Partition 2 does not end on cylinder boundary.
/dev/sda3 144 2611 19819520 83 Linux //这个为/根分区
[root@localhost /]
/dev/sda3 on / type ext4 (rw)//根分区
/dev/sda1 on /boot type ext4 (rw)//boot分区为sda1
devpts on /dev/pts type devpts (rw)
tmpfs on /dev/shm type tmpfs (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
/dev/sr0 on /mnt type iso9660 (ro)
[root@localhost /]
Probing devices to guess BIOS drives. This may take a long time.
GNU GRUB version 0.97 (640K lower / 3072K upper memory)
[ Minimal BASH-like line editing is supported. For the first word, TAB
lists possible command completions. Anywhere else TAB lists the
possible
completions of a device/filename.]
grub》 root (hd0,0) //首先find /grub/stage1查看/boot分区为(hd0,0)
root (hd0,0)//设置/boot分区为/dev/sda1
Filesystem type is ext2fs, partition type 0x83
grub》 setup (hd0)//重新安装grub
setup (hd0)