Re: [Qemu-devel] [RFC PATCH] replication agent module

[Paolo Bonzini]

On 02/08/2012 03:39 PM, Stefan Hajnoczi wrote:
> > >  What about taking the existing Ceph/RBD driver in QEMU and changing it to
> > >  support arbitrary image formats rather than just raw?  That sounds much much
> > >  easier.  The main advantage is that Ceph has a user-space library for use in
> > >  the replication hub.  It also supports snapshots.
> I missed how Ceph/RBD helps.  Can you explain how we would use it?

Ceph supports replication, you would just put images in a Ceph store 
rather than in a "normal" filesystem.

Paolo