On 12/22/2010 1:06 PM, Timothy J Massey wrote:
>
> > The more I think about it the more I understand how much "magic" must be
> > going on in the backuppc backend!
>
> Actually not that much. Much of the magic is actually in rsync; the only
> real "magic" in BackupPC is that it can detect when a "new" file is
> actually the same as any other "existing" file and eliminate the
> duplicated space.
And under the covers, the fact that the server side's perl rsync
implementation works with a compressed local copy while exchanging block
checksums with a remote native rsync and it's uncompressed version of
the file...
--
Les Mikesell
[email protected]
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