pve 7.1.9

Hi All, I have a cluster of 4 nodes with Proxmox 7.1-9 and Ceph Pacific v.16.2.7. This weekend I would like to upgrade Proxmox to 7.3 and Ceph to Quincy(the latest version). My Ceph Cluster is made of 1 pool, consisting of 8xSSD to each nodes. The question are these: -The 7.3 PVE version is...