9/18/2017 9:50:39 AM
Dell releases REX-Ray V0.10 for container orchestration
Containerized Deployment,Container Orchestration,Open Source Cloud Software
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App Developer Magazine

Dell releases REX-Ray V0.10 for container orchestration



Richard Harris Richard Harris in Cloud Services Monday, September 18, 2017
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Open Source Cloud Container Orchestration software developed by Dell Technologies, REX-Ray releases V0.10.

Dell Technologies announced the latest version of REX-Ray, an open source container orchestration engine. Created by {code}, formerly {code} by Dell EMC, REX-Ray v0.10 offers plugins, enabled by the Container Storage Interface (CSI), that implement a pre-release of the CSI 0.1 specification. As a result, major cloud providers and software-based platforms are immediately interoperable through CSI. REX-Ray is the first CSI plugin implementation to stand as an early validation of the CSI specification to help progress towards industry acceptance and container orchestrator implementations.

CSI is a universal storage interface, effectively an API, between container orchestrators and storage providers that will allow predictable interoperability between the two. It is an iteration from existing integrations with lessons learned from the community and major container platforms including Kubernetes, Mesos, Docker, and Cloud Foundry. Container orchestrators adopting CSI can leverage any storage provider, cloud or otherwise, while enabling storage providers to work with any container orchestrator that implements the specification.

Key Features


Three native CSI storage plugins: This work represents the first three native CSI storage drivers, opening the market for more storage platform support, while also functioning as a blueprint for contributors looking to create CSI drivers.

- The NFS plugin opens the market for storage platforms that do not have direct CSI support.

- A block devices plugin introduces new capabilities for on-premises applications that can optimally make use of logical or physical devices local to a host.

- VFS (virtual file system) driver that allows end-to-end CI verification of the CSI specification without the need of a separate storage provider.

Immediate wide applicability of storage providers to CSI: Through their existing collection of current storage drivers (plus the three new native CSI plugins), 15 plugins are now immediately available to work with container orchestrators that adopt the CSI specification.

Merging libStorage into REX-Ray: libStorage, an open source vendor and platform-agnostic storage framework from {code}, was absorbed into REX-Ray to simplify the process for end-user support and simplifies development of future storage drivers.

“We’re in a catch-22 with containers, where adoption needs to increase to drive innovation, and innovation needs to continue to drive adoption,” said Josh Bernstein, vice president of technology, Dell Technologies. “But this innovation can’t exist in a vacuum - industry standards are critical to ensuring that containers are evolving, and container orchestrators are able to easily meet storage demands through a single protocol. REX-Ray’s support for CSI demonstrates both our commitment to open source tools and our commitment to furthering container adoption.”


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