Fixing Disk Corruption in LXC Containers
Found here: https://forum.proxmox.com/threads/broken-filesystem-in-lxc.38921/ LXC-Containers which were running on the hosts during crash, filesystem errors are displayed and look like this (on host and in LXC): Shut down the LXC and try to repair the filesystem with e2fsck: Broken inodes found and fixed.