diskutil eraseDisk exfat Sans\ titre mbr disk2 ; diskutil list disk2
Started erase on disk2
Unmounting disk
Error: -69877: Couldn't open device
/dev/disk2 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *250.1 GB disk2
1: Windows_NTFS Sans titre 250.1 GB disk2s1