Robin Lee Powell wrote:
> On Wed, Feb 06, 2008 at 10:20:46AM +0100, Nils Breunese (Lemonbit)
> wrote:
>> It is generally believed on this list (I believe) that it's not
>> feasible to use something as 'high-level' as rsync to replicate
>> BackupPC's pool. The amount of memory needed by rsync will just
>> explode because of all the hardlinks. Usually people have been
>> using low-level tools like dd or dump to copy a complete pool
>> filesystem to another one.
>
> Then this list believes wrongly; I've had no problems doing it at
> all, for some weeks now. It's the getting it encrypted part that's
> tricky.
>
> rsync has to think for a while, but it works, and I've never noticed
> any memory problems on that machine. The machine does have 2GiB of
> RAM, however.
It will work up to some limit on filenames and hardlinks that backuppc
archives are likely to exceed. There are 2 issues - there is a fixed
memory overhead per filename that is handled in a single run and the
mechanism to match up the linked files doesn't scale well.
--
Les Mikesell
[EMAIL PROTECTED]
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