snapshot backup

Hey guys. I accidentally delete a snapshot VM. How can I restore this snapshot?

When I create a snapshot of a VM: a) is that a backup? b) will it back up all my virtual disks? E.g., If I have a virtualized storage server will it back up the vdi that I set up for bulk storage along with the boot vdi? Thanks.

Coming from this thread: https://forum.proxmox.com/threads/understanding-storage-requirements-for-snapshots.128444/ I'm looking for a way to do backups of running VMs without downtime. The idea is to have a full backup, that can be moved to other parts of a cluster, or different proxmox...

Is it possible to somehow disable the call to guest-agent fsfreeze when performing a snapshot backup? Despite the update to latest Proxmox VE 7.3-4 and opt-in 5.19.17-2-pve kernel, I'm still having the issue where the fsfreeze command blocks the guest filesystem and there's no solution except...