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  1. Data Foundation Bugs
  2. DFBUGS-763

[2270576] [DOC] Rotation flag check for ODF

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    • odf-4.15.8
    • odf-4.15
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    • 4.15.3
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      Describe the issue:
      Too many of our customers running VWWare install ODF without executing [1], this results in ODF and Ceph thinking the vmdks backing their osds are hdds, when in fact they're ssds.

      [1] https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.troubleshooting.doc/GUID-99BB81AC-5342-45E5-BF67-8D43647FAD31.html

      Describe the task you were trying to accomplish:
      Have customers verify the rotational flag on their vmdks before deploying osds on them.

      Suggestions for improvement:
      Can we modify [2] to include a link to [3]? I think this is a simple way to get them to verify the internally attached vmdks are in fact showing up as ssds. It's crucial they check this before installing ODF, because changing this rotational flag after the fact requires redeploying every osd in the cluster. This means hours of lost time for the customer, as well as support.

      [3] https://access.redhat.com/articles/6547891

      Document URL:
      [2] https://access.redhat.com/documentation/en-us/red_hat_openshift_data_foundation/4.15/html/deploying_openshift_data_foundation_on_vmware_vsphere/preparing_to_deploy_openshift_data_foundation

      Chapter/Section Number and Title:
      1.0

      Product Version:
      All versions

      Environment Details:
      ODF 4.x

      Any other versions of this document that also needs this update:
      Yes, all of them

      Additional information:
      N/A

              kbg@redhat.com Kusuma BG
              rhn-support-bmcmurra Brandon McMurray
              Nagendra Reddy Nagendra Reddy
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