My studio have just bought the new Sonnet Echo Express III Tb2.
We installed 2 cards recommended (Sonnet Tempo Sata 6Gb 4 port, Sonnet Allegro FW800)
These 2 cards appeared in the hardware list and worked. Yesterday I installed a Highpoint 2722 card to generate a RAID system. I launched the creation of a new RAID array. It's said it will take 13 hours to create. After about 12 hours, it stopped. I relaunched the computer and now 3 cards doesn't appear in the hardware list. The computer (New MacPro 2014), reconize the Echo Express connected to one thunderbolt... but no PCI cards anymore except my two graphic cards...
I waited 2 hours and relaunched the computer, and then miraculous... 3 cards where connected. To be sure I restarted the computer… and no card again.
I don't know if the problem comes from Sonnet, Mavericks or the new MacPro. Anyone has an idea ?