Hi Alex, We are using ceph mostly for shared filesystem with cephfs. As well as some rbd images for docker volumes and a little s3 data. I have been looking for a plan that can backup datas on rados level. But maybe I should backup data seperately.
Thanks for the reply. Alex Gorbachev <[email protected]> 于2018年12月18日周二 上午8:45写道： > On Thu, Dec 13, 2018 at 5:01 AM Zhenshi Zhou <[email protected]> wrote: > > > > Hi all, > > > > I'm running a luminous cluster with tens of OSDs and > > the cluster runs well. As the data grows, ceph becomes > > more and more important. > > > > What worries me is that many services will down if the > > cluster is out, for instance, the engine room is out of > > electric or all ceph node are down at the same time, maybe. > > > > Is there a best practice on remote disaster recovery? > > I wanna backup the whole ceph cluster so that the services > > will come back online asap if the cluster is down. > > > > Thanks > > _______________________________________________ > > ceph-users mailing list > > [email protected] > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > I would look into: > > - RBD mirroring if using RBD > > - Application level backups and remote replication (or Proxmox, > OpenStack etc, whatever you are using) to be aware of data consistency > > - Export and import Ceph images > > All depends on what are the applications, what are RTO and RPO > requirements, how much data, what distance, what is the network > bandwidth > > -- > Alex Gorbachev > Storcium >
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