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Ubiquity Storage Service for Container Ecosystems

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The Ubiquity project enables persistent storage for the Kubernetes and Docker container frameworks. It is a pluggable framework available for different storage systems. The framework interfaces with the storage systems, using their plugins. Different container frameworks can use Ubiquity concurrently, allowing access to different storage systems.

Ubiquity supports the Kubernetes and Docker frameworks, using the following plugins:

The IBM official solution for Kubernetes, based on the Ubiquity project, is referred to as IBM Storage Enabler for Containers. You can download the installation package and its documentation from IBM Fix Central.

Ubiquity supports the following storage systems:

  • IBM block storage.

    IBM block storage is supported for Kubernetes via IBM Spectrum Connect. Ubiquity communicates with the IBM storage systems through Spectrum Connect. Spectrum Connect creates a storage profile (for example, gold, silver or bronze) and makes it available for Kubernetes.

  • IBM Spectrum Scale

    IBM Spectrum Scale file storage is supported for Kubernetes. Ubiquity communicates with IBM Spectrum Scale system directly via IBM Spectrum Scale management API v2.

The code is provided as is, without warranty. Any issue will be handled on a best-effort basis.

Solution overview

Ubiquity Overview

Description of Ubiquity Kubernetes deployment:

  • Ubiquity Kubernetes Dynamic Provisioner (ubiquity-k8s-provisioner) runs as a Kubernetes deployment with replica=1.
  • Ubiquity Kubernetes FlexVolume (ubiquity-k8s-flex) runs as a Kubernetes daemonset in all the worker and master nodes.
  • Ubiquity (ubiquity) runs as a Kubernetes deployment with replica=1.
  • Ubiquity database (ubiquity-db) runs as a Kubernetes deployment with replica=1.

Contribution

To contribute, follow the guidelines in Contribution guide

Support

For any questions, suggestions, or issues, use Github.

Licensing

Copyright 2016, 2017 IBM Corp.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.


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