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Yes, I have this from some time ago when a VM disk corrupted after a node crashed unexpectedly (hardware issue) so I was a bit paranoid, but now thinking about it, I think it makes no sense since the same could happen regardless.

I migrated the guests back to the node, the issue persisted overnight. However, the next morning when I checked, it appears that the problem had resolved itself. All three VMs are running Windows Server 2022. They handle minimal load, primarily a MySQL database and a process that typically...

It happened again, but I couldn't find anything unusual in the syslog. So it happened at 06:00 and now at 18:00, some kind of ajob that runs every 12h? the issue is that the other nodes are identical and nothing is happening there.

now I checked and it seems that every time this happened it started at 06:00, I have a backup job (snapshot) at 02:00 I don't have any cronjobs that happen at 06:00 besides the hourly "sync; echo 3 > /proc/sys/vm/drop_caches" Edit: checked syslog around the time it started happening, besides...

It is KVM, it was high for all 3 vms although the VM CPU was not high in itself. I have upgraded from proxmox 7 to 8 and didn't restart the node (same on all nodes), I migrated the VMs and restarted the node and the issue is gone for now.

Hello, this happened again today on the same node, node CPU at 50% while the 3 VMs have very low CPU usage (~5%), however, pausing and resuming the VMs didn't help this time. I also tried systemctl restart pveproxy pvedaemon with no avail. pveversion: proxmox-ve: 8.2.0 (running kernel...

Just reporting that this just happened to me on one node, pausing and resuming the VM resolved the issue. pveversion: proxmox-ve: 8.2.0 (running kernel: 6.8.8-2-pve) pve-manager: 8.2.4 (running version: 8.2.4/faa83925c9641325) proxmox-kernel-helper: 8.1.0 pve-kernel-5.15: 7.4-14...

OK now after pressing control + D the system boots

one of my Ceph cluster nodes is stuck at boot (screenshot uploaded) after a power outage, the server can boot into recovery mode and I have access to the terminal, but I am not sure why it is not booting in the normal mode. Any idea what might be causing this? Let me know if there are some logs...

@fabian Thanks for your help, copying all boot files and installing grub on a USB drive resolved the issue!

OK, I will try this and report! Thanks for the help for now!

OK, any idea how would I do that? Are there any docs out there I could read on/follow? I am trying to save these servers without having to reinstall (avoiding that at all costs :D)

Indeed I am using a hardware Raid10 (16 x 900GB SAS disks with a Dell PERC H710 controller), this configuration has been working for a year without any issue, until the last update, 3 of the 5 servers I restarted were stuck at grub rescue. I would be interested in those 2 solutions, however, I...

multiple grub installs, config changes..etc with no help. I don't want to reinstall the OS, I have a lot of data that I'd need to migrate on at least 3 servers, so I would rather fix this issue instead.

I am hoping that there is a way to fix this without having to reinstall proxmox, I have multiple VMs on these servers that would take forever to recover

Half of my servers are stuck at grub rescue after the latest update (pve-manager/7.2-11/b76d3178 kernel 5.15.60-1-pve) and I am afraid to even restart the other servers. I spent all day yesterday and today trying to fix the grub issues to no avail, I tried this...