On 3/12/2010 10:52 AM, Sylvain Viart - Gmail wrote:
> Hi,
>
>> Maybe it would be easier to reverse the concept and do a straight rsync to an
>> intermediate disk location at the primary site, keeping only one copy there,
>> letting the remote backuppc copy that and keep all the history. That has the
>> downside of having to write your own rsync scripts for the local copy or
>> finding
>> something else, but would be a more efficient approach since you don't have
>> to
>> copy in and out of backuppc's storage format all the time.
>>
> Yes !
> But the effort of writing the new rsync 'in between' seems not so easy.
>
> Because of each host config in backuppc, need to be respected.
> May be a wrapper of the original rsync command used by backuppc.
That would depend on how complicated the configs are. It might be as
simple as a shell loop that reads a file with lines containing hostnames
and paths to back up, cd's to a directory named for each host and
running the appropriate rsync commends there. Good error handling could
be a problem, though.
> But your suggestion seems good.
> Because, I've the same sort of result on the secondary, a full tree with
> every host.
>
> I had to rethink about the whole picture.
>
> The storage is best on my secondary, but it is off site for all final
> host target.
>
> what about the purge, on the middle storage, rsync --delete ?
Yes, that would work - although you do set up a scenario where if the
target dies in mid-backup you have an inconsistent snapshot since you
only have one local copy. Or if a mount point is unmounted, you'd wipe
the previous copy - but you could recover from those hopefully unlikely
events from the secondary backuppc copy which could hold some history.
--
Les Mikesell
[email protected]
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