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by spaceknarf 2739 days ago
There's a lot of good descriptions in this book:

Backup & Recovery - Inexpensive Backup Solutions for Open Systems

https://www.oreilly.com/library/view/backup-recovery/0596102...

It's from 2009, but going through the comments here it seems not much has changed. It will help you choose the right tools, and with many of the open source ones, configure them.