Beyond Block and File: COSI Enables Object Storage in Kubernetes

4 years ago thenewstack.io

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Cloud Native Computing Foundation sponsored this post, in anticipation of KubeCon+CloudNativeCon Europe 2021 – Virtual, May 4-7. There are other options for container orchestration systems, but Kubernetes is recognized as one of the most popular and mature options.

Moreover, from the point of view of Kubernetes users, the choice of storage vendor and type is limited to a few that have their plugins in the repository.

The unit of provisioning in object storage is a bucket (not a volume) and buckets are not mounted.

While the existing primitives in CSI do not apply to object storage, COSI provides a common layer of abstraction for provisioning and managing the lifecycle of object storage buckets.

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