LearnViz CompSci
Home / Learn / DevOps & Tooling / Disaster Recovery

Advanced Topic 48 of 50 DevOps & Tooling

Disaster Recovery

Plans and tooling to restore service after catastrophe.

How it works

Define RPO (acceptable data loss) and RTO (acceptable downtime); strategies range from backup-restore to pilot light, warm standby and multi-site active-active; test restores regularly.

Where it is used

Surviving regional failures.

Common pitfall

Untested backups are not backups.

Where it fits in the course

Disaster Recovery is topic 48 of 50 in DevOps & Tooling, rated Advanced. It follows Policy as Code. The next topic is DevSecOps.

Practice and explore

How to study this topic

  1. Read the explanation above and restate the definition in your own words.
  2. Open the interactive lesson and answer its mini quiz.
  3. Read the common pitfall, then write a short example that avoids it.
  4. Check your understanding in the DevOps & Tooling quiz, and revisit the topic if you miss a question.

Frequently asked questions

What is Disaster Recovery?
Plans and tooling to restore service after catastrophe. It belongs to DevOps & Tooling and is an advanced-level topic.
Where do people use Disaster Recovery?
Surviving regional failures.
What is the most common mistake with Disaster Recovery?
Untested backups are not backups.
What should I learn before this topic?
Start with Policy as Code, the topic just before it in DevOps & Tooling.
How can I practice it?
Answer the mini quiz in the interactive lesson, then take the DevOps & Tooling quiz.
Is Disaster Recovery hard to learn?
It is an Advanced topic. Expect to read the explanation more than once and to connect it with earlier topics. Working through a small example by hand helps most.
How long does it take to learn Disaster Recovery?
Most learners can read the explanation and finish the interactive lesson in under an hour. Fluency comes from applying the idea, so plan a few short practice sessions with the quiz.
Which topics are related to Disaster Recovery?
Policy as Code, DevSecOps, Platform Engineering are closely connected. The full list is in the related topics section of this page.
What should I study after Disaster Recovery?
Continue with DevSecOps, the next topic in DevOps & Tooling.

Related topics