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Re: Reinstall host, guest management: msg#00047

Subject: Re: Reinstall host, guest management
On Wed, Oct 24, 2007 at 03:21:05PM -0200, Augusto Castelan Carlson wrote:
> Hi!
> 
> I have a server with two guests (all Fedora 7). Each one has its own 
> partition.
> 
> host: /dev/hda1
> guest1: /dev/hda2
> guest2: /dev/hda3
> 
> Suppose that my host fail and I need to reinstall it. After
> reinstalling, how can I have access to my 2 guests using tools such as
> virt-manager/virsh/xm? or make them run as the were before the host
> failed.
> 
> When I installed both guests, no configuration file was created in /etc/xen

Just re-run  virt-install, passing in the /dev/hda2  as the guest file
system. When the installer pops up, instead of doing an install (which
would overwrite your guest), simply use 'virsh destroy' to shut it down
immediately. The neccessary guest config file should now have been created
so you can re-start with 'virsh start' as usual. 

I intend to add some form of 'virt-import' tool do make this more simple,
so you don't have to do the 'boot the installer & quit' trick.

Dan.
-- 
|=- Red Hat, Engineering, Emerging Technologies, Boston.  +1 978 392 2496 -=|
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