I have my itunes and iphoto library on an external USB drive. I downloaded some photos from a new camera and when I opened my iphoto library I notice that they were the only ones there. The other photos were blank. There appears to have been a new volume created on the ext drive. e.g. it appeared as "diskdrivename" 3) Then I downloaded some files from a website and they appeared to have been written to a folder that I now can't find on the external or internal drive. they were written to "diskdrdivename 4, as though a further volume had been created. I can't find these files by searching and can't mount these other volumes, if indeed they were created. Can anybody help.