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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.


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
Reliability Engineering
Service Management
Data Management
Data Governance
Service Level Agreement

Data Management

This is the complete list of articles we have written about data management.
Data Availability
Data Attribute
Data Cleansing
Data Control
Data Custodian
Data Consumer
Data Escrow
Data Integration
Data Corruption
Data Liberation
Data Lineage
Data Entity
Data Loss
Data Owner
Data Producer
Data Profiling
Data Proliferation
Data Quality
Data Masking
Data Risks
Data Science
Data Security
Legacy Data
Data Purging
Data View
Information Silo
Master Data
Personal Information
Privacy By Design
Product Catalog
Retention Schedule
Single Source Of Truth
System Of Record
More ...
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