Ceph Crush Rule Create
Create a Ceph Controlled Replication Under Scalable Hashing (CRUSH) Rule that can be later associated with a Ceph pool. Ceph CRUSH rules determine data placement for the associated pool. CRUSH algorithms determine how to store and retrieve data by computing data storage locations.
Navigation: Scale-out Block & Object Storage --> Ceph Cluster --> Ceph Profiles --> Create Pool Profile (toolbar)
https://docs.ceph.com/docs/master/rados/operations/crush-map/