Is possible, and
you can install omv dietpi orangepi , whether you how.
thank you for an replay.

Hi frankz,

Official supported, no. Please have a look:

But you can try this:

Doing this, is high experimental, only for testing propose.
No all feature will be working, especially plugins. Boot up will be very slow.
And after this, you will loose many DietPi feature and software options.