On Tue, Aug 28, 2012 at 2:04 PM, John R Pierce <pierce at hogranch.com> wrote: > On 08/28/12 11:41 AM, Les Mikesell wrote: >> On Tue, Aug 28, 2012 at 3:03 AM, Rainer Traut<tr.ml at gmx.de> wrote: >>>> >> >>> >Rsync is of no use for us. We have mainly big Domino .nsf files which >>> >only change slightly. So rsync would not be able to make many hardlinks. :) >> Rdiff-backup might work for this since it stores deltas. Are you >> doing something to snapshot the filesystem during the copy or are >> these just growing logs where consistency doesn't matter? > > NSF files are a proprietary database format used by Lotus Notes and > Domino, very complex, there's a pile of versions, and they are totally > opaque. Pretty sure that if they are being accessed or updated while > being copied the copy is invalid, so yes, some form of snapshotting is > required. > > commercial backup software uses Domino/Notes APIs to do incremental > backups, for example > http://www.symantec.com/business/support/index?page=content&id=TECH46513 If there is a command-line way to generate an incremental backup file, backuppc could run it via ssh as a pre-backup command. -- Les Mikesell lesmikesell at gmail.com