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I had a power outage the other day, and now when I boot one of my VMs, I get file system errors. Unfortunately, fsck from the host doesn't work, it complains about an invalid superblock: root@pve:~# fsck /dev/mapper/pve-vm--101--disk--0 fsck from util-linux 2.36.1 e2fsck 1.46.2 (28-Feb-2021)...

Basically, I borrowed these instructions from serverfault.com. But once I got to the fsck step I started getting errors like `ext2fs_open2: Bad magic number in super-block`. Are these steps necessary for the thin pool? There's no filesystem for it to resize, is there? It shows the correct size...

I have qemu-guest-agent installed and enabled. Is there something else needed for memory ballooning to work correctly on Alpine? I'm seeing 96%+ RAM utilization with no effect.