How to Install GlusterFS with a Replicated HA Storage Volume on Ubuntu Linux 16.04 LTS

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GlusterFS is a free and open source network distributed storage file system. Network distributed storage file systems are very popular amoung high trafficked websites, cloud computing servers, streaming media services, CDN (content delivery networks) and more. This tutorial shows you how to install GlusterFS on Ubuntu Linux 16.04 LTS server and configure 2 nodes high availability storage for your web server and enable TLS/SSL for WAN based connection between two data centers.

A single cloud or bare metal server is going to be a single point of failure. For example /var/www/html/ can be a single point of failure. So you deployed two Apache web-servers. However, how do you make sure /var/www/html/ synced with both Apache server? You do not want to server different images or data to clients. To keep your /var/www/html/ in sync you need a clustered storage. Even if one node goes down the other keeps working. Moreover, when failed node comes online, it should sync missing file from another server in /var/www/html/.

Read more: How to install GlusterFS with a replicated high availability storage volume on Ubuntu Linux 16.04 LTS and setting up TLS/SSL over WAN or the Internet for GlusterFS to incease security and privacy reasons.