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Hi,
We have a smallish Ceph cluster for RBD images. We use snapshotting for local incremental backups. I would like to start sending some of these snapshots to an external cloud service (likely Amazon) for disaster recovery purposes. Does anyone have advice on how to do this? I suppose I could just use the rbd export/diff commands but some of our RBD images are quite large (multiple terabytes) so I can imagine this becoming quite inefficient. We would either need to keep all snapshots indefinitely and retrieve every single snapshot to recover or we would have to occasionally send a new full disk image. I guess doing the backups on the object level could potentially avoid these issues, but I am not sure how to go about that. Any advice is greatly appreciated. Thanks, Brendan |
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