如下两个链接均可以,写出两个链接是防止某一个链接失效:
http://www.oracle.com/us/technologies/linux/data-integrity-solution-1852762.pdf?ssSourceSiteId=otnen
https://community.emc.com/servlet/JiveServlet/previewBody/19278-102-3-68831/h10058-data-integrity-solution-wp.pdf