On Thu, Dec 02, 2010 at 01:27:17PM +0100, Oliver Freyd wrote:
> Hello,
>
> I'm a happy user of BackupPC since a few years,
> running an old installation of backuppc that was created
> on some version of SuSE linux, then ported over to debian lenny.
>
> The pool is a reiserfs3 on LVM, about 300GB size, but with a lot of
> hardlinks...
> Now I'm trying to put the pool onto a new filesystem, so I created an
> XFS on a striped RAID0 of 3 disks (to speed up copying), and use
> rsync -aHv to copy everything including the hardlinks.
> The cpool itself took about a day, and now it is running for 6 days and
> maybe it has done 70% of the work. BTW, a copy with dd takes about 2 hours.
>
> I've tried to do this with BackupPC_TarPCCopy, but it does not seem to
> be any faster.
IME it's *much* faster that way; you do BackupPC_TarPCCopy, and then
rsync the cpoll *without -H*. It shouldn't take any longer than the
actual data transfer time itself.
I've moved user backups of a TiB and larger in a day or two this
way.
If you try to copy BackupPC data with rsync -H, you're doing it
wrong.
-Robin
--
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