Will I be prompted when the storage space is full or insufficient?

There will be notifications in both DJI Pilot 2 and DJI FlightHub 2 if the storage space is full or insufficient.

Related Questions

How much storage does the DJI Osmo 360 have?

The DJI Osmo 360 has 128GB built-in storage (105GB usable).

What types of external hard drives are supported by Manifold 3's USB-C interface?

It supports USB-C flash drives and portable SSDs, and can also connect USB-A external hard drives via a USB-C OTG cable.

Does my Heliguy rental include an SD card?

No, heliguy™ rentals do not come with any external SD cards.