Technically I think there is no reason why you couldn’t do this, but I think it is unadvisable. There was a similar thread a while back where somebody had done this and it caused problems when he was trying to do maintenance/recovery further down the line. I’m assuming you want to do this because you have already created a pool with the max number of PG’s per OSD and extra pools would take you further over this limit? If it’s the case I would just bump up the limit, it’s not worth the risk. From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of David Turner Can cephfs and rbds use the same pool to store data? I know you would need a separate metadata pool for cephfs, but could they share the same data pool?
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