Last login: Mon Sep 3 08:31:31 on ttys000
MacBook-Pro-de-Florence-6:~ Flo$ diskutil eraseVolume free null disk2s4
Started erase on disk2s4
Unmounting disk
Error: -69825: Wiping volume data to prevent future accidental probing failed
MacBook-Pro-de-Florence-6:~ Flo$ diskutil resizeVolume disk2s3...