Erich,

I think you still have to do the "grub-install /dev/hdc" because it does more than write that boot sector. 

An easy way to do it would be to do a "chroot /newdrive/newroot". Before doing this, make sure you setup some like /newdrive/newroot and /newdrive/newroot/boot with the right partitions mounted on them... then do the chroot, then do the grub-install and you shoudl be set to go. 

Jon
---- Erich Newell <erich.newell@gmail.com> wrote: 
> So...after mulling this over more, I think my best bet is:
> 
> dd if=/dev/hda of=dev/hdc bs=446 count=1
> 
> Anyone?
> 
> On Mon, Dec 22, 2008 at 12:44 PM, Erich Newell <erich.newell@gmail.com> wrote:
> > I have a server that is remotely hosted and has a drive with over 48k
> > hours on it (and still running strong)...my hosting company is
> > providing a free replacement and I need to migrate everything over and
> > have the system come back up gracefully without any physical
> > interaction...other than one drive being stuck in the second drive bay
> > temporarily and the original being taken out and replaced with the
> > second drive when ready.
> >
> > Here's what I have:
> >
> > /dev/hda - 60GB old drive
> >    hda1        Boot        Primary   Linux ext3                          78.45
> >                            Pri/Log   Free Space                           1.04
> >    hda2                    Primary   Linux swap / Solaris              1074.00
> >    hda3                    Primary   Linux ext3                       58869.01
> >
> > /dev/hdc - 80GB new drive
> >    hdc1        Boot        Primary   Linux ext3                          74.84
> >    hdc2                    Primary   Linux swap / Solaris               511.97
> >    hdc3                    Primary   Linux ext3                       79439.57
> >
> > /etc/fstab
> >     /dev/hda3   /       ext3    usrquota,grpquota,errors=remount-ro   0 1
> >     proc        /proc   proc    defaults            0 0
> >     /dev/hda2   none    swap    sw                  0 0
> >     /dev/hda1   /boot   ext3    defaults            0 2
> >
> > By my thinking...I should be able to:
> >
> > mkdir /newdrive
> > mkdir /newdrive/{boot,newroot}
> >
> > mount -t ext3 /dev/hdc1 /newdrive/boot
> > mount -t ext3 /dev/hdc3 /newdrive/newroot
> >
> > rsync -av / /newdrive/newroot
> > rsync -av /boot /newdrive/boot
> >
> > grub
> >
> > grub> root (hd0,0)
> > grub> setup (hd1)
> >
> > and then shutdown, pull hdc and put it in hda and fire it up.
> >
> > What I'm uncertain of is the "setup (hd1)" bit....will this setup the
> > boot field in some way such that it will not work?
> >
> > If the drives were the same, I'd feel comfortable using dd to simply
> > copy over the MBR, but since they are not, I'm worried about wrecking
> > my partition table.
> >
> >
> > Thoughts and advice are urgently needed. Thanks!!!
> >
> > - Erich
> >
> > --
> > "A man is defined by the questions that he asks; and the way he goes
> > about finding the answers to those questions is the way he goes
> > through life."
> >
> 
> 
> 
> -- 
> "A man is defined by the questions that he asks; and the way he goes
> about finding the answers to those questions is the way he goes
> through life."
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