Hi, I made a backup script to backup RBD images in the pool by snapshots and exporting the first snapshot and afterwards only the diffs.
I notices however that creating a diff from one image to the next is always a certain size. And its much bigger then only the changes from one snapshot to the next. I have shared the script here, https://github.com/normanu/rbd_backup So you can see what I am doing. But I wonder if I am doing something wrong or if there is always a overhead in backing up diffs. Thanks, Norman
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