search for: bdsync

Hi! After having wrestled with rsync and several patches I found a solution to synchronize block devices: BDsync. Bdsync can be used to synchronize block devices over a network. It generates a "binary diff" in an efficient way by comparing MD5 checksums of 32k blocks of block devices. This binary diff can be applied to "destination" after which the local blockdevices are synchronized....

...e deltas is as good as > anything you can get right now. Plain rsync is going to be very slow for large file transfer. I strongly suggest to experiment with rsync "--inplace no-whole-file" options to really transfer/write changed bits only. If that does not cut in, you can try with bdsync[1] or blocksync[2] [1] https://github.com/TargetHolding/bdsync [2] https://github.com/shodanshok/blocksync >> - blockcommit the overlay: blockcommit guest /path/to/testsn --active >> --wait --verbose --pivot >> - delete the snapshot: snapshot-delete guest --snapshotname testsn...

Hi, currently i'm following https://wiki.libvirt.org/page/Live-disk-backup-with-active-blockcommit. I 'm playing around with it and it seems to be quite nice. What i want is a daily consistent backup of my image file of the guest. I have the idea of the following procedure: - Shutdown the guest (i can live with a downtime of a few minutes, it will happen in the night). And i think