The preferred embodiments described herein provide various data allocation and error recovery methods that allow data to be written to a write-once memory array using a write-many file system. Other preferred embodiments described herein relate to methods for generating a set of valid file system structures....http://www.google.com.hk/patents/US7051251?utm_source=gb-gplus-share專利 US7051251 - Method for storing data in a write-once memory array using a write-many file system
