User guide
RAID Utility User Guide 9
To create a RAID set:
1 Open RAID Utility and click Create RAID Set.
2 In the dialog that appears, select the RAID level you want to use.
The RAID levels you can select depend on the number of drives you select. If the RAID
level you want to use isn’t enabled, try selecting a dierent number of drives.
3 Select the drives you want to include in the set.
4 Select the options that you want to apply to the set.
Use unassigned drives as spares: Reserves any drive not selected for the RAID set as a
spare that will be used if a drive in the set fails. You can’t assign a spare to a RAID 0 or
Enhanced JBOD set.
5 Click Create.
For information about RAID levels, see “About RAID Levels” on page 16.
Creating a Volume
To create a RAID volume, you use RAID Utility to format space available on a RAID set.
To create a volume:
1 In RAID Utility, select a RAID set in the left column and click Create Volume.
2 Type a name for the volume.
3 Choose a volume format from the pop-up menu.
If you’re not sure which format to use, choose Mac OS X Extended (Journaled).
4 Enter a size for the volume.