Recently I replaced my Synology DS1815+ with a new Synology DS1621+ NAS. After migrating all the data from the old to new NAS and re-setting up Backblaze on the new Synology, I wanted to have a second backup of everything… just in case. If you already have an AWS account and want to know how to backup your Synology NAS to Amazon Glacier then keep reading. How to backup Synology NAS to AWS Glacier First log into your Synology NAS…