You should have already started SIA and prepared it for tasks as described in Starting SIA and Preparing for Deployment or Recovery Tasks.
The Select a Task menu should be displayed.
Select the RAID Configuration task, and then click Next.
The RAID Configuration page appears.
At the RAID Configuration page, select the disks to be included in the RAID volume from the Available Disks box.
For a RAID 1 or a RAID IM volume, select two disks.
For an integrated mirror enhanced (IME) volume, select from 3 to 10 disks.
Note - The interface will not allow you to select more disks per volume than is supported by your disk controller. If your controller does not support IME volumes, you will only be allowed to select two disks per volume.
Click the Create RAID-1 Volume button.
The volume is created and listed in the Created Volumes box. Click on the created volume to see additional details.
Note - Disks included in the RAID volume are no longer listed in the Available Disks box.
Once the RAID volume(s) are created, you can install an operating system on the boot volume.