backup fails on 'lost+found' folders
When having uploads and/or artifacts one a dedicated ext4 partition, backup aborts due to insufficient permissions on the special (and always present) lost+found
folder
# gitlab-rake gitlab:backup:create
...
Dumping artifacts ...
tar: ./lost+found: Cannot open: Permission denied
tar: Exiting with failure status due to previous errors
Backup failed
gitlab-ce-8.7.4-ce.0.el7.x86_64