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From "Ram Chinta (JIRA)" <>
Subject [jira] [Updated] (CLOUDSTACK-658) Scaling up CPU and RAM for running VMs
Date Mon, 07 Jan 2013 09:08:12 GMT


Ram Chinta updated CLOUDSTACK-658:

    Assignee: Nitin Mehta  (was: Koushik Das)
> Scaling up CPU and RAM for running VMs
> --------------------------------------
>                 Key: CLOUDSTACK-658
>                 URL:
>             Project: CloudStack
>          Issue Type: New Feature
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>            Reporter: Koushik Das
>            Assignee: Nitin Mehta
>             Fix For: 4.1.0
> Currently CS supports changing CPU and RAM for stopped VM. This is achieved by changing
compute offering of the VM (with new CPU and RAM values) and then starting it. I am planning
to extend the same for running VM as well. Initially planning to do it for Vmware where CPU
and RAM can be dynamically increased. Support of other HVs can also be added if they support
increasing CPU/RAM.
> Assuming that in the updated compute offering only CPU and RAM has changed, the deployment
planner can either select the same host in which case the values are dynamically scaled up
OR a different one in which case the operation fails. In future if there is support for live
migration (provided HV supports it) then another option in the latter case could be to migrate
the VM first and then scale it up.

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