I originally heard this mentioned on an episode of MacBreak Weekly, when one of the guests was Peter Krogh. The dpBestflow project is funded by the US Library of Congress. While the content they produce is geared mainly towards digital artwork and workflow best-practices, their recommendations can be applied to other disciplines as well.
As an example, here is the 3-2-1 Rule for backup strategies documented on their site. See links below to learn more about the project and Peter Krogh.
The 3-2-1 Rule
The simplest way to remember how to back up your images safely is to use the 3-2-1 rule.
- We recommend keeping 3 copies of any important file (a primary and two backups)
- We recommend having the files on 2 different media types (such as hard drive and optical media), to protect against different types of hazards.*
- 1 copy should be stored offsite (or at least offline).
*While 3-2-1 storage is the ideal arrangement, it’s not always possible, particularly for images in the early stages of the lifecycle. A second media type, for instance, is impractical for many people in the ingestion or working file stage. In these cases, many people make do with hard-drive-only copies of their data. Best practices, however, still require 3 copies and some physical separation between the copies.
[amazonify]0596523572[/amazonify]Learn More:
- http://dpbestflow.org/project-overview
- Backup Best-Practices at dpBestflow
- [[[Digital Asset Management]]]
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