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TASK: add disambiguration between Cloud Storage and Tiered Storage

Sebastian Kurfürst 2021-12-24 08:17:34 +01:00
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Cloud-Drive-Benefits.md

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# Introduction
> NOTE: SeaweedFS provides **two mechanisms** to use cloud storage:
> 1) **SeaweedFS Cloud Drive** (**<== You are here**)
> - in this case, you can **mount** an S3 bucket to the Seaweedfs file system (in the filer), and access the remote files
> through SeaweedFS. Effectively, SeaweedFS caches the files from the cloud storage.
> - In this mode, the file structure in cloud store is exactly matching the SeaweedFS structure - so every
> file in SeaweedFS will also become a file in the cloud storage provider.
> - This is useful in case you want to use the files inside the cloud provider's infrastructure.
> - However, this does **not support file encryption** in any way (obviously), as the files are put to Cloud Storage as is.
> 2) [Tiered Storage with Cloud Tier](https://github.com/chrislusf/seaweedfs/wiki/Cloud-Tier)
> - In this mode, seaweedFS **moves full volume files to the cloud storage provider**, so files which are 1 GB (in our case) big.
> - This mode supports [Filer Data Encryption](https://github.com/chrislusf/seaweedfs/wiki/Filer-Data-Encryption) transparently.
> - The chunk files uploaded to the cloud provider are not usable outside of SeaweedFS.
## Cloud is not for everyone
Nowadays, the industrial trend is to go to cloud storage, since "everybody is doing it". But after really using cloud storage, many users will find out: