Abstract: A method for synchronizing file system items having a data and metadata portion between a source and a destination storage system; a synchronization log is maintained having synchronization log items associated with the respective file system items; a synchronization log item includes a metadata and data section comprising changetimes of the file system item on the source and destination storage system upon synchronization of the respective metadata and data portion, and includes a selected integrity level selectable from at least a data integrity level and a metadata integrity level.