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• The service offering functionality will be updated to include an option for 'Use Trusted hosts'. Open Issue 3. How should this change be reflected. Should we provide a check box, like it is done for HA. As listed in the open issues, will the information be passed to the planners using a name/value pair (as has been proposed for Dedicated resources feature.)
  Note: This section will be updated when we get more clarity on how to make the option of using trusted hosts available in service offering and how this information will be passed to the allocators.
• Host allocators will be updated as follows.
  • If a service offering specifies a trusted host is needed, host allocators will be updated to select a host only if it trusted.
  • If a service offering doesn't require a trusted host, host allocators will not restrict the deployment to untrusted hosts. A trusted host may get picked up for deployment too.
    Note: This section will be updated when we have more clarity on how to make the option of using trusted hosts available in service offering; and how this information will be passed to the allocators.

Migration and HA

• When hosts are listed for migration of an instance, if an instance is using an offering which requires trusted host, the host allocators will be updated to not to include hosts that are not trusted (information stored in the host_details table in the db). These hosts will be marked as 'Unsuitable' for migration (as seen in UI).
• Migration of instances using offering requiring trusted hosts, to untrusted hosts will be allowed. However, an alert will be raised to bring this to administrators attention.
• If an instance using a offering requiring trusted hosts goes down and HA is triggered for it, management server will try to bring it up on host that is trusted. If no trusted hosts are available HA for the instance will fail.

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