server2 => { optional => 1 },
volume => { fixed => 1 },
transport => { optional => 1 },
- nodes => { optional => 1 },
+ nodes => { optional => 1 },
disable => { optional => 1 },
- maxfiles => { optional => 1 },
+ maxfiles => { optional => 1 },
+ 'prune-backups' => { optional => 1 },
content => { optional => 1 },
format => { optional => 1 },
mkdir => { optional => 1 },