I have a suggestion for OMV4.
It would be super nice to have a button to perform a SMART check directly without being forced to create a "plan" for this.
It would be nice too, to have for example an option to rsync 2 drives or directories directly. Also, without being forced to create a plan for this.
For the moment I prefere to use SSH rsync than always being forced to create a plan for this which will be executed because of the cron timer.