Disk Util Repair Permissions on Mac OS X Lion RAID 0

So it turns out that if you have a Mac OS X Lion on RAID 0 that you can’t run Verify/Repair Permissions on your hard drive, at least via Disk Utility. You can however still run from the command line, just enter:

sudo diskutil repairPermissions /

If you want to repair the disk you will have to do so from Single User mode – hold down the Apple ⌘ + S while the system is booting up, then run:

/sbin/fsck -fy
sudo fsck_hfs -f /dev/disk4s2

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