SnapRAID stores parity information of your data and it recovers from up to six disk failures.
It is mainly targeted for a home media center, with a lot of big files that rarely change.
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.