We did this using export-import.
We had several large nodes, and a lot of small nodes, so we moved
the small nodes out one at a time, and left the large nodes behind.

> Hello All,
>
> I have the wonderful task of breaking up a very large storage pool into
> smaller ones.  What is the best way to do this?
> How can I get the data that is already on tape to the new storage pool?
>
> Anthony Jones
> Koch Industries, Inc.
> Platform Technologist
> 316-828-2432