ZimaCube Pro - How do you reconfigure storage?

You can use sudo diskutil zeroDisk /dev/rdiskN on MacOSX as a equivalent to wipefs on Linux. If you want true secure erase then use: sudo diskutil [0-4] secureErase /dev/rdiskN
The security levels are:

        0 - Single-pass zeros.
        1 - Single-pass random numbers.
        2 - US DoD 7-pass secure erase.
        3 - Gutmann algorithm 35-pass secure erase.
        4 - US DoE 3-pass secure erase.