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5 Examples of a Cold Standby

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A cold standby is a technique for improving reliability and mitigating risks by preparing an idle backup for infrastructure, facilities, equipment, systems and components. The following are illustrative examples.


A data center maintains two power generators that are only used if the power grid fails.


A company with three offices within close proximity leases a cold site some distance away for disaster recovery. If offices are inaccessible due to a disaster, employees will convene at the cold site to recover business capabilities.


A development team on a tight schedule keeps a few configured devices such as laptops and servers around as backups.


A manufacturing company's disaster recovery site includes servers that are cloned from production systems every Sunday night. Cold backups of systems typically require work such as data imports before they can be used.


A data center keeps a stock of network devices and parts that can be swapped when something fails.
Overview: Cold Standby
An idle backup of infrastructure, facilities, equipment, systems or components.
Related Concepts
Next: N+1 Redundancy

Reliability Engineering

This is the complete list of articles we have written about reliability engineering.
Cold Standby
Defensive Design
Design Debt
Design Life
Error Tolerance
Fault Tolerance
Graceful Degradation
Latent Error
Material Strength
Mistake Proofing
Wear And Tear
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