After the system crashed even in rescue mode w/o PVE running I concluded that it must be a hardware issue and had the server replaced. This solved the problem.
Thanks for the answers!
Thanks for your reply!
The problem persists.
The system has all the latest updates applied to it (up to today).
So far I have had two crashes today (after multiple days w/o):
1. Upon starting a VM during the reboot after switching off balooning for RAM. Beforehand I restarted the same VM...
We reduced the swappiness to 1, so it only uses swap space when RAM is full—works for us.
You should benchmark if this actually does any good for your setup.
Problem
When starting a VM the host occasionally crashes.
/var/log/syslog and /var/log/daemon do not seem to show suspicious activities.
We have tried reinstalling the host once—which yielded no improvement.
The next thing we will try is checking for hardware problems.
Has anybody else...
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