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Mayastor

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2.12.x

What is Mayastor?#

Mayastor is currently under development as a sub-project of the Open Source CNCF project OpenEBS. OpenEBS is a "Container Attached Storage" or CAS solution which extends Kubernetes with a declarative data plane, providing flexible, persistent storage for stateful applications.

Design goals for Mayastor include:

  • Highly available, durable persistence of data.
  • To be readily deployable and easily managed by autonomous SRE or development teams.
  • To be a low-overhead abstraction.

OpenEBS Mayastor incorporates Intel's Storage Performance Development Kit. It has been designed from the ground up to leverage the protocol and compute efficiency of NVMe-oF semantics, and the performance capabilities of the latest generation of solid-state storage devices, in order to deliver a storage abstraction with performance overhead measured to be within the range of single-digit percentages.

By comparison, most pre-CAS shared everything storage systems are widely thought to impart an overhead of at least 40% and sometimes as much as 80% or more than the capabilities of the underlying devices or cloud volumes. Additionally, pre-CAS shared storage scales in an unpredictable manner as I/O from many workloads interact and complete for the capabilities of the shared storage system.

While Mayastor utilizes NVMe-oF, it does not require NVMe devices or cloud volumes to operate, as is explained below.

Mayastor is beta software and is under active development.

To learn more about Mayastor architecture, concepts and get started, please visit the user documentation published here in GitBook format: mayastor.gitbook.io.

Source Code#

If you would like to check out the source code or contribute to Mayastor, head over to GitHub: https://github.com/openebs/mayastor.

Community Support via Slack#

OpenEBS has a vibrant community that can help you get started. If you have further question and want to learn more about OpenEBS and/or Mayastor, please join OpenEBS community on Kubernetes Slack. If you are already signed up, head to our discussions at #openebs channel.

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