> - if you want to copy files for example and connect your drive to another system and mount your zpool there, it sets some pool membership value on the file sy

> - if you want to copy files for example and connect your drive to another system and mount your zpool there, it sets some pool membership value on the file system and when you put it back in your system it won’t boot unless you set it back. Which involved chroot Isn't this what `zpool export` is for?