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https://issues.apache.org/jira/browse/CLOUDSTACK-2987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harikrishna Patnala reopened CLOUDSTACK-2987:
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Previous commit 7b6b8d7a077478620232ea1ac4ec2304289e8661 is working fine.
Fixing this again due to some merges after this commit.
> 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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