Both Fresh installation and Upgrade ( 8.0z3 --> 8.1) is failing with "PyO3 modules compiled for CPython 3.8 or older may only be initialized once per interpreter process"
This bug is a significant concern for teams relying on Cephadm for their Ceph deployments, and its prompt resolution will be crucial to maintaining the stability and reliability of the system. https://www-ipass.com
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 (Important: Red Hat Ceph Storage 8.1 security, bug fix, and enhancement updates), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHSA-2025:9775