RAID的掘墓人和HADOOP/GFS 三备份的替代方案：Erasure code（从Reed Solomon code到LRC/XOR)

//改良or革命！传统RAID未来发展三大方向 , Erasure code

http://storage.it168.com/a2010/0604/1004/000001004383_all.shtml

//什么是Erasure code

http://en.wikipedia.org/wiki/Erasure_code

//HDFS-RAID使用Erasure Code来实现HDFS的数据冗余

http://yanbohappy.sinaapp.com/?p=106

//Erasure Code为Hadoop节省数据恢复带宽

http://www.csdn.net/article/2013-07-04/2816109-Hadoop_with_XOR_Erasure_Code_spare_bandwidth