参考链接：
http://blog.chinaunix.net/uid-11725657-id-2835230.html
标准的的/etc/snapmirror.conf 文件配置:
Netapp811A:vol_src netapp814A:vol_des1 restart=always 0-59/1 * * * 表示每分钟同步一次。
minute hour dayofmonth dayofweek
minute can be a value from 0 to 59.
hour can be a value from 0 to 23.
dayofmonth can be a value from 1 to 31.
dayofweek can be a value from 0 (Sunday) to 6 (Saturday).
Multiple values, separated by commas, can be entered for any field.
本文转自daniel8294 51CTO博客，原文链接：http://blog.51cto.com/acadia627/1629214，如需转载请自行联系原作者
