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