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> *From:* ceph-users [ceph-users-boun...@lists.ceph.com] on behalf of
> giris
Hi, I have a question regarding CRUSH algorithm - please let me know how
this works. CRUSH paper talks about how given an object we select OSD via
two mapping - first one is obj to PG and then PG to OSD.
This PG to OSD mapping is something i dont understand. It uses pg#, cluster
map, and placement
