http://en.community.dell.com/support-forums/servers/f/906/t/18625422
http://en.community.dell.com/support-forums/servers/f/906/t/19422969
http://web.mit.edu/cron/documentation/dell-server-admin/en/Perc4disi_4edisi/chap4.htm
原文：http://www.cnblogs.com/doublemystery/p/4650661.html