IPI install of Openshift on RHV using preallocated disks

Solution Verified - Updated -

Issue

  • A Openshift cluster deployed using IPI on RHV creates all the VMs boot disks as thin provisioned.
  • The thin disks are causing issues like VM pauses or performance/latency problems.

Environment

  • Openshift (OCP) 4.9
  • IPI installation on RHV

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