Recovering Accounts From Crashed Server Problem

The server with four hard drives raid 5 has crashed. It was actually the server hardware issue though but I think the Tech from the data center swapped around the hard drives when troubleshooting. I also do not have information which drive goes which number in the raid that originally setup on that crashed server. However, I will have to use a different temporary machine to try recover the data as the original server went bad. I am totally noob. I believe I can get helps from online and community forums. Cpanel Team also been a great help. I have a temporary server that can have two hard drives so I installed the centos on a new hard drive and following the guide from