Fantastic diagram, Wido, many thanks for doing this. Ross is in the process of setting up a community wiki so hopefully we can host this diagram there. Neil On Fri, Mar 15, 2013 at 6:22 AM, Wido den Hollander <wido@xxxxxxxx> wrote: > Hi, > > In the last couple of months I got several questions from people who asked > how the Ceph integration with CloudStack works internally. > > CloudStack is being developed rapidly lately and the documentation about how > it all works internally isn't always up to date. > > I made a small diagram which explains how CloudStack communicates with the > Ceph cluster: http://ubuntuone.com/6RPLncpt0i3OKuZErfiFHg > > To be clear: > - The CloudStack management server never contacts the Ceph cluster > - Only the hypervisors contact the Ceph cluster > > The storage subsystem in CloudStack is going a major overhaul right now and > those changes will hit 4.2. It will mainly change code and not so much the > workflow. > > Hope this makes it all a bit more clear. > > -- > Wido den Hollander > 42on B.V. > > Phone: +31 (0)20 700 9902 > Skype: contact42on > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com