/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *121.3 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_CoreStorage Macintosh HD 121.0 GB disk0s2
3: Apple_Boot Boot OS X 134.2 MB disk0s3
/dev/disk1 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *1.0 TB disk1
1: EFI EFI 209.7 MB disk1s1
2: Apple_CoreStorage Macintosh HD 441.9 GB disk1s2
3: Apple_Boot Recovery HD 650.0 MB disk1s3
4: Apple_Boot 650.0 MB disk1s7
/dev/disk2 (internal, virtual):
#: TYPE NAME SIZE IDENTIFIER
0: Apple_HFS Macintosh HD +557.0 GB disk2
Logical Volume on disk0s2, disk1s2
B28332B7-3013-4A56-9F9D-1EA773F5A0C7
Unencrypted Fusion Drive
/dev/disk3 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *15.6 GB disk3
1: EFI EFI 209.7 MB disk3s1
2: Apple_HFS Install macOS High S... 15.3 GB disk3s2