rsync相关方案

http://www.ibm.com/developerworks/cn/aix/library/au-rsyncfamily/?S_TACT=105AGX52&S_CMP=tec-csdn

http://hi.baidu.com/ghxandsky/blog/item/2ad28477b336b108b051b9f3.html

http://hi.baidu.com/ljx_ubuntu/blog/item/c8239f26ab70d80e918f9d84.html

http://junnan.org/blog/586.html