Well, There is no doubts backup plays a very important role on any server. A server running without backup is like car running without brakes, Any disaster will cause huge data loss and financial crises for the company there is no question about how important backups and this has been well discussed with end number of times on various articles.
This step by step blog post will guide you to understand backup configurations and how to configure backup with the best recommended settings.
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Hope you will find this article helpful.