C'est formaté mais j'ai eu une erreur à la fin :
Started erase on disk0s2 Macintosh HD
Unmounting disk
Erasing
newfs_hfs: WriteBuffer: pwrite(3, 0x107c5f000, 1048576, 0): Input/output error
newfs_hfs: write (sector 0): Invalid argument
Mounting disk
Could not mount disk0s2 with name Macintosh...