Source code UNIX: What's your data worth?
Robert S. Gray · ;login:: the magazine of USENIX & SAGE · 1999
The tittle could also be phrased, What's your time worth if you have to re-create lost data? Last issue we took steps to protect computers from Internet invaders. Now let's consider the threats of equipment failures, user mistakes, and natural disasters. What can we do to minimize the damage from these events? Make copies is the answer and the topic of this article.