[mythtv-users] OT: Best way to migrate to new hard drive?

[Steve Frank]

Thanks, Jason. That makes perfect sense.  I can problably muck around
with the LVM setup after dd'ing to re-add the extra space (going from
80G to 120G).

- Steve
 

> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org 
> [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of 
> werpy at brookings.net
> Sent: Friday, June 11, 2004 6:46 AM
> To: Discussion about mythtv
> Subject: Re: [mythtv-users] OT: Best way to migrate to new hard drive?
> 
> > What's the best way to move my MythTV box from a dying hard 
> drive to a 
> > new one?
> > 
> > Before you answer, understand I'm using LVM in this case for my 
> > recordings partition (everything else is currently ext3 on plain 
> > partitions).
> > 
> > Symantec Ghost is an option up until LVM enters the picture. I've 
> > looked at Mondo Rescue (http://www.mondorescue.org/index.html),  
> > PartImage (http://www.partimage.org/), and g4u 
> (http://www.feyrer.de/g4u/).
> > 
> > Mondo Rescue comes close because it supports LVM, but not in a 
> > disc-to-disc fashion.  It's more geared up for doing a 
> rescue CD or up 
> > to the network.  G4u doesn't care about the filesystem, but it's 
> > mostly for moving from the same geometry, rather than 
> resize, and in 
> > this process I'm putting in a larger drive. Partimage 
> doesn't seem to 
> > mention much about LVM, so I'm a little confused there.
> > 
> > I may just remove the LVM partition entirely and recreate it.
> > 
> > I'm not a LVM guru. Fedora Core set it up nicely, and it 
> allowed me to 
> > span to a second drive to get a really big store for Myth.  
> I was able 
> > to get that drive removed after archiving off some old 
> recordings so 
> > this process could be simplified down to one drive.
> > 
> > I'm guessing some of you gurus in MythTV-users have done 
> this sort of 
> > thing before?
> > 
> > - Steve
> > 
> 
> 
> Steve,
> 
> If you want to do it the hardcore linux way, you can use dd 
> to copy your drive over bit for bit.  Actually you don't need 
> to to the whole drive (dd if=/dev/hda of=/dev/hdb), as long 
> as all of your partitions are of identical size you can just 
> dd partition by partition (dd if=/dev/hda1 of=/dev/hdb1).  
> The only caveat with partition copying is you have to copy 
> the boot sector using dd as well, hold on googling.... here 
> it is (dd count=1 bs=512 if=/dev/hda of=/dev/hdb).
> 
> After all that your new disk should be a copy of your 
> original disk and you should be able to swap the new drive 
> with the old one and boot into the identical system.
> 
> Jason
> 
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