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What is Data Availability?

 , updated on April 15, 2017
Data availability is a term for the uptime of data services, infrastructure and hardware. High availability data services are achieved with reliability engineering and service management techniques that minimize failures and mean time to repair.

Measurement

Data availability is typically measured as a percentage of uptime with services commonly offering 99.9% and greater availability.
UptimeDowntime (monthly)Known As
99.9%43.8 minutesThree Nines
99.99%4.38 minutesFour Nines
99.999%26.28 secondsFive Nines
99.9999%2.628 secondsSix Nines
Overview: Data Availability
TypeData Management
DefinitionThe uptime of data services, infrastructure and hardware.
Related ConceptsAvailability
Uptime
Reliability Engineering
Service Management
Data Management
Data Governance
Service Level Agreement

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Data View
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MDM
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Single Source Of Truth
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