> Well, if it were possible to do NFS mirroring and dynamic rebinding,
> all that would happen is that the mount would glitch and bind to the
> mirror instead.  Same thing if the server suddenly went down.

I believe Solaris 2.6 is planning to do failover like this.  It would
be good to do it in a similar way, probably, if we're willing to wait
and see what they do.