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[Xen-devel] HEADS UP: HVM cdrom/disk configuration changed

To: "Xen Devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] HEADS UP: HVM cdrom/disk configuration changed
From: "Christian Limpach" <christian.limpach@xxxxxxxxx>
Date: Sun, 6 Aug 2006 01:26:57 +0100
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Changeset 10921:4c2fab8f8c34 changes how disk and cdrom drives are
configured for hvm domains.  Disks no longer need the ioemu: prefix,
it is ignored if it is present.  Cdrom drives are now configured like
disks by adding a :cdrom suffix to the target device (i.e.
'file:/root/mytest.iso,hdc:cdrom,r').  There is no default cdrom drive
any longer, to create an empty cdrom drive, use ',hdc:cdrom,r'.  Any
of the 4 ide devices can be cdrom drives now.

There is no compatibility support for the cdrom= option in old config
files.  I'll consider patches to add such compatibility support.  The
compatibility code should be implemented in xm.


changeset:   10921:4c2fab8f8c3420df750af2f3d4dc8cf377f2f418
user:        chris@xxxxxxxxxxxxxxxxxxxxxxxx
date:        Thu Aug 03 18:28:29 2006 +0100
files:       tools/examples/block tools/examples/xmexample.hvm tools/ioemu/Makef
ile.target tools/ioemu/block.c tools/ioemu/hw/ide.c tools/ioemu/monitor.c tools/
ioemu/vl.c tools/ioemu/vl.h tools/ioemu/xenstore.c tools/python/xen/xend/image.p
y tools/python/xen/xend/server/blkif.py tools/python/xen/xm/create.py
[qemu] Use xenstore to configure ioemu block devices.
- read ioemu block device config from xenstore
- don't require the ioemu: prefix on block devices any longer
- allow change of media associated with cdrom drives
- replace cdrom= option by :cdrom suffix on regular block device config:
- don't create default cdrom drive anymore - to create default empty
 cdrom drive use: ',hdc:cdrom,r'

Signed-off-by: Christian Limpach <Christian.Limpach@xxxxxxxxxxxxx>

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