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  • You cannot rename a layer when there are deployed VMs in the layer. You cannot move a deployed machine into a layer with a VM deployed on the same hypervisorwill need to move the VMs to another layer with a new name

  • You may be able to move a powered off VM in a way that could break the anti-affinity rules, but vCenter may prevent you from powering on the VM.

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Privileges: Manage layers

To create a layer:

  1. Go to myCloud → Virtual datacenters

  2. Open a virtual appliance and go to Virtual machines

  3. From the options menu, select Add a layer 

  4. Enter the Name

  5. Add VMs to the layer 

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Layers ensure that VMs deploy on separate hypervisors, so the following rules apply:

Layer type

Rules

New layer

  • You can add any VM to a new layer

Layer with deployed VMs

  • You can add a VM that is not deployed

  • You can add a powered-off VM if it is deployed on a different hypervisor from the other VMs in the layer

Different layer

  • For vCenter clusters, you can power off a VM and move it to a different layer

You

  • , but if the VM host is not compatible with the anti-affinity rule, then you may not be able to power on the VM.

  • For vCenter hosts, you cannot move a deployed VM directly to a different layer. First, power off the

machine

  • VM and remove the

machine from the old layer, then delete

  • VM from the old layer.


  • Now you will be able to add the

machine

  • VM to a different layer.

Web stack use case for layers

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