Ensure that reset doesn't clear important info

Change-Id: Ie6323ba29b385d0868a7cb8a0eafa5d79c5ac4a4
Reviewed-on: http://review.couchbase.org/42587
Tested-by: Jeffry Morris <jeffrymorris@gmail.com>
Reviewed-by: Simon Baslé <simon@couchbase.com>