and now my system is not booting up it is just showing only c: drive and X: drive(i.e. hidden system drive) all other partition are now lost. I can just see c: drive and its size is showing up as 0% ...

Heres the setup<BR>3x73gb drives in a raid 5 config. 7gb partition is aloted for the os. The rest is on a separate partition for data. I just added a 4th 73gb drive into the raid. The new space showed ...

He also tried the Convert Dynamic command of Diskpart, but that didn’t work either. A little digging around dug up this KB article which outlined the problem–the single volume on the disk completely ...