That will give you the exact same sized partitions as your old drive.
You could then expand the parition or just create another partition in
the extra free space and mount it.
Erich Newell 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."
>>
>>
>
>
>
>
--
___________________________
Charles R. Jones II
IT Team Lead/Senior Systems Engineer
Cisco Learning Institute IT Dept
work: 602.343.1534 cell: 602.738.9993
charles.jones@ciscolearning.org
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