according mtab, /dev/sda2 is already mounted on /sysroot 的解决方案
场景描述:我将安装好的CentOS6.4的vmlinuz、initramfs、grub移植到新盘上,grub.conf大致如下:root(hd0,0)kernel/vmlinz-2.6.32-358.e16.i686roroot=/dev/sda1rd_NO_LUKSrd_NO_LVMLANG=en_US.UTF-8 rd_NO_MDSYSFONT=latarcyrheb-sun16crashke