Differences between high availability (HA) and Disaster Recovery (DR)

High availability and disaster recovery are not the same thing. Although there are overlapping parts in planning and solutions, they are both subsets of business contiunity.

The purpose of HA is to provide resiliency (resiliency) support and planned downtime within the primary data center.

The purpose of DR is to enable an organization to recover the normal use of a computer in the second datacenter when a disaster occurs in the first Data center and affects the availability of the infrastructure.

High availability and disaster recovery is not the same things. Although there was overlap in planning and solutions, they was subsets of business continuity. The purpose of high availability are to provide resiliency within the primary data center and planned downtime. The purpose of disaster recovery is to enable an organization to resume computer operations in a secondary data center whe n a disaster at the primary data center makes the infrastructure unusable.

Resources:

Create a high availability architecture and strategy for SharePoint 2013

Https://technet.microsoft.com/en-us/library/cc748824.aspx

Differences between high availability (HA) and Disaster Recovery (DR)