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  1. OpenShift Bugs
  2. OCPBUGS-36663

Cannot add GCP N4 Machine Series to workers

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      *Cause*: New disk type "hyperdisk-balanced" was introduced on AWS. This disk type was not supported on openshift.
      *Consequence*: Machines using hyperdisk-balanced disk type could not be created.
      *Fix*: hyperdisk-balanced disk type was added to supported disk types
      *Result*: Machines with hyperdisk-balanced disks can be created.
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      *Cause*: New disk type "hyperdisk-balanced" was introduced on AWS. This disk type was not supported on openshift. *Consequence*: Machines using hyperdisk-balanced disk type could not be created. *Fix*: hyperdisk-balanced disk type was added to supported disk types *Result*: Machines with hyperdisk-balanced disks can be created.
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      Description of problem:

          Cannot add GCP N4 Machine Series to workers

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

          4.17.0-0.nightly-2024-07-07-131215

      How reproducible:

          Always

      Steps to Reproduce:

          1.Create machineset with machinetype as 'n4-standard-2
          2.scale machineset 
          

      Actual results:

          Machines is in failed status failed with below errors ( same for pd-balanced and pd-ssd as well ) 
      
      Events:
        Type     Reason        Age                From           Message
        ----     ------        ----               ----           -------
        Warning  FailedCreate  29s (x2 over 30s)  gcpcontroller  miyadav-0806-vfn2w-worker-c-xs5vz: reconciler failed to Create machine: error launching instance: googleapi: Error 400: [pd-standard, n4-standard-2] features are not compatible for creating instance., badRequest
      miyadav@miyadav-thinkpadx1carbongen

      Expected results:

          machine should be in running status

      Additional info:

      We cannot add hyperdisk-balanced due to below 
      
      miyadav@miyadav-thinkpadx1carbongen8:~$ oc edit  machineset.machine.openshift.io miyadav-0806-vfn2w-worker-c
      error: machinesets.machine.openshift.io "miyadav-0806-vfn2w-worker-c" could not be patched: admission webhook "validation.machineset.machine.openshift.io" denied the request: providerSpec.disks[0].type: Unsupported value: "hyperdisk-balanced": supported values: "pd-balanced", "pd-ssd", "pd-standard"
      You can run `oc replace -f /tmp/oc-edit-4171612260.yaml` to try this update again.
          

      must-gather -https://drive.google.com/file/d/1lY1jqAEXwYqb9qyizkEGE1zOdcxi1pEX/view?usp=sharing

       

              rmanak@redhat.com Radek Manak
              rh-ee-miyadav Milind Yadav
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              Milind Yadav Milind Yadav
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                Created:
                Updated: