The default storage backend for Docker on CentOS is overlay2 since
some time already. Switch to using that by formatting docker storage
volume as xfs, mounting it to /var/lib/docker and using the default
storage configuration.
Also fix error detection in preparing pool VM, where unreachable host
would pass without error.
The default storage backend for Docker on CentOS is overlay2 since some time already. Switch to using that by formatting docker storage volume as xfs, mounting it to /var/lib/docker and using the default storage configuration.
Also fix error detection in preparing pool VM, where unreachable host would pass without error.