Clone 2 hd in an array

[locksmith_50]

How to Clone two 500 GB HHD in array to one SSD 500 GB and use one of the HHD as storage ?

 

[kanewolf]

How much total data is on the "array" ? You will need to be down to less than 450G and preferably less than 400G. SSDs slow down if they are more than 90% full.

 

[USAFRet]

How to Clone two 500 GB HHD in array to one SSD 500 GB and use one of the HHD as storage ?

What type of "array" is this?
What is the specific data in it?