are there any known issues with full-disk style (or that way by partition) encryption on a USB 3.0 memory stick (or external flash drive). I'm curious about experiences. I want to disable roadrunner email automount on the stick itself even if I plug it into a system with automount enabled (my laptop normally has automounted disabled). I might want to network it up to the cloud to mount it there (and make sure the cloud instance is doing the crypto). I'll probably be doing ext4 in the secure space but am open to other ideas.