This may be way to complicated, but couldn't you create a loopback
filesystem that supports hardlinks in a file on amazon? I know you can
do encrypted loopback fs. You could even do a journaling fs with the
journal stored on a local device to help with the performance.
--Tod
On Wed, Nov 3, 2010 at 12:06 PM, gregwm <backuppc-users AT whitleymott DOT net>
wrote:
>> to copy my backuppc volume offsite i wrote a script to pick
>> (from <backupvolume>/pc/*/backups) the 2 most recent incremental and the
>> 2 most recent full backups from each backup set and rsync all that to the
>> remote site. i'm ignoring (c)pool but the hardlinks still apply amongst the
>> selected backups. you could do something similar to feed tar.
>
> fwiw my main motivation for this was due to rsync's consumption of memory
> related to the number of hardlinks it needs to process. rsync was thrashing
> forever until i trimmed down to only recent backups, thereby vastly reducing
> the amount of ram/swap rsync required to grapple with all those hardlinks.
> more recently, ironically, i've been using "storebackup" to transfer my
> backuppc data, as apparently storebackup is far more efficient with
> hardlinks than rsync.
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