/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *250.1 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_CoreStorage Mandalay 249.1 GB disk0s2
3: Apple_Boot Recovery HD 784.2 MB disk0s3
/dev/disk1 (internal, virtual):
#: TYPE NAME SIZE IDENTIFIER
0: Apple_HFS Mandalay +248.7 GB disk1
Logical Volume on disk0s2
29FD3259-9FEF-4920-AB02-C436567391B7
Unlocked Encrypted
/dev/disk2 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *1.0 TB disk2
1: EFI EFI 209.7 MB disk2s1
2: Apple_HFS Backup 999.9 GB disk2s2
3: Apple_Boot Boot OS X 134.2 MB disk2s3