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Adding a Mirror to a Volume

The volume Add Mirror procedure creates a mirror (copy) of a volume on a disk that is not already being used by the volume. If one of the disks fails, the volume data can be accessed from the surviving disks. A volume can have multiple mirrors.

  • To create a mirror on an existing volume, use the Add Mirror Wizard.
  • To create a new mirrored volume, use the Create Volume Wizard. You select a mirrored layout when you create the volume.

  • Note    The mirroring process is disabled if the volume cannot be mirrored or if there is no unallocated space on another dynamic disk large enough to mirror the volume. A RAID-5 volume cannot be mirrored.

 
   To add a mirror to an existing volume

  1. Select the volume to be mirrored.
  2. Choose Actions > Mirror > Add.
  3. Complete the Add Mirror dialog box as follows:

    Options:


  4. After you have provided all necessary information in the dialog box, click OK. Adding a mirror requires resynchronization, so this task may take some time.
    Notes:





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