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

[Steve Frank]

> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org 
> [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of IvanK.
> Sent: Friday, June 11, 2004 10:19 AM
> To: mythtv-users at mythtv.org
> Subject: Re: [mythtv-users] OT: Best way to migrate to new hard drive?
> 
> On Friday 11 June 2004 11:08 am, Kevin Kuphal wrote:
> > Steve Frank wrote:
> > >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?
> >
> > It may seem simplistic, but can't you create a new LVM 
> volume on the 
> > new disk and just copy the data from one to the other and 
> then remove 
> > the old disk.  Once done, you can mount the new LVM volume 
> in place of 
> > your old one and everything should be fine.  Or am I 
> missing something?
> >
> 
> Exactly my suggestion.  Plus a little know switch to cp is -a 
> which is shorthand for -dpR, where d=--no-dereference 
> --preserve=link, p=--preserve=mode,ownership,timestamps, and 
> R=--recursive.
> 
> -a effectively makes a backup of a filesystem.  I've used it 
> many a time to move a working operating system from one 
> partition (or disk) to another.  
> Never fails.  That would avoid the need for ghost-like programs.
> 
> You still have to cope with the failing hard drive of course. 
>  But usually in the first stages of hard drive failure, the 
> partitions are still accessible, albeit a few tries may be 
> required to mount the file system(s).
> 
> IvanK.
> > Kevin
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> 

I've used CP to do this stuff before.  It's the LVM stuff that I'm a tad
bit odded out by.

The drive isn't so far gone I cannot use it. I've got S.M.A.R.T.
thresholds I'm about to cross.  

Thanks!