How to make two hard drives appear as one

Written by heather lindsay
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How to make two hard drives appear as one
Use Windows' "Disk Management" utility to make two hard drives appear as one. (space-age image by FotoWorx from Fotolia.com)

Combining two hard drives to appear as one logical drive within the operating system allows for a simpler data management hierarchy and increased data transfer speeds, as two independent drives are serving data. Though combined disk arrays are commonly reserved for high-end enterprise servers, there are tools within the operating system that allow users to create simple or software-based disk arrays that report as one logical hard drive.

Skill level:
Moderate

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Instructions

  1. 1

    Click the "Start" button located in the lower left corner of the Windows desktop.

  2. 2

    Type "Computer Management" into the "Run" or "Search" text box located on the "Start" menu and press the "Enter" key.

  3. 3

    Click the "Disk Management" heading in the left pane of the program window. The list of currently installed hard disks displays in the lower right pane of the program window.

  4. 4

    Right-click in the grey area of the disk label that displays the disk number for one of the disks you wish to combine.

  5. 5

    Click the "Convert to Dynamic Disk" heading from the context menu.

  6. 6

    Select the disks you wish to combine as one logical disk from the list provided.

  7. 7

    Click the "OK" then "Convert" buttons.

  8. 8

    Click the "Yes" button when you are prompted, whether or not you're sure you wish to convert these two volumes into a dynamic disk, and then click "OK" to begin the disk conversion process.

  9. 9

    Restart the computer to allow the changes to take effect. Upon restarting the operating system reports the two physical hard drives as one drive.

Tips and warnings

  • Back up any important data contained on the disks. This procedure formats the disks, removing all access to the data contained on them.

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