TM disk being unencrypted - lost from sight...

Discussion in 'OS X Mavericks (10.9)' started by dakeeper14, Jul 23, 2014.

  1. dakeeper14, Jul 23, 2014
    Last edited: Jul 23, 2014

    dakeeper14 macrumors newbie

    Joined:
    Jul 23, 2014
    #1
    Hi.. I was unencrypting my TM back up disk volume (one of 3 on a 2TB My Passport) when the battery failed on the Macbook Pro. Doh. And now it doesnt show in disk utility or the TM Prefs menu as being in progress (it did before).

    it DOES show when i do diskutil cs list... (see below). this is all above my competence and wondering if this forum can help me recover the TM volume?

    Cheers, S

    Logical Volume Group AE8BF148-2A35-4C1E-8731-CA8E11DC3ED2
    | =========================================================
    | Name: Pro TM
    | Status: Online
    | Size: 1000000000000 B (1000.0 GB)
    | Free Space: 16777216 B (16.8 MB)
    | |
    | +-< Physical Volume 9865A799-800E-4FF5-B736-20F8173FF040
    | | ----------------------------------------------------
    | | Index: 0
    | | Disk: disk1s3
    | | Status: Online
    | | Size: 1000000000000 B (1000.0 GB)
    | |
    | +-> Logical Volume Family A992B6D2-CDE0-42D5-B02A-8E72FEADDB82
    | ----------------------------------------------------------
    | Encryption Status: Locked
    | Encryption Type: None
    | Conversion Status: Converting
    | Conversion Direction: backward
    | Has Encrypted Extents: Yes
    | Fully Secure: No
    | Passphrase Required: No
    | |
    | +-> Logical Volume 0D3BE124-FF73-4920-8A7C-F78C83C28D0C
    | ---------------------------------------------------
    | Disk: -none-
    | Status: Locked
    | Size (Total): 999664451584 B (999.7 GB)
    | Conversion Progress: -none-
    | Revertible: Yes (unlock and decryption required)
    | LV Name: Pro TM
    | Content Hint: Apple_HFS
    |
    +-- Logical Volume Group CFBA536C-50D3-40EF-B8B0-A8A244731F13
    =========================================================
    Name: Air TM
    Status: Online
    Size: 399731564544 B (399.7 GB)
    Free Space: 16777216 B (16.8 MB)
    |
    +-< Physical Volume 80B4110B-6904-4252-96A4-2158862290B3
    | ----------------------------------------------------
    | Index: 0
    | Disk: disk1s5
    | Status: Online
    | Size: 399731564544 B (399.7 GB)
    |
    +-> Logical Volume Family ECDD53B8-A03C-4E59-94A4-D0C9965851C3
    ----------------------------------------------------------
    Encryption Status: Unlocked
    Encryption Type: AES-XTS
    Conversion Status: Complete
    Conversion Direction: -none-
    Has Encrypted Extents: Yes
    Fully Secure: Yes
    Passphrase Required: Yes
    |
    +-> Logical Volume 5CA476B1-2C13-4436-ABF1-A283641CC67D
    ---------------------------------------------------
    Disk: disk2
    Status: Online
    Size (Total): 399396016128 B (399.4 GB)
    Conversion Progress: -none-
    Revertible: Yes (unlock and decryption required)
    LV Name: Air TM
    Volume Name: Air TM
    Content Hint: Apple_HFS
     
  2. Weaselboy Moderator

    Weaselboy

    Staff Member

    Joined:
    Jan 23, 2005
    Location:
    California
    #2
    I assume here it is that Pro TM one you want to decrypt? It looks like it is in the middle of converting now. Have you tried just waiting a bit?

    If that does not work, run this first command in Terminal to unlock the volume:

    Code:
    diskutil corestorage unlockVolume 0D3BE124-FF73-4920-8A7C-F78C83C28D0C -stdinpassphrase
    You will be asked for your password.

    Now enter this command to unencrypt:

    Code:
    diskutil corestorage revert 0D3BE124-FF73-4920-8A7C-F78C83C28D0C -stdinpassphrase
     
  3. dakeeper14 thread starter macrumors newbie

    Joined:
    Jul 23, 2014

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