High Availability with Microsoft SQL 2014 AlwaysOn

SQL 2014 Enterprise Edition supports the AlwaysOn Availability Groups. This is a feature for high availability and disaster recovery that is an enterprise-level alternative to database mirroring. This prescriptive design guide uses all local disks; no complex iSCSI or Fibre Channel configurations are required. All configurations can be completed using the CenturyLink Cloud Blueprints and the appropriate system configurations.

Learn how to configure AlwaysOn for SQL 2014
SQL 2014 AlwaysOn System diagram

An availability group supports a failover environment for a discrete set of user databases, known as availability databases, which fail over together. An availability group also supports a set of read-write primary databases and one to eight sets of corresponding secondary databases. Optionally, secondary databases can be made available for read-only access and/or some backup operations.

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