Describe the issue: Configurations are setting by using ansible-playbook which is not supported ceph 5.0 Describe the task you were trying to accomplish: Tuning Ceph BlueStore for small writes Suggestions for improvement: Provide the commands which support for the ceph 5 version Document URL: https://access.redhat.com/documentation/en-us/red_hat_ceph_storage/5/html-single/administration_guide/index?lb_target=preview#tuning-ceph-bluestore-for-small-writes_admin Chapter/Section Number and Title:1- 9.6. Tuning Ceph BlueStore for small writes 2-9.5. Adding Ceph BlueStore OSDs Product Version: ceph 5.0 Environment Details: Any other versions of this document that also needs this update: Additional information: