RAID Admin and Disk Utility show different sizes

Hello all,
I have tried searching through these forums for a resolution to this, but did not really find one. Here is my situation:
I have an XServe Dual G4 in a branch office. It has attached to it an XServe RAID. Last week, when I was down working in the office I added a new drive to the RAID. The lower channel on the RAID had 4 172GB drives in it, and I added a 5th and and told RAID admin to resize the RAID.
The next day, the RAID was finished resizing. RAID admin was reporting that the array was now 690GB. However, after rebooting the server and RAID multiple times, Disk Utility in OS X is still showing that the Volume on the RAID is only 517GB.
So, I have a couple of questions:
1. How is it possible that by adding a 172GB drive to a RAID 5 array that was about 520GB I ended up with an array that is 690 GB? That would imply that there is no parity (since 690 - 520 = 170 and the drive I added in was 172GB).
2. How do I get the server to see the additional space? The server is at the newest version of the OS and the RAID it as the newest version of the firmware.
Please help.
Mac OS X (10.4.8)

I've run into the same issue with a newer PPC XServe. However, after I tried to reformat, I still only show up with the orginal size, and not the new size, even after I restarted the server and XRAID.
Did you have any success with your reformat?

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