Sometimes a specific disk image in OS X will automatically mount if a file on it is targeted by the system. Here are some methods for fixing this issue.

Prevent a partition from mounting in OS X If you have a specific volume on your Mac that you would like to keep from being edited when attached, here's how to protect it.

I have exported the filesystem from the OS X machine...This is what I get on my laptop (Linux) when I attempt to mount the filesystem:Apr 24 22:40:44 coyote kernel: portmap: server localhost not ...