Re: Ghost ideas/thoughts please

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On Wed, 2004-10-13 at 18:01, Colin J Thomson wrote:
> On Wednesday 13 Oct 2004 23:36, Jeff Vian wrote:
> > On Wed, 2004-10-13 at 08:29, Colin J Thomson wrote:
> > > Following up from my "Drive Upgrade questions" post:
> > >
> > > I finally installed my new SATA drive and with a bit work I can see the
> > > drive with "dmesg". It was just a case of probing the correct driver
> > > and adding it to my rc.local, the Drive is seen as a SCSI (sda)
> > > I guess thats what I get for running a custom kernel (a bit more work
> > > to do) :)
> > >
> > > I have followed the threads on "ghosting" a drive but I dont feel very
> > > comfortable just yet trying it, the plan of action is ghost my working
> > > fC2 system (hda) to the new SATA drive (sda) and Boot from the SATA
> > > drive.
> > >
> > > The plan of action is to boot up from the FC2 CD in rescue mode and use
> > > DD, and issue this command:
> > >
> > > dd if=/dev/hda of=/dev/hde
> >
> > This is NOT a good plan.
> 
> Ok,
> 
> > The copy will have the exact same partition table/geometry/labels/etc as
> > the original.  It will likely damage the destination drive unless the
> > destination is exactly the same as the original ( make/model/ CHS/etc.)
> 
> Good point, 
> I also should of mentioned in my original post that the new SATA drive is 
> twice the size of the current one..
> 
> > You can create the partitons on the new drive then copy data over, 
> 
> Yes this is an option as well, and then I guess create a new MBR, I am just 
> a little nervous of doing that.

Regardless of the method you use, you will likely have to redo the MBR. 
A new drive, new mapping of the partitions, etc.
UNLESS you leave the original drive in and use it's MBR to boot.

As I understand it, a SATA drive is not designated as hda when it is
seen by Linux. -- booting from a different root device means a change in
grub.conf and in the MBR

However, the change in the grub configuration and the MBR is simple in
comparison to the change in the physical device.
> 
> > or use  g4u to do what you want.
> >
> > for info see http://www.feyrer.de/g4u/
> 
> Excellent! I will have a look at that site tommorow.
> 
> Cheers,
> 
> Colin
> 
> -- 
> Fedora Core 2, Custom Built Kernel 2.6.8.1
> KDE-Redhat-3.3.1-0.2.2.kde
> Registered Linux user number 342953


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