On Wed, May 23, 2012 at 1:25 PM, Timothy J Massey <tmas...@obscorp.com>wrote:
>
>
> On May 23, 2012, at 11:58 AM, "Carl Wilhelm Soderstrom"
> <chr...@real-time.com> wrote:
>
> > On 05/22 08:18 , ad^2 wrote:
> > > >From what I have read even though tar supports a hardlink option it
> > > will not do the trick with BackupPC. Have you use tar to copy the
> > > __TOPDIR__/pc directory?
> >
> > Yes. Works fine using 'cd /var/lib/backuppc/; tar cpf - | nc
> > targethost.domain.tld 8888' (and obviously having a receiving netcat on
> the
> > opposite side).
>
> Just out of curiosity, what is the advantage of using tar in this fashion
> rather than, say, copying over the data partition at the block level? If
> you need more space, you could then grow the file system.
>
> Obviously, if there's something you don't like about the old filesystem,
> tar would work out better (such as changing filesystem type or something).
> But I'm wondering if there is some other reason that I might be missing.
>
> Timothy J. Massey
> Sent from my iPhone
>
>
>
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My guess is the backup directory was not on it's own LVM or mount point so
a block level copy would grab more than just the topdir. In my case I was
going from xfs to ext4 so the tar method was required.
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