How to create a Mirrored Volume

Almost all disk management functions can be performed using Disk Management MMC snap-in. Disk Management MMC snap-in is available as an extension to the Computer Management MMC snap-in. To open the Computer Management MMC snap-in, right click My Computer and select "Manage" from the context menu. Expand Storage node and select "Disk Management". If you want to open Disk Management MMC snap-in as standalone, type diskmgmt.msc inside the run dialog box and hit "Enter".

1) Right click the disk on which you want to create the new volume, and selet new volume from the context menu.

Disk management mmc snapin context menu new volume

2) In the "New Volume Wizard", click next to continue.

New volume wizard

3) To create a Mirrored Volume, select "Mirror" radio button in "Select Volume Type" screen, as shown below. Click "Next" to continue.

Mirrored New Volume Wizard Select Volume Type

4) Mirrored volume is used to create two identical copies of a volume and therefore we require exactly two physical disks to create a Mirrored Volume. Select how much storage size you require from these disk in "Select Disks" screen. Since Mirrored Volume keep an exact mirror of one disk on another disk, the space taked from both the physical disks should be the same. After selecting the volume size, click "Next" to continue.

Mirrored new volume wizard select disks

5) Select the drive letter to use or path in "Assign Drive letter or Path" screen. Here we have selected the Drive letter as "E". Click "Next" to continue.

New volume wizard assign drive letter or path

6) If you want to format the volume, you can do it in "Format Volume" screen. The options for formatting the volumes are also available in this screen. Click "Next" to continue.

New volume wizard format volume

7) Click "Finish" in the "Completing the New Volume Wizard" to create the volume and start formatting it.

mirrored completing the new volume wizard

8) New Mirrored volume is created and listed inside Disk Management MMC console as shown below.

New mirrored volume created

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