Re: [Xen-users] how to migrate guest OS to other servers without xen installed

[Andrew Thompson <andrewkt@xxxxxxxxxxx>]

Jeremy Fang wrote:
> Hello All:
>  
> Currently I have xen system running RedHat enterprise version 3 and two 
> Guest OS running on top of that in which one is run as RedHat 8.0 and 
> the other is RedHat 7.2. All the applicaton software running on the two 
> Guest OS are functioning well. My goal is find a way to migrate these 
> two guest OS + its application to other two physical servers without xen 
> running on that.
> I don't need to do Live Migration.
>  
> Therefore, the questions are:
>  
> 1) Is it feasible to do that ?
> 2) If it is feasible, how to do it and what tools do I need to achieve 
> that ?
It sounds like a simple copy of your partition to the new machine. (Or, 
did I miss something?)
First, you should probably build kernels on the guests that can 
successfully boot the new servers(or have a verified boot cd handy).
If you can temporarily pull the drive, it might take less time to walk 
the drive to the new machine and cp -a or tar | tar to the harddrive in 
the new machine.
Basically you just need to transfer the filesystem(with permissions, 
links, etc) to the new server, tweak your /etc/fstab, and lilo/grub your 
kernel into place.
If they are large partitions, there is a tool on the samba website that 
supposedly compresses better than gzip or bzip2, but it's name now 
eludes me.
--
Andrew Thompson
http://aktzero.com/

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