diskutil CS commands

macrocosm:~ rstasel$ diskutil cs list
CoreStorage logical volume groups (1 found)
|
+-- Logical Volume Group 3BEAC045-1FDB-44B3-9A8F-03ADBB5CCF80
    =========================================================
    Name:         Macintosh HD
    Status:       Online
    Size:         1120333979648 B (1.1 TB)
    Free Space:   114688 B (114.7 KB)
    |
    +-< Physical Volume FCF61D29-6E8B-4378-93B4-00850283774A
    |   ----------------------------------------------------
    |   Index:    0
    |   Disk:     disk2s2
    |   Status:   Online
    |   Size:     120988852224 B (121.0 GB)
    |
    +-< Physical Volume 4BFC45A4-ECAA-4356-9808-E81D035FEABC
    |   ----------------------------------------------------
    |   Index:    1
    |   Disk:     disk3s2
    |   Status:   Online
    |   Size:     999345127424 B (999.3 GB)
    |
    +-> Logical Volume Family 6D7C43CE-55CA-458D-935D-DDA82CC1524D
        ----------------------------------------------------------
        Encryption Status:       Locked
        Encryption Type:         None
        Conversion Status:       Converting
        Conversion Direction:    backward
        Has Encrypted Extents:   Yes
        Fully Secure:            No
        Passphrase Required:     No
        |
        +-> Logical Volume EE55F6CC-83AA-4B5F-8E4B-E6C20C68C1B2
            ---------------------------------------------------
            Disk:                  -none-
            Status:                Locked
            Size (Total):          1111826497536 B (1.1 TB)
            Conversion Progress:   -none-
            Revertible:            No
            LV Name:               Macintosh HD
            Content Hint:          Apple_HFS


macrocosm:~ rstasel$ diskutil cs unlockVolume EE55F6CC-83AA-4B5F-8E4B-E6C20C68C1B2 -passphrase
Passphrase:
Started CoreStorage operation
Logical Volume successfully unlocked
Error: -69774: Couldn't bring the new Core Storage Logical Volume online


macrocosm:~ rstasel$ diskutil cs revert EE55F6CC-83AA-4B5F-8E4B-E6C20C68C1B2 -passphrase 3462167
Started CoreStorage operation
Error: -69746: This operation can only be performed if there is exactly one Core Storage physical volume present in the group