Posting this in the hope that sharing my experience which didn't work, somone will either come up with what I did wrong, or at least be spared the trouble of doing somthing similar.
(I searched but didn't find any topics with the same situation... sorry in advance if this is a duplicate post!)
My main rig is an Asus Nforce 590 SLI Crosshair, A64 5000+ @ 2.8ghz, EVGA 8800GTX, Creative X-Fi, 2 GB Mushkin XP2-8500 @800mhz with 2 optical drives & most importantly I think, 2 x 2 drive RAID arrays. *(rock-solid stable for months under XP alone)
Array# 1 w/XP Pro = 2 x 320gb Seagate's mirrored & set up as boot partition in RAID BIOS
Array #2 w/no OS = 2 x 500gb WD's mirrored (formatted in NTFS only)
Both arrays were running fine on XP and when I attempted to install Vista Ultimate (Upgrade version.. attempted installled from within XP) this evening everything appeared to go smoothly.. so smoothly in fact that deep down I knew somthing had to go wrong... anyway, setup seemed to complete without a hitch with XP on the 320gb array & Vista on the 500gb array, however on the final reboot which should have loaded Vista the PC froze with no error message.
After a couple minutes of no HD activity, I knew I was hosed so I hit reset& this time was greeted with a menu that looked like a dual-boot OS-selection screen, but the only choices were to load previous Windows version(XP) or to rollback Vista installation... the worst thing was that neither of these options worked & both only resulted in rebooting to the same screen... upon further examination it seems thst Vista setup somhow trashed my RAID array by combining the 2 seperate RAID 1's consisting of 2 drives each into 4 arrays consisting of one drive each (!!!) & had managed to corrupt the data they contained in the process.
Its not like I lost any data because I have 3 full backups on two external HD's & on another PC running XP Pro on RAID 0+1, but it certainly was a frustrating way to spend 3 hours only to end up restoring a backup image.
Needless to say I'm hesitant to try again until I at least have an idea of how the 2 seperate RAID 1 arrays were changed into 4 in the BIOS by Vista setup.... if anyone can help I'll be eternally greatful![/b]