gpt show disk0
:gpt show disk0
-bash-3.2# gpt show disk0
start size index contents
0 1 PMBR
1 1 Pri GPT header
2 32 Pri GPT table
34 6
40 3929560 1 GPT part - 48465300-0000-11AA-AA11-00306543ECAC
3929600 262151
4191751 32 Sec GPT table
4191783 1 Sec GPT header
40 3929560 1 GPT part - 48465300-0000-11AA-AA11-00306543ECAC
Est-ce que tu as une sauvegarde du volume Macintosh HD (62 Go de données) sur un disque externe ?
hdiutil info
MacBook-Pro-de-Grandiere:~ Hash$ hdiutil info
framework : 480.50.10
driver : 10.13v480.50.10
-bash-3.2# hdiutil info
framework : 480.50.10
driver : 10.13v480.50.10
images : 19
================================================
image-path : ramfile://485202034
shadow-path : <none>
icon-path : <none>
image-type : <unknown>
system-image : false
blockcount : 4191784
blocksize : 512
writeable : TRUE
autodiskmount : <unknown>
removable : false
image-encrypted : <false>
mounting user : root
mounting mode : <unknown>
process ID : <in-kernel>
/dev/disk0 GUID_partition_scheme
/dev/disk0s1 48465300-0000-11AA-AA11-00306543ECAC /
image-path : ramfile://485202034
...........
blockcount : 4191784
diskutil ap deleteContainer disk2
diskutil eraseDisk jhfs+ "Macintosh HD" disk0
diskutil list
-bash-3.2# diskutil eraseDisk jhfs+ "Macintosh HD" disk0
Started erase on disk0
Unmounting disk
Error: -69888: Couldn't unmount disk
diskutil umountDisk force disk0
-bash-3.2# diskutil list
/dev/disk0 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme +2.1 GB disk0
1: Apple_HFS OS X Base System 2.0 GB disk0s1
/dev/disk1 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *251.0 GB disk1
1: EFI EFI 209.7 MB disk1s3
2: Apple_HFS Untitled 250.7 GB disk1s1