Hi everyone, if anyone can comment, assistance is appreciated. I'm trying to use "BackupPC_tarCreate" to facilitate the 'extraction' of a 'last known good backup' for a given backup dumped to filesystem, so that it can be rsync transferred to a remote site for 'offsite backup copy'.
However, it isn't behaving as I had expected; so I wanted to check with the list if I've simply misunderstood how this command is expected to behave. Context: This is a backup job that has 32 days worth of runs - one full backup on the first day, and incrementals each day since. The full backup footprint is ~60gb and then each day it varies between 0.5-2gb of changes. I was under the impression that a command as follows: /usr/share/backuppc/bin/BackupPC_tarCreate -h mainserver -s OfficeDocs -n -1 . > most-recent.tar would generate the file, most-recent.tar, with a complete set of all files / with the most recent updates from the latest update being overlaid with the older full backup set. Thus I would have expected a ~60gb output tarball. Instead, what I see is a ~1.3gb output tarball which has only files changed in the ~last 24 hours. If I issue the command as follows: /usr/share/backuppc/bin/BackupPC_tarCreate -h mainserver -s OfficeDocs -n 0 . > backup-zero.tar I do end up with a ~60gb tarball which represents all the files that were backed up on the first day. So. Just wanted to check, - is this expected behaviour? - if I want to get 'full backup and latest' offsite, do I just need to take a copy of the 'zero day' tarball offsite, and then each night, generate a tarball of 'diffs for that day' using the n of minus one flag -- and rsync that out -- and I'll be 'ok'. - or is there some other way to get the BackupPC_tarCreate command - to automagically merge diffs with full - so that each night it dumps the 'whole, latest' ? Any comments are certainly greatly appreciated. Tim ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ BackupPC-users mailing list [email protected] List: https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki: http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
