I have a server, with a single hard disk (500GB Ubuntu OS 14.04), and I bought a new one having 1 SSD (250GB, which I thought I could use for the OS) and 2 normal SATA disk (2000GB, to use in RAID).
Now, I'd want to restore the content of the first server on the second. The ideal situation for the second is having the OS on the SSD and the data/applications on one SATA, so to use the RAID to backup. (right?)
Using clonezilla I can save an image of the first server and restore on one SATA of the second (SSD is too small), then, hopefully, activate RAID and see what happens, but in this way the SSD power is unused.
There is a software I don't know about, that can manage this situation? What is the best way to deal with this, excluding, obviously, reinstalling OS and then all the content and settings of the first server?
EDIT: Using @s1lv3r reply like the bible resulted in all working in the end, but I had also to deal with a couple of things:
The cloned ssd had the same uuid of the spinning disk so I had to change it with 'tune2fs -U random /dev/your_sd_id'
grub did not react well to the whole process so I had to launch a live version of linux and repair it with a tool named 'boot-repair'.
I have a nvidia card on the new server so, in order to make system start, I had to make it start with 'nomodeset' instead of 'quiet splash' (In grub menu choose your starting system option, press 'e' and change it) then manually install nvidia driver.
Truly, solving these things took a lot of time and tests, but these general indications could make the difference for someone trying to solve them.