Disclosed is a method, system, and article of manufacture for managing meta data. The meta data provides information on data maintained in a storage device. The system receives a request for meta data from a process and determines whether the requested meta data is in cache. After determining that the...http://www.google.com.hk/patents/US6981102?utm_source=gb-gplus-share專利 US6981102 - Method and system for managing meta data
