http://www.cnblogs.com/xoray007/p/3640571.html
http://www.cnblogs.com/mafly/p/fastdfs_nginx.html
卸载fdfs：http://www.leftso.com/blog/244.html
fdfs_trackerd /etc/fdfs/tracker.conf start
fdfs_storaged /etc/fdfs/storage.conf start
fdfs_monitor /etc/fdfs/storage.conf