Creating a RAID 1 Array 

RAID 1 array can provide much more security because the mirror disk can replace the original disk when the original disk is failed. If there are more than 1 single physical disk (not a member of an array and not an ATAPI device or a removable disk), users can select the Create RAID 1 menu or click the RAID 1 button to create a RAID 1 array. Follow a wizard to go through creating the array. 

1. Select Disks: All the auto-detected available disks of your computer are listed in the Available Disk list box. Select an original disk and a mirror disk from the Available Disk list box.

2. Add a Spare Disk: If you have three available disks, the Use a spare disk option allows you to select a spare disk for the array.

3. Select one of the following options. (Synchronize is the default option):

Initialize: Create a RAID 1 array using the two disks and clear all data on them.

Synchronize: Create a RAID 1 array and duplicate all the data from the original disk to the mirror disk.

4. Specify Array Name: If you do not specify an array name, the system will assign a default name for the selected array automatically. 

Note:  

1. The capacity of original disk must be smaller than the mirror disk, otherwise you will get a warning message and must make the reselection.

2. The capacity of spare disk must be more than that of the RAID 1 array, otherwise you will get a warning message and reselect the disk.

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