This article serves as an introduction Advanced Virtualization Settings

Overview

Advanced Virtualization Settings are a series of obscure vSphere configuration settings supported by CloudControl primarily for use in SAP private cloud environments. They exist on both Images and Cloud Servers. In vSphere, these settings are mainly set in the extraConfig named-pair values of a VMX file. 

Currently, the list of supported Advanced Virtualization Settings are:

Advanced Virtualization Settings on OS and Client Images

On Images, these settings are visible on the Image Details screen as shown below:

If these Advanced Virtualization Settings appear on an OS or Client Image, the resulting Cloud Server will inherit the same Advanced Virtualization settings when servers are deployed from the image. Users can modify the Advanced Virtualization settings on Client Images as described in How to Manage a Client Image. However, users should review the Restrictions on Advanced Virtualization Settings section below as some settings will prevent use of the image if the Data Center location does not support the restricted setting.

Note that in most cases, Advanced Virtualization settings are not supported by the Import function described at Introduction to the Import / Export Function. Advanced Virtualization settings will be dropped as part of the Import process. Users may need to update the Client Image after importing if they wish to retain settings that may have existed prior to import. The same is true when Client Images are copied between data centers as described in How to Copy a Client Image between Locations in the Same Geographic Region

Advanced Virtualization Settings on Cloud Servers

On Cloud Servers, these settings are visible on the Server Details screen as shown below:

If these Advanced Virtualization Settings appear on a Server:

Users can adjust Advanced Virtualization Settings as described in How to Manage a Cloud Server. However, all adjustments are subject to the policies described in the Restrictions on Advanced Virtualization Settings section below

Restrictions on Advanced Virtualization Settings

Most Advanced Virtualization Settings are restricted to specific private cloud environments. Specifically, these settings are currently allowed only where Advanced Virtualization Settings are supported:

Users can identify whether Advanced Virtualization Settings are supported in a given location (or Cluster in multi-cluster locations) as described in How do I Identify Hardware Specifications and Capabilities Available in a Data Center Location

These restrictions mean:

  1. If an Image has any of the settings listed above, the system will not allow Server Deployment from the Image unless the Location (and Cluster in multi-cluster locations) supports Advanced Virtualization Settings.
  2. Users cannot adjust the settings of a Cloud Server to any of the settings above unless the Server's Location (and Cluster in multi-cluster locations) supports Advanced Virtualization Settings
  3. If a Cloud Server Snapshot has any of the settings listed above, users cannot create a Snapshot Preview server unless the Server's Location (and Cluster in multi-cluster locations) supports Advanced Virtualization Settings
    1. Similarly, if the Cloud Server has any of the settings above, the system will not allow Snapshot replication to be enabled unless the replicated Location can support the Advanced Virtualization Settings
  4. In multi-cluster locations, if a Cloud Server Snapshot has any of the settings listed above, it cannot be moved to a cluster that doesn't support Advanced Virtualization Settings


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