[TriLUG] Re: HDD Migration

[Marty Ferguson]

Right on target.  Good howto, Lance.

Marty

Lance A. Brown wrote:
> Jason Browne wrote:
> 
>> I am trying to get some tips on migrating an install of Linux to another,
>> bigger HDD?  It is a straight 1 HDD to 1 HDD change...  I know I could 
>> use dd
>> , but I am trying to see if there is a better way.
> 
> 
> I've done this a couple time and do something like this:
> 
> - Back up existing system.
> - Take system down and install new HDD as the primary disk and put the 
> old HDD as the secondary disk.
> - Boot the system using a rescue or system tools CD that supports the 
> filesystems you are using.  I've had good success with System Rescue CD, 
> http://www.sysresccd.org/, on Red Hat and Fedora systems.
> - Partition the new HDD as you like.  I usually mimic the partition 
> setup on the old drive, adjusting partition sizes to use the larger 
> drive efficiently.
> - make file systems in the new partitions.
> - Copy the data from the old drive to the new.  I normally use a dump | 
> restore to do this because I'm comfortable with it.  Note that if you 
> changed the paritioning scheme you'll have to start with the root 
> partition first and the mount the new paritions and copy over the old 
> ones as needed.
> - To fixup grub/LILO I mount the root partition for the new drive, 
> chroot into it, mount any other partitions needed (/boot, etc.) and run 
> grub-install inside the chroot to get the MBR set correctly.
> - Exit the chroot, unmount everything and reboot.
> 
> --[Lance]