[jira] [Commented] (CLOUDSTACK-9008) VM Snapshots no longer work with managed storage

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14984234#comment-14984234 ] 

ASF GitHub Bot commented on CLOUDSTACK-9008:
--------------------------------------------

Github user mike-tutkowski commented on the pull request:

    https://github.com/apache/cloudstack/pull/1016#issuecomment-152785924
  
    What I did was run a Marvin test I have that creates a VM whose root disk is placed on managed storage. The test then creates a hypervisor snapshot of the VM.
    
    Before my Marvin changes, the test was failing (and the root disk was being corrupted). Now that Marvin has been enhanced, the hypervisor snapshot reserve value is being passed to CloudStack from Marvin successfully and the overall test passes.
    
    The hypervisor snapshot reserve field is ignored by non-managed storage, so this change should not impact that type of storage.


> VM Snapshots no longer work with managed storage
> ------------------------------------------------
>
>                 Key: CLOUDSTACK-9008
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9008
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.6.0
>         Environment: XenServer 6.5
>            Reporter: Mike Tutkowski
>            Assignee: Mike Tutkowski
>             Fix For: 4.6.0
>
>
> When using managed storage for the root disk of a VM, you cannot revert a VM to a VM snapshot without encountering a RuntimeException that destroys the state of your disk.



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