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The 3-2-1 Rule: Your Last Line of Defense Against Losing Everything

Greg Doig Season 7 Episode 8

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0:00 | 1:32

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Imagine losing every photo, document, and file you own in an instant. It happens more often than you think—and usually to people who believed it could never happen to them. The 3-2-1 backup rule is your insurance policy against digital disasters, and it's surprisingly simple:

  • 3: Keep three copies of your data. This includes the original data plus two backup copies.
  • 2: Use two different types of media for these backups. For example, one could be on an external hard drive, and the other on a cloud storage service or a different type of physical medium like tape. This reduces the risk of data loss due to media failure.
  • 1: Maintain one copy off-site. This ensures that in case of disasters like fires, floods, or theft at your primary location, you still have access to your data. Cloud storage often serves this purpose, but physical off-site storage like a safe deposit box can also be used.

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The 3-2-1 Rule: Your Last Line of Defense Against Losing Everything

00:00:05 Greg Doig: Imagine losing every photo, document, and file you own in an instant. It happens more often than you think and usually to people who believed it could never happen to them. The 3-2-1 backup rule is your insurance policy against digital disasters, and it's surprisingly simple. The three is keep three copies of your data. This includes the original data plus two backup copies. The two is use two different types of media for these backups. For example, one could be an external hard drive and the other on cloud storage service or a different type of physical medium like tape. This reduces the risk of data loss due to media failure. And the one is maintain one copy off-site. This ensures that in case of disasters like fires, floods, or theft at your primary location, You still have access to your data. Cloud storage often serves this purpose, but physical off-site storage like a safe deposit box can also be used or even a family member or friend's home. This strategy helps safeguard against data loss by protecting against various types of failures or disasters, including hardware failure, user error, or natural calamities. Don't wait until it's too late. Start implementing the 3-2-1 rule today.

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