Method and apparatus for providing data recovery in a one or multiple disk loss situation in a RAID5 like system. A data storage apparatus has a plurality of n disks storing data comprising a plurality of n data groupings stored across the plurality of n disks. Each one of the n data groupings comprises...http://www.google.de/patents/US20030196023?utm_source=gb-gplus-sharePatent US20030196023 - Data redundancy methods and apparatus
