Date: Tue, 23 Nov 2004 23:15:12 +0100 From: Palle Girgensohn <girgen@pingpong.net> To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> Cc: freebsd-scsi@freebsd.org Subject: Re: how "reformat" DLT IV tape from 20/40 to 40/80? Message-ID: <00423C3D385D81D7DA03D6E6@palle.girgensohn.se> In-Reply-To: <Pine.BSF.4.53.0411060904090.29952@e0-0.zab2.int.zabbadoz.net> References: <4501DBD4728A1FD2B7595244@rambutan.pingpong.net> <Pine.BSF.4.53.0411060904090.29952@e0-0.zab2.int.zabbadoz.net>
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Hi! I tried degaussing a tape, but the degaussed tape is not accepted by the=20 taper. The tape is ejected after about 30 s, the Media light flashes,=20 manual says: An inappropriate tape has been loaded into the drive. The tape should automatically eject. Do I need to format the tape? I really doubt that, and how would I be able=20 to do that anyway if the tape is not accepted by the taper? Was it not=20 enough degaussed? Also seems odd, doesn't explain why the taper ejects the=20 tape? Any ideas welcome! Regards, Palle --On l=F6rdag, november 06, 2004 09.18.28 +0000 "Bjoern A. Zeeb"=20 <bzeeb-lists@lists.zabbadoz.net> wrote: > On Sat, 6 Nov 2004, Palle Girgensohn wrote: > >> Hi! >> >> Just got a new taper, an HP DLT VS80. We previously had an Adic, 20/40. >> The use the same type of tapes, DLT IV. Now, I want to keep using some >> of the old tapes, but the HP won't write to them, and I believe that is >> because they are just 20/40 GB, not 40/80 GB. I found some info saying >> that the first time a tape is used, the taper writes info about the >> density (or sets the density somehow). > > VS80 is NO "full-featured" DLT IV tape. You can only write to tapes > previously written by a VS80 or that are blank (new or _correctly_ > degaussed). > > For a more detailed description (please see this link: > http://quantum.broaddaylight.com/quantum_support/FAQ_33_4717.shtm > > >> I use FreeBSD, so I expect mt(1) should somehow be able to perform the >> trick. > > no; it's not a matter of trick. It simply cannot work. > VS80 !=3D DLT IV and that's it. HP wants to make extra money from you ;) > > >> Any ideas how to fix this? > > buy a DLT IV tape drive, degauss your tapes or buy new tapes. > > sorry to say there aren't many other possibilities. > > -- > Greetings > Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT
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