Enmotus
            Knowledge Base Enmotus Installation Windows FuzeDrive Client

            Cleaning Disks Previously Used as a FuzeDrive during Windows Setup

            When to Use
            The following steps are only necessary if re-using FuzeDrive disks from a previous installation in a new installation and you are experiencing difficulties getting Windows to recognize the disks or trouble with getting the FuzeDrive software to correctly recognize the disks during a transform (an issue with earlier releases of the software).

            Why
            Enmotus places metadata on the raw drives when creating a FuzeDrive. If you end up reusing these disks in a new bootable FuzeDrive installation, then it will be necessary to use the Windows built-in program diskpart to completely clean the disks BEFORE reinstalling Windows and re-fuzing the drives. 

            What You'll See
            In the Windows installer disk selection screen, for fuzed disks from (1) non-bootable data tiers or (2) legacy MBR bootable tiers, they will NOT be visible at all in the drive selection menu. On the other hand, fuzed disks from (3) UEFI bootable tiers will be visible, however using the Delete option is not sufficient to remove the Enmotus metadata, which can cause issues with future FuzeDrive installations.

            For UEFI bootable tiers, the previously used disks will have a partition labeled "EnTier_ESP" in the Windows disk select window. In the example below, Drive 0 is one of the drives in question. Identify the other; you may have to scroll down, and record these drive numbers for later.



            We will have to use diskpart to identify the disks from non-bootable data tiers and legacy MBR bootable tiers.

            How to Clean the Disks

            IMPORTANT: The following steps will completely erase all data from the drives. Ensure you have backed up all important data before using the following commands. Also ensure that you have selected the correct drive. Remove any drives that are not required for the installation if necessary to avoid confusion so that you only have the 1 or 2 drives used as a FuzeDrive connected, along with the USB or DVD Windows setup drive.

            STEP 1: Press Shift + F10 keys at the same time to open a command line prompt.

            STEP 2: Enter "diskpart", then at the "DISKPART>" prompt, enter "list disk".



            For the above example, we have three disks. Disk 0 and 2 were previously used as FuzeDrives. Disk 1 is an extra boot master drive. Disk 3 is the Windows setup USB.

            STEP 3: Identify the disks previously used as a FuzeDrive. You can use the Size column to differentiate if necessary, and enter "select disk <#>" then "detail disk" to show the drive description. Confirm the product ID at the top matches. If your FuzeDrive was a UEFI bootable tier, you will see a volume with an "EnTier_ESP" label. Legacy MBR and data tiers will report "There are no volumes." Take special care to NOT accidentally select the Windows setup USB disk (e.g., Disk 3 above) or any other drives you may have left attached. It is highly recommended if you see multiple drives and you cannot clearly identify which were the FuzeDrive raw disks, that you shut down your machine and disconnect any drives you do not want to touch.

            STEP 4: Enter "clean" to delete the partition tables and Enmotus metadata.

            For the example above, where disk 0 and 2 were the disks needed to be cleaned, you would enter:
            X:\Sources>diskpart
            DISKPART> select disk 0
            DISKPART> detail disk
            Compare the product ID and expected volume layout to ensure this is the correct disk, then enter:
            DISKPART> clean
            DISKPART> select disk 2
            DISKPART> detail disk
            Compare the product ID and expected volume layout to ensure this is the correct disk, then enter:
            DISKPART> clean
            Finally, enter:
            DISKPART> exit
            X:\Sources\>exit
            STEP 5: Back in the disk selection window, click Refresh to rescan the disks. Any legacy MBR or data FuzeDrives should now reappear, and all fuzed disks should appear as empty "Unallocated" drives.




            STEP 6: Proceed to install Windows on your drive of choice.


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