I have now tested some things.
1) all my nodes have been restarted
3) it mounts, but it shows all contents with ???:
root@blake:/mnt/pve/BackupData35# ls -lah
ls: cannot access 'template': Stale file handle
ls: cannot access 'longtime': Stale...
Have 4 node setup (1 node is just a miniPC for management).
one node has ZFS volume with shared folder over NFS that other nodes use.
After upgrade other nodes cannot access the NFS anymore. They kinda mount it and show files with "?" in...
For last 15 years i have been running all server swapless. There is no point to delay inevitable - if you are out of ram , you are out of ram. It will make everything slow, trash the hard drives (now we have ssd/nvme that actually wear out...
Have you verified that it gets indeed stuck? Have you tried to connect to the machine via network, e.g. ssh to it or just ping it?
Maybe just the display output freezes.
Since you are using a Nvidia card, please try setting the nomodeset kernel...
Thanks. this was it "indeed stuck" made me rethink everything.
Switched to AMD 6600XT as it was quick way to find out and it worked straight away. There was additional problem going on - after installing pve kernel my network adapter changed...
x470 Prime Pro
AMD Ryzen 3900
4x32GB DDR4 3600Mhz
RTX4060/GT730/RTX4070 ( tried multiple)
Will get stuck after installing pve kernel:
List of kernels. If i boot any other it works.
This is debian 12 install, fully updated and following wiki