Re: [Xen-users] Trying to clone one client to another host, but would like to configure the LVM disc aforehand

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Mon, Mar 22, 2010 at 02:58:55PM +0100, J4 wrote:
> Hi Pasi,
> 
>        I am referring to the virtual machines.  I get confused by the Xen
> terms client and host. I understand Xen server that runs Xen hosts, and
> this is why my Email might confused people.
> 
> I have serveral servers that run Xen, and these servers have Xen hosts
> running.
> 
> Such as:
>       Server name: app-044 (runs SLES)
>          Contains several Xen hosts on it each running SLES:-
>                               app-xen-101
>                               app-xen-121
>                               app-xen-102
>                               app-xen-104
> 

Xen host == the physical machine running the hypervisor, the privileged domain 
("dom0").

Xen guest == the virtual machine, vm. 
             Also called as "unprivileged domain", 
             or domU in Xen talk.


host/guest is the usual/common usage.. for example VMware uses the same naming.

So yeah.. what's the problem actually? You just copy the Xen guest cfgfile 
from /etc/xen/<guest> to the new host, and also transfer the disk image contents
to the new host.

Then you're ready to start the guest in the new host.

-- Pasi

> I want to clone the host app-xen-102 onto another Server called app-164.
>  The new xen host would be called app-xen-178.
> 
> Pasi Kärkkäinen wrote:
> > On Mon, Mar 22, 2010 at 02:39:31PM +0100, J4 wrote:
> >>    Dear all,
> >>
> >>        I want to install a Xen client on a host. We have several other
> >>    clients installed.  I have searched on Google, but am unable to find a
> >>    guide that would help me installing the O/S; these always refer to GUIs
> >>    which is of no use.  The O/S is SLES 10.
> > 
> > Uhm.. what do you mean with "client" ? Are you talking about XCI (Xen 
> > Client Initiative),
> > which is the Xen desktop stuff, or are you referring to guests (=virtual 
> > machines) ?
> > 
> > -- Pasi
> > 
> >>    I want to prepare the disc so that when I boot an O/S it will find the
> >>    logical volumes already set-up and ready to use. This is because I am
> >>    trying to clone an existing Xen client currently on another Xen host.
> >>    However, I cannot even find how to boot the kernel.  I don't want to 
> >> use a
> >>    UI, only CLI and manually editing files:- Why? Using a GUI or UI is no 
> >> use
> >>    when all I have is a dumb terminal.
> >>
> >>    Does anyone know of any URLs that I could refer to?
> >>
> >>    Best wishes, J.
> > 
> 

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