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
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.gall@xxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxx
> 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.gall@xxxxxxxxxxxxxxxxxx
www.tu-chemnitz.de
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