A method and mechanism for implementing variable sized extents for a logical volume or file is disclosed. Instead of using extents which all have the same size to form a logical volume, a logical volume includes extents having different extent sizes. A relatively small extent size is used for extents...http://www.google.ca/patents/US6874061?utm_source=gb-gplus-sharePatent US6874061 - Method and system for implementing variable sized extents
