5Drag the disks to the window.

6Follow the instructions in the window to set parameters.

7Click Create.

You can find instructions for partitioning the hard disk into multiple volumes, creating a RAID set, and erasing the target disk or partition by viewing Disk Utility Help. To view Disk Utility Help, open Disk Utility on another Mac computer with Mac OS X v10.6 and choose Help > Disk Utility Help.

From the command line

You can use the diskutil command-line tool to create a RAID set. Normally, you would use a remote shell (SSH) to log in to the newly started computer to use this method.

You can use diskutil to can create a RAID volume that is Mac OS Extended format, Mac OS Extended (Journaled) format, Mac OS Extended format (Case-Sensitive) format, Mac OS Extended (Journaled, Case-Sensitive) format, or MS-DOS FAT format. However keep in mind the following:

ÂÂ You cannot create a RAID from the startup disk.

ÂÂ When creating RAID sets or adding disks, specify the entire disk instead of a partition on that disk.

ÂÂ All potentially destructive diskutil operations must be done with superuser or root privileges.

For complete command syntax for diskutil, consult the tool’s man page.

Use command-line arguments that apply to your specific needs. The following command is a sample, which creates a single mirrored RAID set (RAID 1) from the first two disks installed in the computer (disk0 and disk1), with the resulting RAID volume called MirrorData.

The basic syntax is:

diskutil createRAID mirror setName format device device ...

So the command is:

diskutil createRAID mirror MirrorData JournaledHFS+ disk0 disk1

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Apple 10.6 manual Diskutil createRAID mirror setName format device device