> I think the problem being referred to in this thread is that the backup code > assumes the *source* is a raw volume. The destination (i.e. swift) should > absolutely remain universal across all volume back-ends - a JSON list with > pointers. The JSON file is versioned, so there is scope to add more to it > (like we > did volume metadata), but I don't want to see QCOW or similar going into > swift.
I agreed with Duncan. I will finish the spec for it within the next few days. ---------- zhangleiqiang (Trump) Best Regards > -----Original Message----- > From: Duncan Thomas [mailto:duncan.tho...@gmail.com] > Sent: Wednesday, May 28, 2014 9:41 PM > To: OpenStack Development Mailing List (not for usage questions) > Subject: Re: [openstack-dev] [Cinder] Qcow2 support for cinder-backup > > On 18 May 2014 12:32, Murali Balcha <murali.bal...@triliodata.com> wrote: > > Hi, > > I did a design session on Friday though my proposal was to capture the > > delta as qcow2. Here is the link to ether pad notes. > > > > https://etherpad.openstack.org/p/juno-cinder-changed-block-list > > > > > > Do you see synergies between what you are proposing and my proposal? > > Shouldn¹t we standardize on one format for all backups? I believe > > Cinder backup API currently uses JSON based list with pointers to all > > swift objects that make up the backup data of a volume. > > I think the problem being referred to in this thread is that the backup code > assumes the *source* is a raw volume. The destination (i.e. swift) should > absolutely remain universal across all volume back-ends - a JSON list with > pointers. The JSON file is versioned, so there is scope to add more to it > (like we > did volume metadata), but I don't want to see QCOW or similar going into > swift. > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev _______________________________________________ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
