Re: [Qemu-devel] Live Block Migration using Mirroring

[Federico Simoncelli]

----- Original Message -----
> From: "Paolo Bonzini" <address@hidden>
> To: "Federico Simoncelli" <address@hidden>
> Cc: "Stefan Hajnoczi" <address@hidden>, address@hidden, address@hidden, 
> address@hidden
> Sent: Tuesday, February 28, 2012 6:36:57 PM
> Subject: Re: [Qemu-devel] Live Block Migration using Mirroring
> 
> Il 28/02/2012 18:15, Federico Simoncelli ha scritto:
> > Thank you for getting this. Being able to have a bogus backing file
> > was
> > a bonus but it's not really required for the mirrored live block
> > migration.
> > We can add the support for switching the backing file in the
> > drive-reopen
> > part.
> 
> Wait, it's not really required for oVirt because it creates the
> snapshot
> outside QEMU.  What about everyone else?

They'll have (as oVirt) two mirrored snapshot pointing at the same
base. The only difference is that the image is created internally, but
that's not hard.

-- 
Federico