Date: Sun, 25 Aug 2002 20:52:35 +0200 (MET DST) From: j@uriah.heep.sax.de (Joerg Wunsch) To: freebsd-scsi@freebsd.org Cc: Philippe CASIDY <pcasidy@casidy.com> Subject: Re: Trying to install an SCSI Floptical drive Message-ID: <200208251852.g7PIqZBw029084@uriah.heep.sax.de> References: <200208251348.g7PDmAlX004593@gueway.home>
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Philippe CASIDY <pcasidy@casidy.com> wrote: > da1 at sym0 bus 0 target 2 lun 0 > da1: <INSITE I325VM *F 0381> Removable Direct Access SCSI-CCS device > da1: 3.300MB/s transfers > da1: Attempt to query device size failed: MEDIUM ERROR, Track following error That's a genuine hardware failure, you gotta fix that hardware. Back in the days when those drives were new (they came built into the SGI Indy), i tried to use one on FreeBSD (2.1.x probably, or maybe even 1.1.5.1). I never really succeeded. But then, i remember that these drives were *very* fragile wrt. dust. In the Indy, they have been built without the usual dust flap before the medium slot, so due to the influx of air they regularly became totally unusable -- even for handling normal floppy media -- after a week or so. With the `enhanced' media, the idea was to implement an optical track servo to increase the track density (on one side, the other side was then used to actually record the data). So if you were getting the above with a 20 MB medium inserted, i wouldn't be surprised if it's indeed too much dust on the optical sensing unit (where a `track following error' as the result would make some sense). -- cheers, J"org .-.-. --... ...-- -.. . DL8DTL http://www.sax.de/~joerg/ NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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