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“ DISASTERS_ Photo: NOAA/Unsplash (YOUR DATA CENTRE)

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“ NOT JUST ACTS OF GOD_ (YOUR FINGER) Photo: -goldy-/iStock

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KEY TERMS FOR RECOVERY_ Recovery Time Objective (RTO) Recovery Point Objective (RPO) Service Level Agreement (SLA) Service Level Objective (SLO)

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RECOVERY TIME OBJECTIVE_ The maximum amount of time a service can be degraded. Measured from start of incident to restoration of service. In short: downtime.

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RECOVERY POINT OBJECTIVE_ The maximum amount of time since the last data recovery point. How much data loss is acceptable.

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SERVICE LEVEL OBJECTIVE_ SERVICE LEVEL AGREEMENT_ Defines a service level indicator (metric) and its desired value. E.g. The service must be accessible 99.95% of the time within a month. An agreement between a service provider and their customers. Defines a service level objective and the compensation if this objective is not met.

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LET’S MAKE A PLAN!_

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WHAT’S IN A PLAN?_ Triggering events RTO/RPO Key personnel Recovery steps Testing procedure

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“ TRIGGERING EVENTS_ Photo: Max LaRochelle / Unsplash

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“ RTO/RPO_ Photo: Afif Ramdhasuma / Unsplash

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“ Photo: Vlad Hilitanu / Unsplash KEY PERSONNEL_

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“ Photo: Bruno Nascimento / Unsplash RECOVERY STEPS_

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“ Photo: Nguyen Dang Hoang Nhu / Unsplash TESTING PROCEDURE_

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Photo: Colton Sturgeon / Unsplash DETERMENING RTO AND RPO IS A BALANCING ACT_ What disasters do you need to plan for? How likely are they to occur? How does this fit in with a larger business continuity plan? How much is it going to cost?

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UNDERSTANDING YOUR RESPONSIBILITIES_ Do you have SLAs with your customers? Do you have SLAs with your vendors?

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MORE POLLS!_

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DISASTER RECOVERY STRATEGIES_ COST/COMPLEXITY LOW HIGH BACKUP AND RESTORE PILOT LIGHT WARM STANDBY MULTI SITE RPO/RTO HOURS SECONDS

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BACKUP AND RESTORE_ Cost: $$$$ Simple RTO/RPO of hours Recover faster with IaC

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PILOT LIGHT_ Cost: $$$$ “Live” data Services need time to start RPO/RTO < 1 hour

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WARM STANDBY_ Cost: $$$$ “Live” data Services can handle some traffic immediately Testable RPO/RTO of minutes

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MULTI-SITE ACTIVE/ACTIVE_ Cost: $$$$ No failover RPO ~ seconds Real-time RTO

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“NO PLAN OF OPERATIONS REACHES WITH ANY CERTAINTY BEYOND THE FIRST ENCOUNTER WITH THE ENEMY'S MAIN FORCE HELMUTH VON MOLTKE DON’T FORGET TO TEST_

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HOW WE CAN HELP_ BACKUP & DISASTER RECOVERY REVIEW You’ll get: A hands-on assessment. A data catalogue. A disaster recovery readiness report. OR Book in a free surgery to discuss your DR strategy

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MORE POLLS!_

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KEY TAKEAWAYS_ Identify your RTOs and RPOs You need a plan! Architect for success Test your plan!

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KEEP IN TOUCH_ http:/ /www.scalefactory.com/ https:/ /github.com/scalefactory @scalefactory jon@scalefactory.com