What Exactly is High Availability? Failover and High Availability Demonstration from ZSecurity

NOTE: Since this video was released it is now recommended to use new BGP-based IP address failover methods outlined here ip-sharing-availability High availability HA is a term that describes a website or application with maximum potential uptime and accessibility for the content stored on it.
While a more basic system will be adequate to serve content to a low or medium number of users it may include a single point of failure.
In this video Adrian from zSecurity demonstrates how to deploy high availability applications.
Chapters: 0:00 - Introduction 0:30 - Principles of High Availability 3:11 - Why is HA Important? 4:45 - What Failover Model Are We Implementing? 6:25 - Examining our Workflow 7:05 - Server Setup 9:46 - Install keepalived 10:25 - Create Standby Instance 12:00 - Install keepalived on the Standby Instance 12:50 - Configuring keepalived.conf 19:25 - Process Tracking 22:11 - Conclusion New to Cloud Computing? Get started here with a 100 credit Read the doc for more information on High Availability Check out High Availability reference architecture Subscribe to get notified of new episodes as they come out zsecurity failover highavailability linode Product: Linode High Availability Failover zSecurity

Источник: rutube.ru