Yes, and the transports to and from off-line storage taking different routes each day. And almost nobody (even operators) knowing where the storage was, only telephone numbers to ask for a certain medium when a restore was needed where available.
Yes, and the transports to and from off-line storage taking different routes each day. And almost nobody (even operators) knowing where the storage was, only telephone numbers to ask for a certain medium when a restore was needed where available.