1. A method for reconciling changes between one or more files stored on a first computer system and a replica of the one or more files stored on a second computer system, the method comprising: maintaining an update sequence number indicative of a number of changes to the one or more files; detecting a change to the one or more files and, in response to the detected change, increasing the update sequence number to an increased value; comparing the increased value of the update sequence number to information indicative of a most recent reconciliation between the one or more files and the replica of the one or more files; in response to the comparing, providing an indication of a type associated with the change; and modifying the replica of the one or more files.