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  1. OpenShift Bugs
  2. OCPBUGS-62716

LocalVolumeSet cannot filter out non-unique '/dev/disk/by-id' references

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      This is a clone of issue OCPBUGS-61988. The following is the description of the original issue:
      —
      Description of problem:

          Under certain circumstances, storage hardware implementation can cause a non-unique value to be populated under '/dev/disk/by-id' for a device. When this happens, LocalVolumeSet device discovery cannot consistently select the correct device reference. This can result in LSO symlinks pointing to incorrect devices after a reboot. If a LocalVolumeSet allowed a device filter to be specified then problematic devices could be ignored.

      Version-Release number of selected component (if applicable):

          4.18

      How reproducible:

          Consistently

      Steps to Reproduce:

      Actual results:

          Non-unique device references in '/dev/disk/by-id' cause the LSO symlinks to sometimes be inconsistent, where the wrong backend disk gets referenced.

      Expected results:

          Problematic devices could be ignored by an LSO LocalVolumeSet so device references are consistent.

      Additional info:

              jdobson@redhat.com Jonathan Dobson
              lstanton@redhat.com Luke Stanton
              None
              Javier Coscia
              Rahul Deore Rahul Deore
              None
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                Created:
                Updated: