So, and now for the resolution (at least for me on PVE 9):
1. The problem seems mostly be down to a problem in time setup (i.e. when time once runs backwards, it ruins the RRD database).
2. Some of the given commands were wrong and / or...
Es ist ja völlig in Ordnung, wenn dein Setup in deinem Umfeld gut funktioniert. Das stellt auch niemand in Frage. Hat aber mit dem Workload des TE nichts zu tun. Deine Werte sind auch in Ordnung – aber sie zeigen nur, dass dein Setup unter diesen...
As always, it primarily depends on the underlying hardware (CPU/BIOS patch level).
The Intel Xeon E5-2630 v4 is 10 years old (and as new not very fast...) :rolleyes::oops:
ok for anyone else who did what I did, I managed to fix it by doing the following:
1. Check the LVM Configuration
First, confirm whether the Logical Volume (LV) is still available on the system.
Run the following commands on your Proxmox host...