[jira] [Resolved] (CLOUDSTACK-2987) Ensure XStools to be there in template inorder to enable dynamic scaling of vm

["Harikrishna Patnala (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-2987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Harikrishna Patnala resolved CLOUDSTACK-2987.
---------------------------------------------

    Resolution: Fixed
    
> Ensure XStools to be there in template inorder to enable dynamic scaling of vm
> ------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-2987
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2987
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.2.0
>            Reporter: Harikrishna Patnala
>            Assignee: Harikrishna Patnala
>            Priority: Critical
>             Fix For: 4.2.0
>
>
> XS tools need to be installed on the guest vm for Xenserver for memory dynamic scaling and over provisioning to work.
> XStools contain baloon drivers that are required to dynamically manipulate the memory attributes (dynamic max/min). If they are altered at run time without these tools, it can lead to unstable behavior for vm and  potential crash. Both for memory dynamic scaling and over provisioning this is required. 
> So we need to be able to ensure whether xstools are installed on the template based on the user inputs while registering the template and use the same to set different memory/cpu values to make dynamic scaling work. 

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