Thank you for giving me this useful information. You said in Xen 3.0.4 the
config file is not in /etc/xen/ but is managed by Xend, but I cannot find
the same command in "xm". For example, there is no command "xm dumpxml", but
I guess there should be one. So what should I do when I want to modify the
config file if there is no libvirt or virsh? Could you show me other ways to
modify the config file of a virtual machine (guest) except for using command
"virsh dumpxml"? Thank you.
Rui FENG
2007-5-29
-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Daniel P.
Berrange
Sent: Tuesday, May 29, 2007 9:19 PM
To: Free
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Does Xen 3.1 use NAT for virtual network by
default?
On Tue, May 29, 2007 at 09:03:09PM +0800, Free wrote:
> I have done it following your direction! Thank you so much!
>
> >From the website I know you are just the honorable developer of
> virt-manager. Could you tell me why I created a virtual machine using
> virt-manager, it does not create a config file of the virtual machine in
> /etc/xen/ as it does in Fedora 6? What should I do if I want to configure
> the virtual network without X-window and virt-manager? You know I can do
> that by directly editing the /etc/xen/xend-config.sxp and other config
file
> of xend in Fedora 6. Thank you.
This is a new feature of Xen since 3.0.4 - the config files for guests are
managed directly by XenD itself, so are no longer kept in /etc/xen .
If you want a command line tool for managing guests, then virt-install can
provision new guests, and virsh can be used to manage existing guests.
To edit the config of an existing guest, try something like
virsh dumpxml [guest name or id] > config.xml
vi config.xml
virsh define config.xml
What you're doing here is requesting a dump of the XML doc describing the
guest, then editting it to suit your needs, and finally reloading the XML
config into XenD. There's some docs on the format
http://libvirt.org/format.html
For simple operations like changing memory settings and VCPU counts you can
also just use the approrpriate virsh command directly. We're also working
on more virsh commands to allow addition & removal of network & disk devices
without needing to edit XML.
Regards,
Dan.
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