proxmox 6.4-4

Hello, first of all, sorry for my English as it is not my native language. With my Debian installations I add to the /etc/fsatb file the noatime and discard options on the root disk. My question is: Do I have to do the same in a Proxmox installation? Any help is greatly appreciated.

Hello, first of all, sorry for my English as it is not my native language. I have a problem with some Proxmox servers and memory RAM. The sum of the memory of all the virtual machines diverges a lot from the total of the Proxmox server. All virtual machines have QEMU Guest Agent installed...