Difference between revisions of "HowTo Backup And Restore The Master Boot Record (MBR)"

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* '''Backup''' the '''[http://en.wikipedia.org/wiki/Master_boot_record MBR]''' on disk: "'''sda'''" to: "'''/var/nst/backup/mbrbackup'''"  
 
* '''Backup''' the '''[http://en.wikipedia.org/wiki/Master_boot_record MBR]''' on disk: "'''sda'''" to: "'''/var/nst/backup/mbrbackup'''"  
 
<div class="screen">
 
<div class="screen">
 +
<div class="userInput"><span class="prompt">[root@probe ~]# </span>mkdir -p /var/nst/backup</div>
 
<div class="userInput"><span class="prompt">[root@probe ~]# </span>dd if=/dev/sda of=/var/nst/backup/mbrbackup bs=512 count=1</div>
 
<div class="userInput"><span class="prompt">[root@probe ~]# </span>dd if=/dev/sda of=/var/nst/backup/mbrbackup bs=512 count=1</div>
 
  <pre class="computerOutput">
 
  <pre class="computerOutput">

Revision as of 10:53, 26 October 2009

This HowTo shows how to use the dd utility to backup and restore the Master Boot Record (MBR).

  • Note: This HowTo assumes that the MBR to backup and restore is located on: "sda".


  • Backup the MBR on disk: "sda" to: "/var/nst/backup/mbrbackup"
[root@probe ~]# mkdir -p /var/nst/backup
[root@probe ~]# dd if=/dev/sda of=/var/nst/backup/mbrbackup bs=512 count=1
1+0 records in
1+0 records out
512 bytes (512 B) copied, 5.6701e-05 s, 9.0 MB/s
[root@probe ~]#