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OpenEBS vs Rook: What are the differences?
Introduction
Here, we will discuss the key differences between OpenEBS and Rook in detail. Both OpenEBS and Rook are storage software solutions for Kubernetes, but they have certain distinctions that set them apart from each other.
Architecture: OpenEBS uses a Container Attached Storage (CAS) model, where the storage engine runs as lightweight containers within each worker node. On the other hand, Rook utilizes an Operator pattern, which allows it to manage storage orchestration through custom resources within Kubernetes.
Data Replication: OpenEBS offers multiple data replication strategies, including synchronous and asynchronous, allowing users to choose the level of data redundancy they require. In contrast, Rook primarily relies on distributed storage systems like Ceph, which provide built-in replication mechanisms.
Data Mobility: OpenEBS allows data volumes to be moved across different storage engines. This enables users to leverage varying performance characteristics and features offered by different storage backends. Conversely, Rook heavily relies on a single storage engine, such as Ceph, making data mobility more restricted.
Installation and Configuration: OpenEBS installation requires a simple, multi-component deployment that can be set up using various tools like Kubernetes Operators or Helm charts. On the other hand, Rook has slightly more complex installation and configuration steps due to its association with distributed storage systems like Ceph.
Community and Support: OpenEBS has been developed and maintained as an independent project with a growing community. It is backed by multiple organizations and has active user support channels, making it easier for users to get assistance. Rook, on the other hand, is part of the CNCF (Cloud Native Computing Foundation) ecosystem and benefits from a broader community and industry support.
Ecosystem Integration: OpenEBS is designed to be integrated with various storage engines, enabling users to choose the most suitable options for their workloads. Rook, on the other hand, is tightly coupled with distributed storage systems like Ceph, making it more suitable for users seeking the advanced features provided by such systems.
In summary, OpenEBS offers a more flexible architecture with various data replication strategies and data mobility options, making it suitable for diverse storage requirements. Rook, on the other hand, has a stronger association with distributed storage systems like Ceph and benefits from a larger community and ecosystem integration.
Pros of OpenEBS
- Great support on Slack7
- Open source6
- Easy to use6
- Container attached storage5
- In user space5
- Cloud native storage3
- Large community3
- Everything in OpenEBS is a Kubernetes CR3
- CNCF Project2
Pros of Rook
- Minio Integration3
- Open Source1
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Cons of OpenEBS
Cons of Rook
- Ceph is difficult2
- Slow1