Pouya Tafti <pouya+lists.netbsd%nohup.io@localhost> writes: Yes, amanda can deal with drives without changers. >> These days, disks are pretty cheap, but they probably cost >> more to mail, and mailing them often isn't really good for >> them. Think about the cost of a 4T external USB drive vs >> tapes that hold 4T. > > I'm mainly concerned about the durability of data stored > offline on tape for extended periods and their relative > fragility (but maybe I'm ignorant and they're sturdier nowadays > than they were 20-30 years ago...). My view is that any one disk or tape is not that safe, but that if you have copies on 5 disks (not all in the same place) the odds you can read one of them are very high. > With periodic rewrites, my concern is I may discover corruption > (due to RAM, OS bug, etc.) too late after all copies have been > corrupted. yes, that's why it's important to add state to backups, not overwrite all the time, and hence bup or equiv. Even if you go with a tape setup you may also want to bup/etc. to offline local hard disk.
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