Hello fellow OMV users, good to be on board!
In regards to snapraid, there should be a -H switch, IMO, on by default.
If it's there, I didn't see it.
Basically -h is "pre-hash" it takes a short time (MUCH shorter than a post calculation verify) and is just a smart idea.
It calculates a hash, twice, before writing it to the parity data. Since most users here don't use ECC ram, as OMV is great on 'old hardware', this is a (near) sure fire way to ensure you don't store "bad parity data".
Naturally, I can jump in and triger it via command shell, but a simple tick box for "double check hash before calculating" or something, which adds a -h to the Sync command should be a thing.
Yes? no?