RE: [Xen-users] Migrating existing system (Linux) to Xen

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> siaco@xxxxxxxxxxx
> Sent: 14 November 2006 20:07
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] Migrating existing system (Linux) to Xen
> 
> Hi.
> 
> Is there possible to migrate any existing system running 
> kernel 2.6 to Xen, or migrating every application to newly 
> created virtual OS is necessary?

Seeing as no-one has picked this one up, I'll take a stab at
answering... 

Let's first say that I'm not entirely sure what you mean by migrating in
this case. Do you want to move a currently running service from one
machine to a virtualized instance on a different machine? 

Xen itself only supports migrating the whole OS when it's already on a
xenified system, so you can't expect Xen to help with the migration from
a non-Xen platform. 

You should be able to do this, tho:

1. Install Xen + Dom0 on a machine.
2. Install a Xenified guest on this machine.
3. Install into the Xenified guest the applications necessary for your
service(s). 
4. Migrate from the non-Xen machine to the Xenified. 

Aside from step 1 (and the detailed difference that the step 2 would be
installing a standard Linux kernel, of course), this is exactly the same
steps you'd take if you wanted to migrate from one non-Xen installation
to another non-Xen installation. 

If that's not really what you asked for, then please clarify what you
actually want to do. You can probably do it one way or another. 

--
Mats
> 
> R.
> 
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