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RE: [Xen-users] Can't use DVD Writer in DomU

To: "Paul Waldo" <paul@xxxxxxxxxxxxx>, "Xen users mailing list" <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] Can't use DVD Writer in DomU
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Fri, 15 Feb 2008 12:41:05 +1100
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Thread-topic: [Xen-users] Can't use DVD Writer in DomU
> Hi all,
> 
> I'm trying to use an IDE DVD Writer in my domU.  Here is the disk line
> from my
> config file:
> 
> disk        =
> [ 'phy:hydra/perseus-disk,xvda1,w', 'phy:hydra/perseus-swap,xvda2,w',
> 'phy:/dev/dvd1,hdc:cdrom,w' ]
> 

The block interface provided by blkback and blkfront is pretty basic,
supporting only read, write, and write+barrier. There is no provision
for the sort of commands required for doing writing.

Have a look through the archives (maybe xen-devel) for some scsi
passthrough patches. They may do what you want.

James

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