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  1. Migration Toolkit for Virtualization
  2. MTV-2196

[DOC] Add Support for AIO Buffer Configuration

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    • MTV-2188Add Support for AIO Buffer Configuration to MTV

      Goal

      There is new feature in MTV to support AIO Optimization which adds optimizes the VMware VDDK disk transfers. It is supported for both cold migration from MTV 2.8 and warm migration from CNV 4.15 and MTV 2.8 ref. The users via CLI can enable the feature on the provider using the settings parameter `useVddkAioOptimization: true` which will set the VDDK config to the recommended default:

      VixDiskLib.nfcAio.Session.BufSizeIn64K=16
      VixDiskLib.nfcAio.Session.BufCount=4

      If the user would want to customize this the provider has a `vddkConfig` settings which can override this config file. This is advanced option which should not be visible via UI but only documented.

      Example CR:

       

      apiVersion: forklift.konveyor.io/v1beta1
      kind: Provider
      metadata:
        name: vsphere
        namespace: forklift
      spec:
        settings:
          sdkEndpoint: vcenter
          vddkInitImage: 'vddk'
          useVddkAioOptimization: 'true'
          vddkConfig: |
            VixDiskLib.nfcAio.Session.BufSizeIn64K=16
            VixDiskLib.nfcAio.Session.BufCount=4
        type: vsphere  

       

              rhn-support-anarnold A Arnold
              mnecas@redhat.com Martin Necas
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