Amazon S3 vs Datto

• Highly available and redundant; we do not worry about the service having downtime
• Simple usage from multiple different frameworks using Amazon's SDKs, or roll your own
• A large number of bucket policies and security adjustments to tailor usage to customer needs
• Regional support for storing assets in particular locations around the world

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• Simple agent setup for new machines to be protected. A new machine can be setup on the server in under a minute whether it be a Linux or Windows based machine.
• Local virtualization on the Datto is quick to start up. After a physical problem with a server I had the machine locally virtualized on the Datto before users had a chance to report service issues to me.
• Nothing to do on my end to get backups shifted to offsite data center. Schedules are setup for each machine or group of machines and I sleep well knowing all our backups are safely stored offsite.

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• No support for object versions retention: There can be a retention policy(days or number) for object versions that are stored in S3 so that we don't have to worry about paying extra for all the old versions of an object in the bucket.
• No feature for replication within a region: Currently AWS does not support replication within a region. Also, having to enable versioning for buckets in which you need replication makes it even more costly.
• Confusing pricing: The pricing model of S3 can be a little confusing for a new customer with questions regarding data transfer from other AWS services, between buckets or data transfer to the outside world.

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• Initial backup sync: The downside to the cloud backup is that, if you have a lot of data, you need an external hard drive to seed to the cloud. And you usually have to request this after you've already got everything else working.
• Unsyncing: We have pretty decent bandwidth, but with 8TB of data, we'd get syncing issues with the cloud servers every 3 months or so. The only way to address it was to request another external drive and resync it, but that also meant losing the older data.
• Availability and support: Datto only operates through MSPs and VARs, and will not help you directly without putting in a ticket with your provider. This causes delays, and extra epenses, and if you grow beyond the need for an MSP, you have to keep them around for at least that piece.

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• It practically eliminated some real heavy storage servers from our premises and reduced maintenance cost.
• The excellent durability and reliability make sure the return of money you invested in.
• If the objects which are not active or stale, one needs to remove them. Those objects keep adding cost to each billing cycle. If you are handling a really big infrastructure, sometimes this creates quite a huge bill for preserving un-necessary objects/documents.

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• We've saved some money by consolidating backups offsite to the one appliance and letting it store backups in one location offsite, rather than trying to maintain several different platforms or connections.
• Negatively, since the appliance doesn't expand in storage, we've got sunk costs into this unit and will have to move to something else to continue growing. I work in healthcare and we can't just purge charts and stop backing up information, I've got to expand my ability to back up that information.

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