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Chapter 1. Introduction to Containerized Red Hat Gluster Storage
This guide provides step-by-step instructions to deploy Containerized Red Hat Gluster Storage. The deployment addresses the use-case where applications require both shared file storage and the flexibility of a converged infrastructure with compute and storage instances being scheduled and run from the same set of hardware.
Containerized Red Hat Gluster Storage Solutions
The following table lists the Containerized Red Hat Gluster Storage solutions, a brief description, and the links to the documentation for more information about the solution.
Table 1.1. Containerized Red Hat Gluster Storage Solutions
| Solution | Description | Documentation |
|---|---|---|
| Container-Native Storage (CNS) | This solution addresses the use-case where applications require both shared file storage and the flexibility of a converged infrastructure with compute and storage instances being scheduled and run from the same set of hardware. | For information on deploying CNS, see Chapter 2, Container-Native Storage for OpenShift Container Platform in this guide. |
| Container Ready Storage (CRS) with Heketi | This solution addresses the use-case where a dedicated Gluster cluster is available external to the OpenShift Origin cluster, and you provision storage from the Gluster cluster. In this mode, Heketi also runs outside the cluster and and can be co-located with a Red Hat Gluster Storage node. | For information on configuring CRS with Heketi, see Complete Example of Dynamic Provisioning Using Dedicated GlusterFS. |
| Container Ready Storage (CRS) without Heketi | This solution uses your OpenShift Container Platform cluster (without Heketi) to provision Red Hat Gluster Storage volumes (from a dedicated Red Hat Gluster Storage cluster) as persistent storage for containerized applications. | For information on creating OpenShift Container Platform cluster with persistent storage using Red Hat Gluster Storage, see Persistent Storage Using GlusterFS . |
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