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HA in Proxmox LXC

Create CT

  • Hostname: hassio
  • Template: debian-10-standard..
  • Root Disk:
    • Storage: local-zfs
    • Disk size (GiB): 2
    • Mount optionas: noatime
  • CPU: 1
  • Memory:
    • Memory (MiB): 512
    • Swap (MiB): 512

Options

  • Unprivileged container: Yes
  • Features: Nesting, keyctl (needed to run Docker in unprivileged container)

Resources

Docker cannot use features of ZFS filesystem and it failsback to very inefficient vfs storage driver. To workaround, Docker needs well supported filesystem.

  • Add
    • Mountpoint
      • Storage: local (DIR type storage, to emulate any block device in file)
      • Disk size (GiB): 2
      • Path: /var/lib/docker
      • Mount options: noatime