Chapter 7. Backup, Synchronization, and Recovery of Data

Most people who have been around computers for a long time have horror stories of disk crashes and data loss. And even if your story isn't horrific, you probably have an "Oh, $#!*!" moment or two when things go wrong and you lose an hour's or a day's (or more) worth of work. The thing is, the minute your hard drive was created, it started a countdown toward its mean time before failure (MTBF—a rating that measures the average amount of time before a hard drive fails); of course, more frequently, we tend to occasionally make mistakes (either as a user or a developer), so we must make sure we have effective ways of backing up and syncing our data.


An interesting article explaining MTBF ...

Get Learn Mac OS X Snow Leopard now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.