Unrelated. Why to Qubes backups take a bazillion years?
You know you can open several topics?
I changed the title, could you remove outdated parts of your original post?
You can try to change the compression algorithm:
Or you can remove some qubes from the backup? I have some qubes containing mostly data. I back up the data with another tool and don’t bother backing up those qubes.
Provide more details if you really want to solve this.
