[CODE]/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *512.1 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_APFS Container disk1 511.9 GB disk0s2
/dev/disk1 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +511.9 GB disk1
Physical Store disk0s2
1: APFS Volume Macintosh HD 15.3 GB disk1s1
2: APFS Snapshot com.apple.os.update-... 15.3 GB disk1s1s1
3: APFS Volume Macintosh HD - Données 169.6 GB disk1s2
4: APFS Volume Preboot 311.7 MB disk1s3
5: APFS Volume Recovery 623.2 MB disk1s4
6: APFS Volume VM 3.2 GB disk1s5[/CODE]
Bon, tout semble OK, ou bien ?