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What is Data Availability?

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Data availability is 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 downtime.


Data availability is typically measured as a percentage of uptime with services commonly offering 99.9% and greater availability.
Downtime (monthly)
Known As
43.8 minutes
Three Nines
4.38 minutes
Four Nines
26.28 seconds
Five Nines
2.628 seconds
Six Nines
Overview: Data Availability
The uptime of data services, infrastructure and hardware.
Related Concepts
Next: Reliability

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 Massage
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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