Hello all, I run a MacPro 3.2Octo on SL.. Two external HDs connected. firstly/ usb(original) is my Time machine and secondly/800FW (original) is my ITunes library. When my machine goes to sleep - either itself or on demand - on awakening one or both HDs have ejected themselves and the error message is displayed. Sometimes they re-connect but not always. Is there some setup I have missed (energy setting - put HDs to sleep when possible is not ticked) or another glitch I am unaware of. Apologies if this is old stuff. References to previous solutions would be just as helpful. Thank you.