Hi Philipp, 2015-11-30 14:36 GMT+08:00 Philipp Marek <philipp.ma...@linbit.com>: > Hi Hao Wang, > >> In fact, there is a reason that I ask this question. Recently I have a >> confusion about if cinder should provide the ability of Disaster >> Recovery to storage resources, like volume. I mean we have volume >> replication v1&v2, but for DR, specially DR between two independent >> OpenStack sites(production and DR site), I feel we still need more >> features to support it, for example consistency group for replication, >> etc. > I'm currently developing consistency groups for the DRBD volume driver. > > > The only way it can do replication *is* for a consistency group as a whole, > so that feature will be available soonish - if you don't care that > Cinder/Openstack knows nothing about the ongoing replication. > Yes, recently I have some ideas about the DR, including the CG of replication. And I heard a different voice that we maybe shouldn't introduce DR into cinder, but on top of cinder, like another new project to focus on DR. So I want to get some opinions from our guys. > >> I'm not sure if those features belong in Cinder or some new >> project for DR. > IMO this belongs to Cinder.
This is my point of view too, I think Cinder should provide the basic and atomical API to support DR function, of course the orchestration of DR process could be in Heat or some DR management system. > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev