Date: Tue, 23 Nov 2004 15:46:26 -0800 From: Josef Grosch <jgrosch@MooseRiver.com> To: Palle Girgensohn <girgen@pingpong.net> Cc: freebsd-scsi@freebsd.org Subject: Re: how "reformat" DLT IV tape from 20/40 to 40/80? Message-ID: <20041123234626.GA6938@mooseriver.com> In-Reply-To: <00423C3D385D81D7DA03D6E6@palle.girgensohn.se> References: <4501DBD4728A1FD2B7595244@rambutan.pingpong.net> <Pine.BSF.4.53.0411060904090.29952@e0-0.zab2.int.zabbadoz.net> <00423C3D385D81D7DA03D6E6@palle.girgensohn.se>
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[-- Attachment #1 --] On Tue, Nov 23, 2004 at 11:15:12PM +0100, Palle Girgensohn wrote: > Hi! > > I tried degaussing a tape, but the degaussed tape is not accepted by the > taper. The tape is ejected after about 30 s, the Media light flashes, > 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 > to do that anyway if the tape is not accepted by the taper? Was it not > enough degaussed? Also seems odd, doesn't explain why the taper ejects the > tape? > > Any ideas welcome! > > Regards, > Palle Most likely the tape is defective. These tape drives keep track of the number of defects it finds on a tape. If that number goes above a certain count, 20 I think, the tape is rejected. Also, the drives tries to read and/or write a header on the tape. If it can't the tape is rejected. Your best bet is to throw that tape away and get another. I used to have a box full of tapes that my 8mm drive rejected. I thought that I might be able to get them to work. Repeated degaussing never did the trick. Josef -- Josef Grosch | Another day closer to a | FreeBSD 5.3 jgrosch@MooseRiver.com | Micro$oft free world | Berkeley, Ca. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- iD8DBQFBo8vSy8prLS1GYSERAqTtAJ4tShFEDSSRHI1gitBxXVwJFz938ACfbq0w sI0NyDPjMLIRA+XtFy9hiis= =1bpV -----END PGP SIGNATURE-----
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