New Mac Pro - won't boot up with SSD drives attached

I have a new Mac Pro. It came with the stock 1TB HD. I installed two OWC SSD drives in the two optical drive bays. I booted up and the MacPro saw the two new drives. I set up the two new drives into a RAID0 setup with Disk Utility which worked fine. Then I cloned the 'Macintosh HD' drive so that I could use the two new SSDs as my boot drive.
When I removed the stock 1TB drive the machine will not boot up. I am stuck on the gray startup screen and it never even makes it to the Apple logo.
Even worse, when I reconnect the stock 1TB drive the machine will still not boot up if either or both of the SSD drives are connected. When I remove the SSD drives the machine boots fine.
Very weird - must be some weird RAID stuff going on.
Any ideas?
David

Hi dschamis
Just out of interest, what application did you use to clone from your HDD to the OWC SSD?
I had the same problem, but I was using only one SSD, when I cloned from a VelociRaptor 300GB HDD to an OCZ Agility EX SSD in December 2009.
The SSD "bricked", and when I contacted OCZ they told me that they did not recommend cloning from a HDD to a SSD. In fact they definitely advised against doing so.
I had used SuperDuper to clone from the HDD to the SSD.
When I received the replacement SSD ( OCZ sent me their top of their range Vertex EX), I didn't take any chances, and I did a clean install of the Mac OS and all my applications.
Everything was 100% OK, and I have not had a single problem with the SSD since then, but I never clone to it or from it. I just use Time Machine to back up to a WD My Book SE II 2T external drive, but I do have the original 640GB Apple (WD) HDD as a backup/emergency system boot drive in an external enclosure.
I have just ordered, and received, an OWC MercuryExtreme Pro RE SSD, which I will be using as my system boot drive solely for my photography related applications, and I will use the Vertex EX for the remainder of my applications.
However, I am not even going to risk using SuperDuper to clone the OS or any of the applications from the Vertex EX to the OWC SSD, although OCZ said it was OK to clone from SSD to SSD, and I will do a clean install of the Mac OS and the photography related applications on the Mercury Extreme Pro RE SSD.
Hope all goes well when you receive your replacement SSD.
If in doubt do a clean install of the Mac OS!
Regards,
Bill

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