Hi, my use case for Ceph is serving a central backup storage. This means I will backup multiple databases in Ceph storage cluster. This is my question: What is the best practice for creating pools & images? Should I create multiple pools, means one pool per database? Or should I create a single pool "backup" and multiple rbd images, means one rbd image per database? Or should I create a single pool "backup" and single rbd image "db"? This is the security demand that should be considered: DB-owner A can only modify the files that belong to A; other files (owned by B, C or D) are accessible for A. THX
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