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Date: Tue, 22 Apr 2014 09:15:20 +0000 (UTC)
From: "Saksham Srivastava (JIRA)" <jira@apache.org>
To: cloudstack-issues@incubator.apache.org
Message-ID: <JIRA.12708749.1397651898599.153354.1398158120435@arcas>
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Subject: [jira] [Resolved] (CLOUDSTACK-6427) nic_count not decremented in
 case of failed VM start
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     [ https://issues.apache.org/jira/browse/CLOUDSTACK-6427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Saksham Srivastava resolved CLOUDSTACK-6427.
--------------------------------------------

    Resolution: Fixed

> nic_count not decremented in case of failed VM start
> ----------------------------------------------------
>
>                 Key: CLOUDSTACK-6427
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6427
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.4.0
>         Environment: 4.4.0, Xenserver
>            Reporter: Saksham Srivastava
>            Assignee: Saksham Srivastava
>             Fix For: 4.4.0
>
>
> nics_count (op_networks) table is incremented on every user VM start and decremented on every user VM stop. Essentially, nics_count associated with a network represents if there are any running VMs using that network.
> In case VM start fails we initiate a cleanup where in first we send the stopCommand to the VM and upon success we release the network resources (in DB). nics_count is decremented during this process. However, if the stopCommand fails for some reason the resources are not released. Hence the nics_count is not decremented.
> At this point the nics_count gets out of sync, that is, it is greater than the number of running VMs. This can result in the network never being GC'ed.


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