node freeze

Hello, im new to proxmox and im facing a problem, and i don't even know where to start to solve it. proxmox freezes completley and becomes unresponsive and all virtual machine are also unresponsive. My setup : ASUS prime b550m-a, 48 GB ram, 250 GB nvme boot drive, 1tb ssd -> lvm 2 * 1tb -> zfs...

Hi, I have two nodes running proxmox pve. The one is running version 4.4 for some years now and is rock solid. Never freeze and always responding. I tried upgrading it last year to version 7.1 but I immediately notice that after the upgrade I was getting very frequently freezes so I reverted...