[7962] in linux-scsi channel archive
Re: Another multi-lun CD changer (was: ... simultaneous access problem)
daemon@ATHENA.MIT.EDU (Brendan Miller)
Fri Jan 28 03:56:12 2000
Date: Thu, 27 Jan 2000 21:17:13 -0800
From: Brendan Miller <brmiller@netgate.net>
To: Ishikawa <ishikawa@yk.rim.or.jp>
Cc: LINUX SCSI <linux-scsi@vger.rutgers.edu>
Message-ID: <20000127211713.A21428@netgate.net>
Reply-To: Brendan Miller <brmiller@netgate.net>
Mime-Version: 1.0
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In-Reply-To: <38907080.CB40CB1E@yk.rim.or.jp>; from Ishikawa on Fri, Jan 28, 2000 at 01:21:21AM +0900
> MBR seems to try to check what CD is in each of the 7 available slots
> by reloading the CD into read mechanism one by one
> after reset. And this reloading obviously takes time.
> (Does Brendan's unit also do this?)
Yes. The LASound CDX7405 switches to each slot, one after the other,
presumably to check the disc, read something (maybe), and store info
for later on (totally guessing) upon modprobing the BusLogic device
driver. After that, it doesn't check each CD unless I mount or access
it some other way.
Brendan
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