From: dan <dan...@gm...> - 2007-12-28 20:28:13
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no, you will have to copy the entire 'pool' or 'cpool' over. you could copy individual pc backups, BUT when backuppc nightly runs it will remove any hardlinks from the pool that are not needed elsewhere. when you copy over pc backups after that, the will not use hardlinks and so your filesystem usage will go up a lot. i would very much suggest you do it all in one shot. i know that time is against you on this and that 2TB even over gigabit is 5 hours so i would suggest that you rsync the files over once and leave your other machine up running backups, then once it has finished, turn backups off and rsync the source to the target again. then you will have the bulk of the data over and only have to pull changes. i worry about the file count for 2TB being too much for rsync so consider Unison for the transfers. In my reading i have found that though unison has the same issue as rsync(same algorythms) for a high number for files, it can handle more files in less memory. I have done this method to push about 800GB over and it worked well, but my backup server has 2GB of RAM and runs gigabit. maybe consider adding some network interfaces and channel bonding them. i dont know if you have parts lying around but channel bonding in linux is pretty easy and you have agrigate each NICs bandwidth to reduce that transfer time though i suspect that your drives are not much faster than 1 gigabit NIC so you might not get much benefit on gigabit. On Dec 28, 2007 10:17 AM, Bryan Penney <bp...@mu...> wrote: > We have a server running BackupPC that has filled up it's 2TB partition > (96% full anyway). We are planning on moving BackupPC to another server > but would like bring the history of backups over without waiting the > extended period of time (days?) for the entire pool to copy. Is there > any way to copy "pieces" of the pool, maybe per PC, at a time? This > would allow us to migrate over the course of a few weeks without having > days at a time with no backups. > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2005. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > BackupPC-users mailing list > Bac...@li... > List: https://lists.sourceforge.net/lists/listinfo/backuppc-users > Wiki: http://backuppc.wiki.sourceforge.net > Project: http://backuppc.sourceforge.net/ > |