Having a solid backup plan is as easy as 3-2-1. The best practice for having your important data be as safe as possible is to follow the 3-2-1 backup rule. The rule is as followed:
3 Copies of your data You should have 3 copies of your data, the original copy being one of them.
2 Types of media Your backups should be on two different types of media. For example: CD + Hard Drive or Tape + Cloud (eg.