WHS 2011 Rebuild Raid 5

HI
I have a WHS 2011 with 5 drives
2 X 500gig drives, where the first drive is my C: drive and that is backed up to the second drive.
3 X 3000gig drives in a WHS (software) Raid 5 configuration and this was the machines effective D: drive.
one of the drives in the Raid died. In the process of replacing the broken drive. I have some how removed the D: drive (Server Manager > Disk Manager) and now have 2 of the drives showing as 'Unallocated'.  before I did this there were no files lost
(So I believe the Raid 5 protected me from the disk loss)
I am hoping that the two remaining drives and a replacement, i can rebuild the RAID. The only option I can see is to create a new RAID and I am loathe to do this in case it formats the drives and looses everything.
Any Help would be much appreciated.

Hi,
You can try to repair the Raid 5 volume. The RAID-5 status of the volume should change to Regenerating and then Healthy.
Replace Dead Raid-5 Disk
http://social.technet.microsoft.com/Forums/en-US/981efa59-8610-47db-a3b4-3ffe39f2084d/replace-dead-raid5-disk
Replace a disk region in the RAID-5 volume
http://technet.microsoft.com/en-us/library/cc738360(WS.10).aspx
Regards,
Mandy
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