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https://issues.apache.org/jira/browse/CLOUDSTACK-9175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suresh Kumar Anaparti reassigned CLOUDSTACK-9175:
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Assignee: Suresh Kumar Anaparti
> [VMware DRS] Adding new host to DRS cluster does not participate in load
> balancing
> ----------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-9175
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9175
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Management Server, VMware
> Affects Versions: 4.5.2
> Reporter: Suresh Kumar Anaparti
> Assignee: Suresh Kumar Anaparti
>
> Steps:
> 1. Have a DRS and HA cluster in fully automated mode, with two hosts H1 and
> H2 created in the vCenter.
> 2. Configure this cluster in CCP and create couple of VMs.
> 3. Start stressing the host by running some cpu hogging scripts in each of
> the VM.
> 4. Enable maintenance mode on one of the host - say H1 from CCP.
> 5. Also, quickly enable maintenance mode on host H1 from vCenter.
> (This should migrate all the VMs to host H2) Make sure none of the VMs are
> present on host H1.
> 6. Add host H3 into DRS cluster from vCenter and from CCP as well.
> 7. At this point, the load is definitely imbalanced. This can be verified
> from vCenter ( Click on cluster -> Go to Summary tab -> under vSphere DRS
> section, it should show 'Load imbalanced'
> Now, as per DRS rules, the load should be balanced across all the available
> hosts.
> In this case, even after adding new host, the load is imbalanced.
> The reason for the load imbalance is VMs (created from Cloudstack) are not
> eligible to migrate to new host because networks or the cloud portgroups are
> not available on the new host H3 (except for private).
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