Description of problem:

https://access.redhat.com/documentation/en/red-hat-ceph-storage/2/single/installation-guide-for-red-hat-enterprise-linux#configuring_ceph_global_settings

step 10. Set the ceph_stable setting to true

in group_var/all it looks like below,

# COMMUNITY VERSION
#ceph_stable: true # use ceph stable branch
#ceph_stable_key: https://download.ceph.com/keys/release.asc
#ceph_stable_release: infernalis # ceph stable release
#ceph_stable_repo: "http://ceph.com/debian-{{ ceph_stable_release }}"

ceph_stable: true is for community version installation
ceph_stable_rh_storage: true is the equivalent to rh installation 

It doesn't affect the installation, but here in the context of rh installation, we shouldn't enable this.

I run without this option and it works perfect.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:
ceph_stable: true is not needed to rh installation

Additional info: