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Re: [Xen-users] centos 5.6 upgrade to 4.1 - no DomUs listed

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Subject: Re: [Xen-users] centos 5.6 upgrade to 4.1 - no DomUs listed
From: Andy Howell <AndyHowell@xxxxxxxxxxxxx>
Date: Tue, 17 May 2011 16:57:58 -0500
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On 05/17/2011 04:31 PM, Todd Deshane wrote:

> These wiki pages are important for those upgrading to Xen 4.1 and higher.
> http://wiki.xensource.com/xenwiki/Xen4.1
> http://wiki.xensource.com/xenwiki/MigrationGuideToXen4.1%2B
> http://wiki.xensource.com/xenwiki/HostConfiguration/Networking

Thanks. I had come across those. I had set the networking as described.

The problem is that xen does not list any of my existing domains, the config 
files of
which live under /etc/xen/

For example, /etc/xen/trillian:

name = "trillian"
uuid = "00a45ea5-8130-3b65-0700-2c30142254ac"
maxmem = 512
memory = 512
vcpus = 1
bootloader = "/usr/bin/pygrub"
on_poweroff = "destroy"
on_reboot = "restart"
on_crash = "restart"
vfb = [ "type=vnc,vncunused=1" ]
disk = [ "tap:aio:/virtual2/trillian.img,xvda,w" ]
vif = [ "mac=00:16:3e:67:21:78, ip=, bridge=xenbr2", 
ip=, bridge=xenbr0,script=vif-bridge,vifname=vif1.1" ]
ip = ""
netmask = ""
gateway = ""

The migration note says: "Arbitrary embedded python is not supported. Therefore 
it will be
necessary to remove any python code from your configuration files."

I assume that does not mean the list constructs like:

vfb = [ "type=vnc,vncunused=1" ]

>> The end result I'm after is to create a Ubuntu 11.4 DomU. Is this possible?
> A domU based on Ubuntu 11.04 is certainly possible

> A Linux guest can run as either normal PV (paravirtualized) or PVonHVM
> (http://wiki.xensource.com/xenwiki/XenLinuxPVonHVMdrivers)

I'll check that out.

> Hope that information helps.

It does. At least I know what I'm trying to do is possible. Thats half the 
battle :)



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