Date: Fri, 12 Jul 1996 20:20:03 +1000 (EST) From: John Hartley <jbh@labyrinth.net.au> To: freebsd-scsi@freebsd.org Subject: Re: tandberg scsi tape + FreeBSD 2.1/2.0.5 Message-ID: <199607121020.UAA07480@minotaur.labyrinth.net.au>
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At 07:07 12/07/96 +0200, you wrote: >As John Hartley wrote: > >> >What's the actual medium type in the drive while you captured the >> >above? (Just curious.) >> > >> >> The tape am using is a 1.2 GB "Magnus", I'm not sure what this translates >> to in QIC terms. > >I think the ECMA-17 density was correct for this cartridge. > >> I have reperformed the test, having booted the box with the tape in the drive. >> The following commands where then done: >> scsi -f /dev/st0ctl.0 -d 0xff >> mt -f /dev/rst0 status >> tar tvf /dev/rst0 >> mt -f /dev/rst0 status >> > >Would the drive work if you do: > > <put in cartridge> > mt fsr > mt rewind > tar tv > I tried this, doing a boot with no tape in the drive then: mt fsr (reports the ussual error ILLEGAL REQUEST csi:0,8,0,0 .... however the tape drive itself did some whirrringgg) mt rewind (ditto) tar tv (ditto, but no whirrringgg!) I then retryed with a non-blank tape in the unit Same results. Interestingly though following this suite of test an: mt status now reports "Density = ECMA TC17", so obviously there has been some negotiation going on. >-- >cheers, J"org > >joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE >Never trust an operating system you don't have sources for. ;-) > > Thanks for your persistence. Me thinks maybe I should go out and buy a CD-ROM writer..... ;-) (I noticed you worked on the drivers for that.) (Irrelevent aside here, when you cut the CD I presume you are cutting a direct ufs image? So where do "Rock Ridge Extensions" come into play with Unix CDs? and what would you need to cut a "RRE" cd?) John Hartley Graphica Software Pty. Ltd.
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