Dmitrii, Many thanks for your insight here.
~James On Wed, Jul 26, 2017 at 11:34 PM, Patrizio Bassi <patrizio.ba...@gmail.com> wrote: > > 2017-07-26 9:17 GMT+02:00 Mark Shuttleworth <m...@ubuntu.com>: > >> On 26/07/17 07:14, Patrizio Bassi wrote: >> >> Deploying hadoop via juju in an openstack tenant requires a separate >> model (as far as i could design it). >> So we may use the new juju 2.2 cross model relation to relate the hadoop >> charms to the openstack ceph units. >> >> does it sound feasible? >> >> >> Yes, that sounds feasible. I'm not sure how Ceph identity / permissions >> will work in that case (i.e. who has access to which data, how Ceph will >> correlate tenants in OpenStack both through Cinder and through a direct >> relationship). In principle though, as long as the networking is arranged >> so that IP addresses and routes enable traffic to flow between your tenant >> network and your Ceph network, and as long as both sets of machines can see >> the Juju controller, they can exchange messages and traffic. >> >> Mark >> > > > Dear Mark, > > On relation join event we may create a new ceph storage pool dedicated to > the incoming unit (i.e. prefixed with the controller/model/unit/charm name > by default). Can cephx proto > > Regarding networking openstack neutron by default block traffic from > tenant VM to the admin network which it required to access the same ceph > mon/osd. It requires changing neutron or implement an external nat for > instance (our solution at the moment) > > Patrizio > > >
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