Unable to erase/partition external drive

Discussion in 'OS X' started by petsk, May 15, 2013.

  1. petsk, May 15, 2013
    Last edited: May 15, 2013

    macrumors regular

    petsk

    Joined:
    Oct 13, 2009
    #1
    My external, encrypted drive got corrupted when I was going to install bootcamp.

    Now I can't delete any partitions on the drive.

    Does anyone have any good terminal commands on how to fix this? I've tried a few commands but I'm not really getting anywhere.

    §diskutil list gives me the following and /dev/disk2 and /dev/disk3 is the external HDD that I want to erase.

    If I click "Repair Disk" in disk utility I get this:

     
  2. macrumors G3

    Joined:
    Jul 23, 2002
    Location:
    Sol III - Terra
    #2
    If you don't care about the data on the volume, you could try selecting the disk in question in Disk Utility and then selecting erase. This should wipe out what's on the disk.
     
  3. thread starter macrumors regular

    petsk

    Joined:
    Oct 13, 2009
    #3
    Well that's the problem, I can't delete partitions and I can't erase them because the volumes are corrupted.
     
  4. macrumors G3

    Joined:
    Jul 23, 2002
    Location:
    Sol III - Terra
    #4
    Were you trying to erase them at the partition or disk level? Even corrupted ones should erase at the disk level.
     
  5. macrumors P6

    Weaselboy

    Joined:
    Jan 23, 2005
    #5
    Try the Terminal instructions in my old post here (quoted below).

     
  6. thread starter macrumors regular

    petsk

    Joined:
    Oct 13, 2009
    #6
    Thank you, Weaselboy! That sorted things out quickly :D
     

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