How to restore backup on raid 5

Hi all
I have 4 HDD raid 5 300 GB SAS (OS + Data) installed on Dell PowerEdge 2950 OS 2008 R2 RAID PERC 5/i
can’t restore backup C:/ Drive
when restore Backup see 4 single hard can’t see configuration raid
Please Help Urgent

I know nothing about what your raid is ran off of. If it is a mobo software raid then you need to make the raid with new drives at the bios screen. If it is linux then use mdadm to assemble raid. If it is a hardware raid then consult with the manual for your device. Urbackup would not be responsible for assembling the raid, it should appear as a normal block device.