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  1. OpenShift Bugs
  2. OCPBUGS-24396

overprovisionRatio can not be set to 1

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    • `spec.storage.deviceClasses.thinPoolConfig.overprovisionRatio` on an LVMCluster CR can now be set to as low as 1 instead of the previous minimum value of 2, which disables overprovisioning.
    • Bug Fix
    • In Progress

      Description of problem:

       overprovisionRatio can only be set to a value of 2 or greater. there is no reason for this. Customer who want to have guaranteed capacity need to be able to set this to 1 (== no overprovisioning).

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

       4.14

      How reproducible:

          always

      Steps to Reproduce:

      Take a look at the source code:
https://github.com/openshift/lvm-operator/blob/main/config/crd/bases/lvm.topolvm.io_lvmclusters.yaml#L194-L199

      Additional info:

      Slack Thread with discussion:

      https://redhat-internal.slack.com/archives/C048G31FLHJ/p1701695048904979

      Upstream also has a min value of 1 (https://github.com/topolvm/topolvm/pull/442/files#r830792492)

            sakbas@redhat.com Suleyman Akbas
            dfroehli42rh Daniel Fröhlich
            Rahul Deore Rahul Deore
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              Created:
              Updated:
              Resolved: