When a node in the Proxmox VE cluster is damaged and cannot be quickly repaired, it is necessary to cleanly remove the faulty node from the cluster and clear out any residual information. Otherwise, a new node using the same…

Once a Proxmox VE cluster is created, its name is fixed. In the Proxmox VE Web management interface, there is no menu or button to modify the cluster name (only options to change the virtual machine name were found). In…

The issue is due to the VM disk format, as the raw format does not support snapshots. You need to convert the raw format image to qcow2 format to take snapshots.

The FQDN of the work node (the hostname (FQDN) entered during the PVE system installation) must be different from the master node and the names cannot be the same.

1. Reflect on Recent Actions: Consider any recent changes you might have made, such as mounting storage or shutting down VMs. 2. Check pvestatd Service: The pvestatd service is responsible for the node status in PVE. Try restarting this service.…

Proxmox servers suddenly can’t start, with the following error message: kvm: -drive file=/dev/pve/vm-400-disk-0,if=none,id=drive-scsi0,format=raw,cache=none,aio=io_uring,detect-zeroes=on: Could not open ‘/dev/pve/vm-400-disk-0′: No such file or directory TASK ERROR: start failed: QEMU exited with code 1 Checking the /dev/pve/ directory in the system shows it’s empty. The…