Centos 5.4不会引导

Question

我在centos服务器上有三个磁盘，但是它成功了，我根本没有grub，我试着用超级grub安装grub，用rescatux修复系统，但是在vain.Is中有一种引导到centos的方法？

============================= Boot Info Summary: ===============================

 => install-mbr/Testdisk is installed in the MBR of /dev/sda.
 => Lilo is installed in the MBR of /dev/sdb.
 => Grub2 (v1.97-1.98) is installed in the MBR of /dev/sdc and looks at sector 
    1 of the same hard drive for core.img. core.img is at this location and 
    looks for (md/0)/boot/grub on this drive.
 => Syslinux MBR (5.00 and higher) is installed in the MBR of /dev/sdd.

sda1: __________________________________________________________________________

    File system:       ext3
    Boot sector type:  -
    Boot sector info: 
    Operating System:  
    Boot files:        

sda2: __________________________________________________________________________

    File system:       swap
    Boot sector type:  Unknown
    Boot sector info: 

sda3: __________________________________________________________________________

    File system:       ext3
    Boot sector type:  -
    Boot sector info: 
    Operating System:  CentOS release 5.3 (Final)
    Boot files:        /etc/fstab

sdb1: __________________________________________________________________________

    File system:       ext3
    Boot sector type:  -
    Boot sector info: 
    Operating System:  
    Boot files:        

sdb2: __________________________________________________________________________

    File system:       ext3
    Boot sector type:  -
    Boot sector info: 
    Operating System:  
    Boot files:        

sdb3: __________________________________________________________________________

    File system:       ext3
    Boot sector type:  -
    Boot sector info: 
    Operating System:  
    Boot files:        

sdc1: __________________________________________________________________________

    File system:       ext3
    Boot sector type:  -
    Boot sector info: 
    Operating System:  
    Boot files:        

sdc2: __________________________________________________________________________

    File system:       ext3
    Boot sector type:  -
    Boot sector info: 
    Operating System:  
    Boot files:        

sdc3: __________________________________________________________________________

    File system:       ext3
    Boot sector type:  -
    Boot sector info: 
    Operating System:  
    Boot files:        

sdd1: __________________________________________________________________________

    File system:       vfat
    Boot sector type:  SYSLINUX 6.03 2014-10-06................................................2....0............A20 gate n
    Boot sector info:  Syslinux looks at sector 32832 of /dev/sdd1 for its 
                       second stage. SYSLINUX is installed in the /multiboot 
                       directory. No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        /multiboot/rescatux-0.40b11/efi/boot/bootia32.efi 
                       /multiboot/rescatux-0.40b11/efi/boot/bootx64.efi

============================ Drive/Partition Info: =============================

Drive: sda 

Answer 1

您可以在CentOS安装磁盘上尝试救援模式。https://www.centos.org/docs/5/html/Installation_指南-en-US/s1-救援表情-boot.html