If you need to move the entire contents of a file system, and the underlying storage doesn't need to change, you might as well just change the mount point. When you change the mount point of a file system, you effectively move all the files and directories that sail in it. Wouldn't it be wonderful if you could relocate your house and family just by slapping on a new sign on the gates of your city. In effect, that's what happens when you change the mount point.
When you want to use a new mount point - effectively rename a file system's - it doesn't take effect until you unmount the old one. And you can't do that if the file system is in use. And if a file system has nested file systems within it, then they have to come down first.
So here's the procedure. This is taken from my article Moving Mounts in the .
For more information about changing file systems, see the rest of the article.
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