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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-8762) Check KVM disk files for activity before starting VM
Date Fri, 28 Aug 2015 11:36:46 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-8762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14718381#comment-14718381
] 

ASF GitHub Bot commented on CLOUDSTACK-8762:
--------------------------------------------

Github user miguelaferreira commented on the pull request:

    https://github.com/apache/cloudstack/pull/754#issuecomment-135745806
  
    I'm not able to build this branch with maven.
    
    ```
     mvn clean install -P developer,systemvm
    
    ...
    [INFO] ------------------------------------------------------------------------
    [INFO] Building Apache CloudStack Core 4.5.2
    [INFO] ------------------------------------------------------------------------
    ...
    Tests run: 20, Failures: 2, Errors: 0, Skipped: 0, Time elapsed: 0.424 sec <<<
FAILURE!
    Running com.cloud.agent.transport.RequestTest
    ...
    Results :
    
    Failed tests:   testFirewallRulesCommand(com.cloud.agent.resource.virtualnetwork.VirtualRoutingResourceTest):
expected:<...1.2/24:,64.10.10.10:[reverted:0:0:0:,64.10.10.10:TCP:22:80:10.10.1.1/24-10.10.1.2/24]:,>
but was:<...1.2/24:,64.10.10.10:[TCP:22:80:10.10.1.1/24-10.10.1.2/24:,64.10.10.10:reverted:0:0:0]:,>
      testAggregationCommands(com.cloud.agent.resource.virtualnetwork.VirtualRoutingResourceTest):
expected:<...1.2/24:,64.10.10.10:[reverted:0:0:0:,64.10.10.10:TCP:22:80:10.10.1.1/24-10.10.1.2/24]:,(..)
    
    Tests run: 139, Failures: 2, Errors: 0, Skipped: 0
    ....
    ```
    
    It does not seem related to this PR, but this week I've build master many times and it
was always passing all tests. Any idea on what has been merged recently that could cause this?


> Check KVM disk files for activity before starting VM
> ----------------------------------------------------
>
>                 Key: CLOUDSTACK-8762
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8762
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>            Reporter: Rohit Yadav
>            Assignee: Rohit Yadav
>             Fix For: 4.5.3, 4.6.0
>
>
> KVM hosts have real issue with fencing when storage are accessible by multiple hosts
such as in the case of NFS, in which case there is a possibility of qcow2 disks being accessed
by multiple hosts causing disk corruptions. The aim of this ticket is to explore ways to delay
starting a VM if the qcow2 disks/files are still being accessed.



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