having same issue upgrading to mojave but it seems something in the post is missing regarding the actual "fix."
/dev/disk0 (internal):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme 1.0 TB disk0
1: EFI EFI 314.6 MB disk0s1
2: Apple_CoreStorage Macintosh HD 999.6 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s3
/dev/disk1 (internal, virtual):
#: TYPE NAME SIZE IDENTIFIER
0: Apple_HFS Macintosh HD +999.2 GB disk1
Logical Volume on disk0s2
670680FF-C17B-4461-AA9D-885D254AC496
Unlocked Encrypted
diskutil cs list
CoreStorage logical volume groups (1 found)
|
+-- Logical Volume Group 3B3B9D77-C2A4-4C47-BEA1-227E6F59881C
=========================================================
Name: Macintosh HD
Status: Online
Size: 999590961152 B (999.6 GB)
Free Space: 106496 B (106.5 KB)
|
+-< Physical Volume 9680F434-848B-48A2-ACB5-580AD29B8A01
| ----------------------------------------------------
| Index: 0
| Disk: disk0s2
| Status: Online
| Size: 999590961152 B (999.6 GB)
|
+-> Logical Volume Family EF8E398D-2B20-4181-B170-F89F570DC2C1
----------------------------------------------------------
Encryption Type: AES-XTS
Encryption Status: Unlocked
Conversion Status: Complete
High Level Queries: Fully Secure
| Passphrase Required
| Accepts New Users
| Has Visible Users
| Has Volume Key
|
+-> Logical Volume 670680FF-C17B-4461-AA9D-885D254AC496
---------------------------------------------------
Disk: disk1
Status: Online
Size (Total): 999234322432 B (999.2 GB)
Revertible: Yes (unlock and decryption required)
LV Name: Macintosh HD
Volume Name: Macintosh HD
Content Hint: Apple_HFS
diskutil cs list
CoreStorage logical volume groups (1 found)
|
+-- Logical Volume Group 3B3B9D77-C2A4-4C47-BEA1-227E6F59881C
=========================================================
Name: Macintosh HD
Status: Online
Size: 999590961152 B (999.6 GB)
Free Space: 106496 B (106.5 KB)
|
+-< Physical Volume 9680F434-848B-48A2-ACB5-580AD29B8A01
| ----------------------------------------------------
| Index: 0
| Disk: disk0s2
| Status: Online
| Size: 999590961152 B (999.6 GB)
|
+-> Logical Volume Family EF8E398D-2B20-4181-B170-F89F570DC2C1
----------------------------------------------------------
Encryption Type: AES-XTS
Encryption Status: Unlocked
Conversion Status: Complete
High Level Queries: Fully Secure
| Passphrase Required
| Accepts New Users
| Has Visible Users
| Has Volume Key
|
+-> Logical Volume 670680FF-C17B-4461-AA9D-885D254AC496
---------------------------------------------------
Disk: disk1
Status: Online
Size (Total): 999234322432 B (999.2 GB)
Revertible: Yes (unlock and decryption required)
LV Name: Macintosh HD
Volume Name: Macintosh HD
Content Hint: Apple_HFS