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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 08:08:46 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-8762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14718184#comment-14718184
] 

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

Github user wido commented on the pull request:

    https://github.com/apache/cloudstack/pull/754#issuecomment-135667196
  
    Seems, good, but, all the logging is debug. Isn't there something which we have to print
on info or error here?
    
    We want to make sure that we also print useful stuff on info or error, not all systems
should run on debug in production.


> 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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