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From "Nitin Mehta (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CLOUDSTACK-4746) Allocation capacity of a cluster during HA
Date Thu, 17 Oct 2013 17:43:48 GMT

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-4746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nitin Mehta updated CLOUDSTACK-4746:
------------------------------------

    Fix Version/s:     (was: 4.3.0)
                   4.2.1

> Allocation capacity of a cluster during HA
> ------------------------------------------
>
>                 Key: CLOUDSTACK-4746
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-4746
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>    Affects Versions: 4.2.0
>            Reporter: Nitin Mehta
>            Assignee: Nitin Mehta
>            Priority: Critical
>             Fix For: 4.2.1
>
>
> When the host goes down. Cloudstack will stop the VM's for which HA is not enabled. Once
cloudstack marks these VM's as stopped then the capacity of these VM's is moved into the reserved
capacity.
> If the VM's are HA enabled then cloudstack will stop and start the VM's on another host.
During this time the capacity of the VM's will be moved to reserved capacity once the VM's
are stopped, But when the Vm's are being started cloudstack will try to calculate what will
be total allocated capacity if the VM is started again ( even though the CPU for the VM is
already reserved). This is a bug in cloudstack where the CPU required for the VM is considered
twice when calculating the allocated capacity.



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