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  1. Data Foundation Bugs
  2. DFBUGS-350

[2258736] [GSS][DOC] Image registry recommended by ODF document is different from OCP document.

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      Describe the issue:

      ODF, Managing and allocating storage resources document is recommending using PV from cephfs as an image registry in section "4.1 Configuring Image Registry to use OpenShift Data Foundation" as below.
      ------------
      Follow the instructions in this section to configure OpenShift Data Foundation as storage for the Container Image Registry. On AWS, it is not required to change the storage for the registry. However, it is recommended to change the storage to OpenShift Data Foundation Persistent Volume for vSphere and Bare metal platforms.
      Persistent Volume for vSphere and Bare metal pit is recommended to change the storage to OpenShift Data Foundation Persistent Volume for vSphere and Bare metal platforms.

          • Instruction shows that create pv from cephfs and use it as an image registry in document***
            ------------

      OCP, Scalability and performancedocument is recommending object storage followed by block storage for image registry, and file storage is not recommended for OpenShift image registry cluster deployment with production workloads in section "7.1.2.1.1. Registry" of Scalability and performance.
      ------------
      7.1.2.1.1. Registry
      [.....]
      The preferred storage technology is object storage followed by block storage.
      File storage is not recommended for OpenShift image registry cluster deployment with production workloads.
      ------------

      As you can see, we're recommending different storage resources for image registry.
      Customer is confused by reading both documents and need to clear the correct recommendation.

      Describe the task you were trying to accomplish:
      Please document clear recommendation, object storage or cephfs.

      Suggestions for improvement:

      Document URL:

      Chapter/Section Number and Title:

          • ODF:
            Chapter 4. Configure storage for OpenShift Container Platform services
            4.1. Configuring Image Registry to use OpenShift Data Foundation
          • OCP:
            Chapter 7. Scalability and performance optimization
            7.1.2.1.1. Registry
            7.1.2.1.2. Scaled registry

      Product Version:
      4.14

      Environment Details:

      Any other versions of this document that also needs this update:

      Additional information:

              edonnell@redhat.com Erin Donnelly
              rhn-support-kkagoshi Kenichiro Kagoshima
              Neha Berry Neha Berry
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                Created:
                Updated: