[sf-lug] Linux backup software .. that meets unique requirements

Alex Kleider a_kleider at yahoo.com
Fri Mar 12 12:13:24 PST 2010

I've just recently written a backup system in Python as an exercise and believe it fulfills all your criteria except #3 which I want to implement but haven't figured out how yet. Might you have an interest in collaborating? 

--- On Thu, 3/11/10, David Rosenstrauch <darose at darose.net> wrote:

> From: David Rosenstrauch <darose at darose.net>
> Subject: [sf-lug] Linux backup software .. that meets unique requirements
> To: "sf-lug" <sf-lug at linuxmafia.com>
> Date: Thursday, March 11, 2010, 11:17 AM
> Trying to find linux backup software
> that meets what apparently is a unique set of
> requirements.  I've checked out all the major backup
> apps (backuppc, duplicity, bacula, drop.io, etc.) but none
> of them seem to meet all of my requirements.  Anyone
> here know of one that does?  Here's what I'm looking
> for:
> 1) Backs up efficiently.  e.g., uses rsync algorithm
> or similar so as to not repeatedly backup/store files that
> haven't changed.
> 2) Transmission of backups is encrypted.
> 3) Storage of backups is encrypted.
> 4) Can back up to offsite/remote file system.
> 5) Can back up to any old plain vanilla
> sftp/rsync-accessible remote file system.  (Reason
> behind this requirement is that I already have access to a
> large amount of (non-encrypted) space for backups, and don't
> want to pay extra for another service.)
> 6) Does not require that you periodically take the network
> i/o storage hit of making a new full backup.  (This is
> not an option, as what the data I want to back up is getting
> large, and I only want to do it once.)
> For some reason it's impossible to find something that fits
> all of the above.
> * backuppc and rsyn don't satisfy #3.
> * duplicity doesn't satisfy #6.
> * drop.io and bacula don't satisfy #5.
> etc.
> Anyone have any suggestions here?  I'm actually on the
> verge of writing my own backup software to do this, but I'd
> *really* like to avoid that unless there's no other choice.
> Thanks,
> DR
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