Replication of volumes using partial volume split

A method and system comprising splitting an IO in a system; intercepting the IO in an appliance; determining whether the IO is directed to a replicated file system; sending the IO directed to the replicated file system to a replication device; and acknowledging the receipt of the IO. A method, system and computer program product comprising requesting access to a point in time in a replicated file system; determining from a plurality of bookmarks of file system configurations; a bookmark corresponding to the point in time; determining if the current configuration of the file system is equivalent to the bookmark; and reconfiguring the file system when the current configuration is not equivalent to the configuration of the bookmark.