$ diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *121.3 GB disk0
1: EFI EFI 314.6 MB disk0s1
2: Apple_APFS Container disk2 121.0 GB disk0s2
/dev/disk1 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *2.0 TB disk1
1: EFI EFI 209.7 MB disk1s1
2: Apple_APFS Container disk2 2.0 TB disk1s2
/dev/disk2 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +2.1 TB disk2
Physical Stores disk0s2, disk1s2
1: APFS Volume 2to FusionDrive iMac... 1.1 TB disk2s1
2: APFS Volume Preboot 328.3 MB disk2s2
3: APFS Volume Recovery 613.6 MB disk2s3
4: APFS Volume VM 6.4 GB disk2s4
5: APFS Volume 2to FusionDrive iMac5k 15.0 GB disk2s5
6: APFS Snapshot com.apple.os.update-... 15.0 GB disk2s5s1
/dev/disk3 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *3.0 TB disk3
1: EFI EFI 209.7 MB disk3s1
2: Apple_HFS WD3ToBlack 3.0 TB disk3s2
/dev/disk4 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *4.0 TB disk4
1: EFI EFI 209.7 MB disk4s1
2: Apple_APFS Container disk6 4.0 TB disk4s2
/dev/disk5 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme +2.1 TB disk5
1: EFI EFI 209.7 MB disk5s1
2: Apple_HFS Copies de sauvegarde... 2.1 TB disk5s2
/dev/disk6 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +4.0 TB disk6
Physical Store disk4s2
1: APFS Volume WD4ToRed 1.3 TB disk6s1