moving to a larger hard drive...

[Aaron Vegh]

Hey Teddy,
It simply isn't practical to keep the 30GB around. It's practically
full now (~5GB left), and I really don't like the idea of having an
attached external hard drive. I intend to archive recorded video to
DVD... I don't have even enough room on the current drive to do that!

I've been searching the archives of TLUG correspondence, and found a
similar topic being discussed. Lennart (who else?) suggested:

------------snip
Partition, make filesystems, mount new partition, then cp -ax
/oldpartition /newpartition

That is the PROPER way to do it, and probably the fastest too since it
only copies the data.

dd is great for making clones of a disk to another identical disk.

You will have to reinstall the MBR/boot loader on the new disk of
course.
-------------snip

Of course. :-) I actually found a resource to explain that too:
http://linuxhelp.blogspot.com/2005/11/how-to-repair-corrupt-mbr-and-boot.html

Looks trivial enough. So I'm waiting for the cp operation to complete,
and we'll see if this works out. Fast, it aint...

Thanks,
Aaron.


On 12/2/06, Teddy David Mills <teddymills-VFlxZYho3OA at public.gmane.org> wrote:
> I would leave the 30GB in there for now.
> When the drive fills up, copy all the data in /myth/tv out to wherever
> you need.
>
> The target could be the 320GB SATA installed locally on the mythtv box.
> Possibly either on the SATA2 interface, or a Vantec external SATA/USB2 box.
> I have only 100mbit network cards and 100mbit switch, and I move 100GB
> of data every few weeks.
> I enabled samba on mythtv, and just copy all the data out to anything on
> the network that has the space.
>
> I know there are a lot of linux tools out there that do drive imaging,
> and do proportional copying.
> That is copy the data to the new drive and make new partitions in
> propotion to the original drive.
>
> However, even if you make the 320GB your primary drive, you will fill
> that up soon enough and
> will have to find some space somewhere to put that data.  Make do, until
> they release the HVD I guess.
>
> http://en.wikipedia.org/wiki/Holographic_Versatile_Disc
>
>
>
>
>
>
>
> Aaron Vegh wrote:
> > Hi TLUGers,
> > I've got a mythtv system that had a 30GB drive. Predictably, I have
> > now purchased a 320GB drive to replace it. Now, given the hassle
> > involved in getting the system working (and it's just right!), you can
> > imagine I'd much rather just duplicate the drive onto the larger one.
> > However, the dd command proved less than useful! It created a
> > duplicate but seemed to have made my drive 30GB in size. Plus, the
> > resulting drive wouldn't boot the computer (a problem with Grub,
> > perhaps? It stalls at a flashing cursor on boot, suggesting it doesn't
> > see a boot drive).
> >
> > Further complicating factors include the fact that the old drive is
> > IDE, the new drive is SATA2. We're moving from /dev/hda to /dev/sda.
> >
> > I've read online that dd will simply replicate the partition, but
> > there must be a way to move files across such that it'll boot?
> >
> > Any advice you can give would be tremendously helpful.
> >
> > Thanks,
> > Aaron.
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