That depends on which features of Ceph you're using. RadosGW supports replication. It's not real time, but it's near real time. Everything in my primary cluster is copied to my secondary within a few minutes. Take a look at http://ceph.com/docs/master/radosgw/federated-config/ . The details of disaster recovery is still being figured out.
For RDB, people have been rolling their own using incremental snapshots: http://ceph.com/dev-notes/incremental-snapshots-with-rbd/ . It's not real time, and it's up to you how often it runs. There currently isn't a backup tool for CephFS. CephFS is a POSIX filesystem, so your normal tools should work. It's a really large POSIX filesystem though, so normal tools may not scale well. There's no generic replication tool for RADOS itself. If you're using librados directly, you'll have to build your own replication system. On Mon, Aug 4, 2014 at 10:16 AM, Patrick McGarry <[email protected]> wrote: > This is probably a question best asked on the ceph-user list. I have > added it here. > > > Best Regards, > > Patrick McGarry > Director Ceph Community || Red Hat > http://ceph.com || http://community.redhat.com > @scuttlemonkey || @ceph > > > On Mon, Aug 4, 2014 at 2:17 AM, Santhosh Fernandes > <[email protected]> wrote: > > Hi all, > > > > Do we have continuous access or remote replication feature in ceph ? > When > > we can get this functionality implemented? > > > > Thank you. > > > > Regards, > > Santhosh > > > > > > _______________________________________________ > > Ceph-community mailing list > > [email protected] > > http://lists.ceph.com/listinfo.cgi/ceph-community-ceph.com > > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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