You may be able to use replication. Here is a site showing a good example of how to set it up. I have not tested replicating within the same datacenter, but you should just be able to define a new zone within your existing ceph cluster and replicate to it.
http://cephnotes.ksperis.com/blog/2015/03/13/radosgw-simple-replication-example
From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of Konstantin Ivanov
Sent: Thursday, May 28, 2015 1:44 AM
To: ceph-users@xxxxxxxxxxxxxx
Subject: radosgw backup
Hi everyone.
I'm wondering - is there way to backup radosgw data?
What i already tried.
create backup pool -> copy .rgw.buckets to backup pool. Then i delete object via s3 client. And then i copy data from backup pool to .rgw.buckets. I still can't see object in s3 client, but can get it via http by early known url.
Questions: where radosgw stores info about objects - (how to make restored object visible from s3 client)? is there best way for backup data for radosgw?
Thanks for any advises.
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