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NVMe copy offload VM clones are slow

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ontap-9
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san
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Applies to

  • ONTAP 9
  • NVMe/FC
  • VMware ESXi

Issue

  • vCenter Clone VM against an NVMe/FC datastore takes about two minutes. The expected time on this platform is under one second.
  • Clones inside one namespace and clones across namespaces take about the same time.
  • A Fibre Channel VMFS clone of the same virtual machine is also slow.

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