Migrating HDs on remote server

[Erich Newell]

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 at 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."