Date: Sun, 9 Feb 1997 06:00:03 -0800 (PST) From: j@uriah.heep.sax.de (J Wunsch) To: freebsd-bugs Subject: Re: kern/2698: scsi tape driver problem Message-ID: <199702091400.GAA16899@freefall.freebsd.org>
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The following reply was made to PR kern/2698; it has been noted by GNATS. From: j@uriah.heep.sax.de (J Wunsch) To: plm@xs4all.nl Cc: FreeBSD-gnats-submit@freebsd.org Subject: Re: kern/2698: scsi tape driver problem Date: Sun, 9 Feb 1997 14:58:28 +0100 As Peter Mutsaers wrote: > NCR815 SCSI interface, QIC-150 tape (in 525 MB drive) What drive? > Also, I can never read a dump with dd (dd if=/dev/rst0 bs=512 fails): > $ dd bs=512 if=/dev/rst0 of=/dev/null > dd: /dev/rst0: Input/output error > 0+0 records in > 0+0 records out > 0 bytes transferred in 12.830684 secs (0 bytes/sec) > > console output: st0: 10240-byte record too big This looks odd. It means the drive wrote variable-sized records, as opposed to fixed-length 512 bytes. I think this is beyond the specs, and this drive is plain broken. QIC-150 does IMHO only know about fixed-length 512-byte blocking. I bet you can't read these tapes on another drive at all. -- 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. ;-)
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