CentOS 6 BIOS 開機

1. 原始的 DYW 系統，USB 開機碟分割狀態。

   [root@dywmac ~]# fdisk -luc /dev/sdb
   
   Disk /dev/sdb: 31.6 GB, 31625052160 bytes
   64 heads, 32 sectors/track, 30160 cylinders, total 61767680 sectors
   Units = sectors of 1 * 512 = 512 bytes
   Sector size (logical/physical): 512 bytes / 512 bytes
   I/O size (minimum/optimal): 512 bytes / 512 bytes
   Disk identifier: 0x55654248
   
      Device Boot      Start         End      Blocks   Id  System
   /dev/sdb1   *        2048      329727      163840   83  Linux
   /dev/sdb2          329728    29689855    14680064   8e  Linux LVM
   

2. 備份 /boot 目錄。

   [root@dywmac ~]# mount /dev/sdb1 /mnt/boot
   [root@dywmac ~]# cd /usr/src/
   [root@dywmac src]# mkdir efiboot
   [root@dywmac src]# cp -a /mnt/boot/* efiboot/