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Cannot Delete Dynamic Partition RRS feed

  • Question

  • I have the same problem as reported by Victor Stout on August 06, 2010 5:50 AM:

    http://social.technet.microsoft.com/Forums/windows/en-US/bac762c0-0beb-4084-8064-90e35b8711a4/can-not-delete-dynamic-partition?forum=w7itproinstall&prof=required

    I have read the article on Diskpart whose link was supplied by sophiemartin: http://technet.microsoft.com/en-us/library/cc738489%28WS.10%29.aspx

    I used a bootable USB to install Windows 7 on a Netbook which has no CD/DVD drive.

    I created and formatted 4 drives. My intent was to dual boot with Windows XP as I know that very well and want to get used to Windows 7.

    At some point all the drives were all changed to Dynamic drives. I think this happened when I created the 4th drive. That'll teach me to not read the warning messages displayed.

    My Backup software (Acronis) doesn't know about dynamic drives so I want to wipe the whole disk and start again. I have deleted most of the drives but cannot delete the one that had the Windows 7 installed in it.

    When Windows 7 installer says "Where do you want to install Windows?", the list of partitions is as follows:

           Name                                    Total Size  Free Space  Type

    • Disk 0 Unallocated Space             0.0 MB    0.0 MB
    • Disk 0 Partition 2                     100.0 MB   86.0 MB    System
    • Disk 0 Partition 3                       50.0 GB   49.6 GB    Dynamic
    • Disk 0 Unallocated Space         182.8 GB 182.8 GB  
    • Disk 0 Unallocated Space             1.0 MB    1.0 MB

    I tried to use Diskpart to convert the drive to Basic. To do that, I had to go to "Repair your computer", select "Use recovery tools", and then "Command Prompt".

    Diskpart lists the following partitions:

           Partition ###  Type               Size          Offset

    • Partition 1     Dynamic Data    992 KB      31 KB
    • Partition 2     Dynamic Data    100 MB  1024 KB
    • Partition 3     Dynamic Data      50 GB    101 MB
    • Partition 4     Dynamic Data    182 GB      50 GB

    After I entered "convert basic", Diskpart responds with "Virtual Disk Service error: The disk is not empty".

    I read in"DiskPart Command-Line Options" ( http://technet.microsoft.com/en-us/library/cc766465%28WS.10%29.aspx ) the following:

    "Deleting a partition on a dynamic disk can delete all dynamic volumes on the disk, thus destroying any data and leaving the disk in a corrupted state. To delete a dynamic volume, always use the delete volume command instead."

    In Diskpart, I selected volume 0 and entered "Delete volume", but I got the error: "Virtual Disk Service error: Delete is not allowed on the current boot, system, pagefile, crashdump or hibernation volume."

    So what can I do to remove all partitions from this drive and return it to all unallocated space?

    I have a desktop PC running XP and was thinking of mounting it in there and reformatting it. Would that work?

    Regards,

    Roger

    Wednesday, October 23, 2013 10:36 PM

Answers

  • OK, never mind! It took me an hour and a quarter to find a way to do it using Partition Wizard 4.2,  rufus 1.3.4 and a thumb drive.

    All explained at SevenForums: http://www.sevenforums.com/tutorials/26829-convert-dynamic-disk-basic-disk.html

    Wednesday, October 23, 2013 11:55 PM