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Old 02-19-2010, 04:23 PM   #1
nosnetrom
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Question Restore an image: how to preserve file system?


We are trying to restore a LAMP server (Ubuntu 8.10 Server) that had some irreparable blocks on the HD. I used Clonezilla to back up what I thought to be a single image of the entire drive, but now it looks like it is just an image of the primary partition. OK, I can live with that... we reinstalled Ubuntu, then I booted the box from a live CD and tried to restore the old image over the primary partition. I used the following command:

cat system_drive_backup.img.gz.* | gzip -dc | dd of=/dev/sda

... Stolen from the thread at http://www.linuxquestions.org/questi...-limit-523058/.

Upon rebooting, GRUB hung (not unexpectedly). When I tried to reinstall GRUB, I discovered that there was no detected file system on the primary partition! I can only assume that the dd command blew it away... ?

Clonezilla has failed me in restoring the drive, but I still have img.gz.aa and img.gz.ab; seems like there should be a way to restore that back to the new HD. Any suggestions? (I really don't want to have to rebuild that box!) Thanks in advance...
 
Old 02-19-2010, 04:28 PM   #2
Quakeboy02
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If you only backed up a partition, then you need to restore to a partition, not to the drive. So, partition your drive properly, then restore this way:
Code:
cat system_drive_backup.img.gz.* | gzip -dc | dd of=/dev/sda1
Notice "sda1" (first partition) instead of "sda"(drive). You will probably have to reinstall grub. Use Super Grub Disk unless you're confident in your abilities with grub.
 
Old 02-19-2010, 05:43 PM   #3
syg00
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What makes you think you have a "dd" image ?.
Last I looked, clonezilla will use any of several (filesystem aware) tools to do the imaging - only resorting to dd if all else fails.
Why aren't you using clonezilla to do the restore ?.
 
  


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