What RAID level do you want to implement and which card controller
brand/make and model number are you going to use? The best information
on how to do this might be the information provided by the hardware
manufacturer. Typically when adding these controllers to existing
Windows installations you add the hardware and device drivers to the
installation BEFORE you move the drive. Some manufacturers tell you to:
1- Load/install the Device drivers.
2- Shut down Windows, install the card (but DON'T move the drive yet!)
3- Reboot and make sure that the device is discovered and properly
recognized.
Then you can move the System & Boot drives and boot the computer and
implement RAID. Other manufacturers say to do it in a different order as:
1- Shut down Windows, install the card (but DON'T move the drive yet!)
2- Reboot and make sure that the device is discovered and properly
recognized, Load/install the Device drivers.
Whatever you do MAKE SURE that you have a complete, tested and working
backup of your current installation! If things don't go well and aren't
too badly screwed up you might have to perform an in-place upgrade
(repair installation) of Server 2003. If things go really wrong you
might LOSE ALL the data on the drive!
I think you should ask the question on one of the server newsgroups
where the server experts hang out and where more people with experience
implementing RAID can offer better technical advice.
John