Timothy J. Massey wrote: > Hello! > > Some time ago, someone e-mailed a script that performed a dd/netcat in > an rsync-like manner: it hashed blocks of the disk and if they matched > between the two sides they were not sent. If they didn't, the block was > sent. The idea was to limit the amount of data that would be sent in a > dd to the relative minimum amount of data that has changed. > > I've tried and tried to find this thing, but I just plain cannot--either > in the list archives or anywhere else Google searches. Does anyone have > such a script--or even know what I'm talking about? > > I think this might have been a home-grown script, but it would be very > useful, given that currently the only way to effectively clone a backup > server is dd, and dd'ing a 500GB partition is not exactly practical, > especially when only a few gig has actually changed from the last time... > > Tim Masesy >
I did some searching and found that several people have expressed interest in a block-device feature for rsync, but nothing has come of it yet. I also found DRBD (Distributed Replicated Block Device), which probably does exactly what you want. Joe ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List: https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki: http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/