About Raid 5 Configuration

Hi Sir,
Can You Please explain What is RAID-5 Configuration ??
What are the features of RAID 5 Configuration & Advantages of
RAID-5 Configuration.
Operating System is Windows NT.
We had Compaq Server, it has 3 Harddisk, if we remove 1 of the
harddisk which is not of Boot Sector, What will be happened
after removal of one of the harddisk ??
Please guide us,
Thanks.

Thanks so much, Camelot!
It didn't work at first, but it helped guide me to Google the right info.
I filled in the blanks with info I found here:
http://www.macosxhints.com/article.php?story=20080531040605723
In case others should come across this posting, here's what I did:
disktuil info /Volumes/RAID5
(to get the UUID)
vifs
then append:
UUID=63E14BC4-25D1-3140-B146-64B4CC4E7C28 /Users hfs rw 1 0
(Note: The lines ends with "hfs rw 1 0" instead of "hfs,rw")
vi /Library/Preferences/SystemConfiguration/autodiskmount.plist
(this was a new file)
and include the following:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>AutomountDisksWithoutUserLogin</key>
<true/>
</dict>
</plist>
If autodiskmount.plist already has some settings, make certain the AutomountDisksWithoutUserLogin key is <true/>
In my particular case, I had to rm my /Users symbolic link and mkdir /Users again.
Finally, restart.
Thanks again!

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