Historically we have sometimes had health warnings for things like too few OSDs, PGs, PGs in peering/creating state, that would appear even on a perfectly healthy system while it was being set up.
Normal set up of a Ceph cluster should not trigger any health warnings or log messages at WRN or ERR.
You also need to check the cluster log for WARN or ERROR messages.
Yes, if there are no warnings or errors, you're good to go.
Verified on 12.2.0-3redhat1xenial
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.