 150 MB (18 tracks). >Problem is, these cartidges are mixed up. So I is unusable for a backup, >where a script always wants to use the same device name..... > >So what can be done to reformat QIC-120 to QIC-150? Must I degauss >the tape completely? (If yes: How can it be done?) These tapes don't need "reformatting" data is just written out onto them. You can do a "mt erase" but all this does is rewind the tape and write out an end-of-file mark. About a year ago I wrote an article on backup that explains this, you might find it in the archives on http://www.computerbits.com If you cannot locate it e-mail me. Ted tedm@agora.rdrop.com