How do you change "Owners Enabled" for a drive in disk utility?

Hi all,
I just got a new Mac Pro and added a couple of internal drives to it. After formatting them in disk utility I noticed that "Owners Enabled" is set to "No" for them. This concerns me. How do I set it to "Yes"?
These are the things I tried:
- I verified that "Ignore ownership on this volume" is unchecked in finder. I actually toggled it on and then off.
- I used "vsdbutil" in terminal to enable permissions for the volume and verified, using it, that they are indeed enabled.
- I unmounted and remounted the drives in disk utility.
- I restarted my machine.
Basically nothing I've done has been effective at turning on "Owners Enabled" for the drives. How do I do that? And what exactly does it mean if it's set to "No".
Thanks for any help, I wish this was all clearer.

FYI, 755 only allows write by owner, group is read and execute only. 775 would allow group write as well. 777 is read, write, execute for everybody.
Anyway, a coworker pointed me towards diskutil which seems to be the current best way to muck with disk settings.
http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/ man8/diskutil.8.html
It specifically has an "enableOwnership" command which would be run something like this:
diskutil enableOwnership /Volumes/DriveName
or
diskutil enableOwnership /dev/disk2
You can do all kinds of other stuff too with diskutil. It looks like an excellent way to quickly screw up your drive.
Thanks again for your help, I have quite a number of things to try now.

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How do you change "Owners Enabled" for a drive in disk utility?

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