MacBook Pro 10.10.2, Logic Pro X 10.1.1
When using MacBook Pro to run Logic Pro X, which files should be stored on external HD.
Logic Pro X, OS X Yosemite (10.10.2)
Not sure what you are asking. You can move the samples for esx24 and drummer to an external if you would like. I would probably use an external for any audio recording if you are asking about that.