Have a look here for 2003:
Disclaimer: This posting is provided "AS IS" with no warranties, and confers
** Please do NOT email, only reply to Newsgroups
** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm
> I have a production server with 2 disk. The first one is the system
> disk with windows on it. The two disk are on a 1210sa adaptec sata
> raid controller. I just found out that I have to initialize the disks
> before making a hardware mirror but doing this deletes the partitions
> so I have no choice but use windows for my mirrors.
> When I go to convert the first disk, it tells me that it has to
> unmount the disk. Since it’s a production server, I’ll do this during
> off hours. Now just to make sure, is it ok to do this remotely? What
> will happen, will it kick me off for a couple of seconds and will I be
> able to log back on to create my mirror? Do you see any problems with
> that situation?