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  1. OpenShift Bugs
  2. OCPBUGS-9996

CSI driver ends up in crash loop when host does not have default VG name

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Details

    • Bug
    • Resolution: Done-Errata
    • Minor
    • 4.13.0, 4.14.0
    • 4.14.0
    • MicroShift
    • None
    • No
    • uShift Sprint 233
    • 1
    • Rejected
    • False
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      Made the CSI driver default configuration more robust. Before this change, unless the CSI driver was explicitly configured the host needed to have a volume group named "rhel" in order for the driver to work. Now, microshift examines the volume groups that exist to pick one as the default. If there is only 1 volume group, it is used. If there are multiple volume groups and one is named "microshift", it is used. Otherwise, the CSI driver must be explicitly configured to be enabled.
      Show
      Made the CSI driver default configuration more robust. Before this change, unless the CSI driver was explicitly configured the host needed to have a volume group named "rhel" in order for the driver to work. Now, microshift examines the volume groups that exist to pick one as the default. If there is only 1 volume group, it is used. If there are multiple volume groups and one is named "microshift", it is used. Otherwise, the CSI driver must be explicitly configured to be enabled.
    • Enhancement
    • Done

    Description

      Description of problem:

      Running MicroShift on a system without an lvmd.conf file can end up with the CSI containers in a crash-loop state if the host is not configured with a volume group named "rhel". Since that is not the default name for the volume group when installing RHEL via Anaconda, many users may experience this situation until they explicitly configure the driver.

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

      4.12 and later

      How reproducible:

      Fairly often

      Steps to Reproduce:

      1. Deploy a stock RHEL RPM-based system without taking any special steps to name the volume group.
2. dnf install microshift
3. systemctl start microshift

      Actual results:

      The pod running lvmd will crash loop.

      Expected results:

      No crashing pods.

      Additional info:

       

      Attachments

        Issue Links

          blocks

          Bug - A problem that impairs or prevents the functions of the product. OCPBUGS-10242 CSI driver ends up in crash loop when host does not have default VG name

          • Minor - To be worked after urgent, high, and medium priorities are resolved. This term is chosen when the severity of the issue is low, or the complexity or effort to correct it may be higher, relatively speaking. For low priority issues, known workarounds exist or are not needed due to the trivial effort needed to address the issue.
          • Closed
          is cloned by

          Bug - A problem that impairs or prevents the functions of the product. OCPBUGS-10242 CSI driver ends up in crash loop when host does not have default VG name

          • Minor - To be worked after urgent, high, and medium priorities are resolved. This term is chosen when the severity of the issue is low, or the complexity or effort to correct it may be higher, relatively speaking. For low priority issues, known workarounds exist or are not needed due to the trivial effort needed to address the issue.
          • Closed
          is related to

          Task - Represents a small unit of work that is not end-user facing. HMS-1420 Choose volume group name for LVM partitioning

          • Undefined - Priority not specified.
          • New
          links to

          GitHub openshift/microshift#1489: OCPBUGS-9996: make lvms configuration more robust

          Web Link RHSA-2023:5008 OpenShift Container Platform 4.14.z security update

          Activity

            People

              dhellman@redhat.com Doug Hellmann
              dhellman@redhat.com Doug Hellmann
              Patryk Matuszak Patryk Matuszak
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              Dates

                Created:
                Updated:
                Resolved: