Bloc de code:
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *1.0 TB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_APFS Container disk1 1000.0 GB disk0s2
/dev/disk1 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +1000.0 GB disk1
Physical Store disk0s2
1: APFS Volume Macintosh HD 80.0 GB disk1s1
2: APFS Volume Preboot 44.8 MB disk1s2
3: APFS Volume Recovery 510.3 MB disk1s3
4: APFS Volume VM 5.4 GB disk1s4
/dev/disk2 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *250.1 GB disk2
1: EFI EFI 209.7 MB disk2s1
2: Apple_APFS Container disk8 249.8 GB disk2s2
/dev/disk8 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +249.8 GB disk8
Physical Store disk2s2
1: APFS Volume Macintosh SSD 843.8 KB disk8s1
Erreur de ma part, j'ai dû le débrancher car même en cliquant sur ejecter, il restait là.