在CentOS 6系统中,因为不小心或操作失误导致boot分区被删除,遇到这种情况是否能够恢复被删除的boot分区呢?其实是可以的,下面随小编一起来了解下吧。
1.首先利用centos6镜像进入linux rescue救援模式。

2.启动sshd服务,查看eth0获取的ip地址,然后用ssh secure shell 连接。
SSH Secure Shell 3.2.9 (Build 283)
Copyright (c) 2000-2003 SSH Communications Security Corp - http://www.ssh.com/
This copy of SSH Secure Shell is a non-commercial version.
This version does not include PKI and PKCS #11 functionality.
[root@localhost ~]# cd /boot //进入/boot分区
[root@localhost boot]# ls //查看boot分区的内容
config-2.6.32-71.el6.i686 symvers-2.6.32-71.el6.i686.gz
grub System.map-2.6.32-71.el6.i686
initramfs-2.6.32-71.el6.i686.img vmlinuz-2.6.32-71.el6.i686
[root@localhost boot]# cd 。。//返回上层目录
[root@localhost /]# rm -rf /boot/*//删除/boot分区所有内容
[root@localhost /]# ls /boot//查看/boot分区内容为空
[root@localhost /]# mount /dev/sr0 /mnt//挂载cdrom设备到/mnt目录下
mount: block device /dev/sr0 is write-protected, mounting read-only
[root@localhost /]# rpm -ivh /mnt/Packages/kernel-2.6.32-71.el6.i686.rpm --root=/ --force //安装光盘的kernel软件包
Preparing.。。 ########################################### [100%]
1:kernel ########################################### [100%]
[root@localhost /]# ls /boot //查看/boot分区内容
config-2.6.32-71.el6.i686 System.map-2.6.32-71.el6.i686
initramfs-2.6.32-71.el6.i686.img vmlinuz-2.6.32-71.el6.i686
symvers-2.6.32-71.el6.i686.gz
[root@localhost /]# mkdir /boot/grub//在/boot目录新建一个grub目录
[root@localhost /]# touch /boot/grub/grub.conf//新建一个grub.conf配置文件
[root@localhost /]# cp -rf /usr/share/grub/i386-pc/* /boot/grub/ //把/usr/share/grub/i386-pc的所有内容拷贝到/boot/grub中。
[root@localhost /]# ls /boot//查看/boot分区内容
config-2.6.32-71.el6.i686 symvers-2.6.32-71.el6.i686.gz
grub System.map-2.6.32-71.el6.i686
initramfs-2.6.32-71.el6.i686.img vmlinuz-2.6.32-71.el6.i686
[root@localhost /]# ls /boot/grub/ //查看/boot/grub目录内容
e2fs_stage1_5 iso9660_stage1_5 stage1 vstafs_stage1_5
fat_stage1_5 jfs_stage1_5 stage2 xfs_stage1_5
ffs_stage1_5 minix_stage1_5 stage2_eltorito
grub.conf reiserfs_stage1_5 ufs2_stage1_5










