Date: Sat, 8 Feb 1997 12:19:37 +0100 From: j@uriah.heep.sax.de (J Wunsch) To: K.R.Marshall@ukc.ac.uk (K.R.Marshall) Cc: scsi@freebsd.org Subject: Re: Nakamichi 4-disk changers Message-ID: <Mutt.19970208121937.j@uriah.heep.sax.de> In-Reply-To: <Pine.SV4.3.95.970207122414.16713C-100000@crane>; from K.R.Marshall on Feb 7, 1997 13:44:38 %2B0000 References: <Pine.SV4.3.95.970207122414.16713C-100000@crane>
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As K.R.Marshall wrote: > Anyhow, I had to add the following lines to scsiconf.c - I hope this diff > is useable - I'm not too experienced at such things. It is relative to > 3.0-SNAP of 18/01 but it should be easy enough to adapt for other releases > too I think. Thanks, i'll include it. > This server won't go online for a couple of weeks so if anyone wants me to > test out CD-ROM changer code I'll be happy to oblige. I've got a Nakamichi 7-disk changer here for testing. The biggest problem i found (after fixing the ``Logical unit is in the process of becoming ready'' problem) is that the drives are likely to go thrashing on concurrent access, since the kernel doesn't lock one medium in a device for long enough, so the drives will finally be very busy constantly swapping their media. -- 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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