Backup system that handles deltas for large image files?

[betatester77]

Agreed. I once wrote a posting about my test recoveries to vm, everything worked as expected.

Bare metal restore from restic repo: worked fine!

Today I wanted to try a full “bare metal restore” from my restic backup. I wanted to see how it works so that I did it at least one time when there is a real disaster. I chose a smal webserver of mine with about 20GB of data which is backed up with restic each night to a sftp repo. The backup covers everything ("/"), just excluding proc, sys, tmp and var/tmp. What I did: created a VM which is big enough at some cloud provider booted it with the provided resuce system downloaded restic to /us…