The 3-2-1 Back-Up Rule
The 3-2-1 back up rule is a comprehensive data protection plan that involves having multiple backups. It advocates for having three copies, but the more backups you have, the fewer chances of losing them all. Have the copies in two different formats. One back up copy should be offsite, preferably with a reputable managed IT service provider.
Here is a deeper look at the three aspects of this data protection plan.
Have At Least Three Copies of Your Data
Data storage is prone to failure, and a major data loss can occur at the most unexpected moment. It does not just disrupt the operations of the business, but it can result in major financial setbacks The worst part is that you can never predict how it will occur. Some common causes are:
- malware and viruses
- user error, such as deleting files accidentally
- theft of computers
- damage of hard drive
- damage caused by liquid spillages, such as accidental trigger of the sprinkler system
- fire accidents
- damage to computer systems due to extreme weather events
- industrial espionage
- power outages.
For this reason, having one back up is not enough. You should have at least three copies of your data. This will provide a safety net in that, if damage, theft, or accidental deletion occurs to one backup, you can still recover your data from the two extra backups.