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- Alternatively, a host or cluster or pod or zone can be "implicityimplicitly" dedicated - this flag's description will be clarified below
- A service offering can optionally have an "implictlyimplicitly" dedicated flag on - this flag's description will be clarified below
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- Only VMs that belong to the domain/sub-domain/accounts should be deployed/started on the dedicated (implict implicit and explicit) hosts under the zone/pod/cluster/host
- if a "non-dedicated" VM is requested and there is no space available from non-dedicated area in the cloud, the request must fail, even if there is space in the dedicated area- Only VMs that are requested with dedication flag (implicit or explicit) can use those dedicated resources
- admin must be able to live migrate of such a VM to a resource not owned by the account, but an alert must be generated
- In general, CloudStack must detect and provide warning of inappropriate location for a VM (such as a dedicated VM on a non-dedicated host) - this is not a specific requirement of this feature, but more of a generic requirement
- Non-requirement: Must be able to dedicate a primary storage to an account
- at this time, there is no requirement for the domain/sub-domain admins to manage the resource - the root admin will remain the owner of the resources
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DeployVM | requested with dedication ON or OFF dedication Flag specified | DeployVM | requested with dedication | ON DeployVM requested with dedication OFF | Flag specified | |
|---|---|---|---|---|---|---|
Explicitly Dedicated Resources | Pick from Explicitly dedicated else fail | Pick from shared resources else fail | ||||
NO Explicitly Dedicated Resources | Fail the request | Pick from shared resources else fail |
SO dedication Flag = ON | SO dedication Flag = OFF | ||
YES - Implicitly Dedicated Resources | Pick from implicit dedicated resources else FAIL | Pick from shared resources else fail | |
NO - Implicitly Dedicated Resources | Fail the request | Pick from shared resources else fail | |
Account (or sub-domain or domain) has dedicated host/cluster/pod/Zone AND Implicit dedication flag ON on some resources in the zone | Place VM in a dedicated host if space available; if no space in dedicated area, find a new free host from the implicit dedicated set of hosts and place VM and make the host part of the dedicated host for this account for future placement; if no space in implicit resource area, FAIL request | Place VM in a dedicated host if space available; if no space in dedicated area FAIL | Place VM in a non-dedicated area; if no space in non-dedicated area, fail request |
Account (or sub-domain or domain) has NO dedicated host/cluster/pod/Zone AND Implicit dedication flag ON on some resources in the zone | Place VM in a dedicated host if space available; if no space in dedicated area, find a new free host from the implicit dedicated set of hosts and place VM and make the host part of the dedicated host for this account for future placement; if no space in implicit resource area, FAIL request | If no dedicated host available, FAIL | Place VM in a non-dedicated area; if no space in non-dedicated area, fail request |
Account (or sub-domain or domain) has dedicated host/cluster/pod/Zone AND NO Implicit dedication flag on any Host | Place VM in a dedicated host if space is available. if no space available in dedicated area, FAIL request | Place VM in a dedicated host if space is available. if no space available in dedicated area, FAIL request | Place VM in a non-dedicated area; if no space in non-dedicated area, fail request |
Account (or sub-domain or domain) has NO dedicated host/cluster/pod/Zone AND NO Implicit dedication flag on any Host | Fail the request | FAIL the request | Place VM in a non-dedicated area; if no space in non-dedicated area, fail request |
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