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I am looking for a similar tool like rsnapshot, capable of doing incremental backups and easy viewing of different backup versions (=easy unpacking of all increments of a specific backup or viewing of single files without unpacking them all).

I sadly cannot use rsnapshot because my backup-provider does not support hard-links.

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up vote 3 down vote accepted

What might work is that you mount your backup space via cifs and create a large image file with a hardlink capable filesystem on it and then mount this image via the loopback device as a target for rsnapshot.

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This seems like a pretty good idea. But is this a commonly-used technique and does it involve risks? – Zulakis Sep 22 '12 at 12:26
Well it works somehow but i am getting various Input/Output Errors. Any ideas? – Zulakis Sep 23 '12 at 9:54
I finally got it! I was trying to back up a ext4 system to a ext2 backup filesystem. At all, your idea seems to work pretty well apart from it being pretty slow but that's okay at the moment. Thanks! – Zulakis Sep 23 '12 at 17:41

I am not familiar with rsnapshot but rdiff-backup might do the job... See for basic examples...

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