Note that enabling rbd mirroring means taking a hit on IOPS performance, just think of it as a x2 overhead mainly on IOPS. But it does work very well for disaster recovery scenarios if you can take the performance hit.
Paul -- Paul Emmerich Looking for help with your Ceph cluster? Contact us at https://croit.io croit GmbH Freseniusstr. 31h 81247 München www.croit.io Tel: +49 89 1896585 90 On Wed, Jul 24, 2019 at 4:18 PM Tobias Gall <tobias.g...@hrz.tu-chemnitz.de> wrote: > Hallo, > > what about RGW Replication: > > https://ceph.com/geen-categorie/radosgw-simple-replication-example/ > http://docs.ceph.com/docs/master/radosgw/multisite/ > > or rdb-mirroring: > > http://docs.ceph.com/docs/master/rbd/rbd-mirroring/ > > Regards, > Tobias > > Am 24.07.19 um 13:37 schrieb Fabian Niepelt: > > Hello ceph-users, > > > > I am currently building a Ceph cluster that will serve as a backend for > > Openstack and object storage using RGW. The cluster itself is finished > and > > integrated with Openstack and virtual machines for testing are being > deployed. > > Now I'm a bit stumped on how to effectively backup the Ceph pools. > > My requirements are two weekly backups, of which one must be offline > after > > finishing backing up (systems turned powerless). We are expecting about > 250TB to > > 500TB of data for now. The backups must protect against accidental pool > > deletion/corruption or widespread infection of a cryptovirus. In short: > Complete > > data loss in the production Ceph cluster. > > > > At the moment, I am facing two issues: > > > > 1. For the cinder pool, I looked into creating snapshots using the ceph > CLI (so > > they don't turn up in Openstack and cannot be accidentally deleted by > users) and > > exporting their diffs. But volumes with snapshots created this way > cannot be > > removed from Openstack. Does anyone have an idea how to do this better? > > Alternatively, I could do a full export each week, but I am not sure if > that > > would be fast enough.. > > > > 2. My search so far has only turned up backing up RBD pools, but how > could I > > backup the pools that are used for object storage? > > > > Of course, I'm also open to completely other ideas on how to backup Ceph > and > > would appreciate hearing how you people are doing your backups. > > > > Any help is much appreciated. > > > > Greetings > > Fabian > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > -- > Tobias Gall > Facharbeitsgruppe Datenkommunikation > Universitätsrechenzentrum > > Technische Universität Chemnitz > Straße der Nationen 62 | R. B302A > 09111 Chemnitz > Germany > > Tel: +49 371 531-33617 > Fax: +49 371 531-833617 > > tobias.g...@hrz.tu-chemnitz.de > www.tu-chemnitz.de > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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