People still consider tapes to be the best medium for storage.
As going out of fashion, they, including tape recorders, become
expensive. Personally, I use usb hard drive to keep it available.
CD/DVD optics are hard to trust, since they change over 5 years
or so. For ones with deep pocket, do what banks do: buy vms
node, get tape recorder, hire guy with glasses and have incre-
mental back up. Everything once a week and partial every day.
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