RE Multiple Dom0s sharing a SAN with LVM (was: Re: [Xen-users] Livemigration problem)

[Alain BARTHE <alain.barthe@xxxxxxxx>]

We don't follow any how-to for that,
but things are quiet simple.
We decided that a VG is dedicated for
each domU, and one LV on this VG for each disk of the domU (generally only
one). We use naming rules to avoid to get lost with this big amount of
LVs.

When you want to migrate a domU, you
must attach the SAN disk on which resides the domU's VG to the target dom0,
and you must activate its LVs. 
The "xm migrate -l" may be
runned, generally it succeeds... except in some cases like the one I reported
here.

Don't hesitate to ask me if you have
further questions.

Auf viedersen.
Alain.

xen-users-bounces@xxxxxxxxxxxxxxxxxxx a écrit sur
10/01/2008 15:54:15 :

> Am Thursday, den 10 January hub Alain BARTHE folgendes in die Tasten:
> 
> Hi!
> 
> > We have a dozen of dom0, running about 50 domUs. All domUs have
disks on 
> > LVM, disks are located on a SAN, so it is very easy to live migrate
simply 
> > by attaching a domU disk on two dom0s. 
> [...]
> 
> I'm sorry, I have no answer to your problem, but I would like to ask
> how exactly you setup your environment.
> Did you follow any howto on this?
> 
> I want to setup exactly the same at work, so any tip or usefull link
> would be appreciated.
> 
> Thanks a lot!
> 
> Ciao
> Max
> -- 
>    Follow the white penguin.
> 
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