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However, it's highly recommended that you replace the drive as soon as possible. Once you set up a mirror, if either hard drive fails, you'll still be able to access your data. How to recreate a mirror after drive failure This process can take a long time depending on the data you have stored in the volume. Choose the drive that will act as a duplicate.Īfter completing the steps above, Windows 10 will synchronize the data on the primary drive to the second drive.Right-click the primary drive with data on it, and select Add Mirror. To create a mirrored volume with data already in the drive, do the following: The following instructions explain the steps to set up a mirrored volume when one of the drives already have data on it. How to create a mirrored volume with data already in the drive Once the process completes, you'll only see one volume created, and as you store content on the new volume, the data will also automatically get replicated into the secondary drive. Click Yes to convert the basic disks to dynamic disks, which is a requirement to create a mirrored volume on Windows.Check the Perform a quick format option.Select Format this volume with the following settings option making sure file system is set to NTFS, allocation unit size is set to default, and you enter a name for the volume.

Assign a drive letter or leave the default settings and click Next.Important: The volume cannot be larger than the amount of the available space in the smaller hard drive, as you can't mirror data to space you don't have. Specify the amount of space for the mirrored volume. Select the available drive from the left.Right-click one of the empty drives, and select New Mirrored Volume. Use the Windows key + X keyboard shortcut to open the Power User menu and select Disk Management.To create a mirrored volume, do the following:

The instructions described below are to create a brand new mirrored volume where neither hard drive have any data. Your second drive should be at least the same size as the original (a larger second drive is okay).

How to recreate a mirror after drive failureīefore we dive in this guide, it's important to note that to create a mirrored volume on Windows 10, or with any operating system, you'll need at least two physical hard drives.

How to create a mirrored volume with data already in the drive.

In this Windows 10 guide, we'll walk you through the steps to create a mirrored volume on your computer to protect your data from drive failure. Usually, a mirror setup contains two hard drives, but you can always add more, as long you add them in pairs. On the standard RAID levels, "mirror" is defined as RAID 1, and it consists of having an exact bit-to-bit replica of the data in another hard drive.