[exim] Moving mailboxes

> Hi Folks,
>
> I'm in the process of migrating our mailboxes from one nfs server to
> another. I'm trying to figure out a nice way to perform this migration
> without having to stop exim. I'm thinking of something along the lines
> of exim_locking all the mailboxes then somehow unmounting them, mounting
> the new filesystem and then unlocking them. however I don't think
> this'll work as exim_lock possibly stores the lock on the nfs
> filesystem. once the old nfs is unmounted the locks will fail.
>
> Can a transport/router be temporarily locked?
>
> Has anyone done anything like this before, or am I looking at downing
> the whole system for the duration?
>


I think I read some where you can get exim to freeze all incoming mail
until your ready.
Maybe that would work ?