cdrom and cdrw

[Gregory Nowak]

The only reason why I said that was because when I had a cdrom drive in this machine in addition to the cdrw drive, I had the cdrw as ide-scsi, and the cdrom as ide, and everything worked smoothly.
Greg


On Wed, Mar 27, 2002 at 01:40:13AM +0800, Kerry Hoath wrote:
> Wrong again greg,
> failing to set the cdrom up as ide-scsi
> will prevent utilities from using the read raw p-w subchannel command.
> This foils index detection and can prevent some drives from reading cd-text 
> informantion and isrc information.
> Some drives do not support the read-raw p-w subchannel command and will only read
> the pq subchannel but why take the risk?
> Also, cdparanoia will work with some drives in ide-scsi emulation that will fail when
> controlled by the ide/atapi driver.
> Your milage may vary but I have found that the ide-scsi layer is more
> affective at digital audio extraction than the ide/atapi driver.
> 
> Regards, Kerry.
> On Tue, Mar 26, 2002 at 11:29:44AM -0600, Gregory Nowak wrote:
> > You don't need to set up the cdrom as a ide-scsi device. This is only required for the cdrw.
> > Greg
> > 
> > 
> > On Tue, Mar 26, 2002 at 10:52:16AM -0600, Cheryl Homiak wrote:
> > > I'm a little confused even after reading all the docs so I could use some help
> > > here.
> > > I have an ide/atapi cdrom, which I have loaded as scsi because i'm getting ready
> > > to get a cdrw in addition to the cdrom. Here are my questions:
> > > 1. Does placement of the cdrw and cdrom matter. The person installing wants to
> > > put them on separate ides as he says this can make the cdrw slightly faster.
> > > this means that one of them has to be hdb and the other has to be hdc or hdd (I
> > > would think hdc). Is it better to put the cdrw as single or primary and let the
> > > cdrom be the slave on my first ide?
> > > 2. Does this mean that i set up both the cdrom and the cdrw as scsi? I think I
> > > read that if you compile both scsi and atap/ide into the kernel the atapi/ide
> > > will take over which I don't want for the cdrw for sure.
> > > 3. If both are to be scsi, should my cdrw be scd0 and my cdrom scd1 or does this
> > > matter?
> > > 4. What symlinks do I do? Right now I have /dev/cdrom linked to scd0, but is
> > > this where the cdrw should be linked? Do I make an additional directory and
> > > mount point so that both can be mounte?
> > > Thanks.
> > > 
> > > 
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> 
> -- 
> Kerry Hoath:  kerry at gotss.net kerry at gotss.eu.org or  kerry at gotss.spice.net.au
> ICQ: 8226547 msn: kerry at gotss.net Yahoo: kerryhoath at yahoo.com.au
> 
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