[jira] [Resolved] (CLOUDSTACK-9676) Start instance fails after reverting to a VM snapshot, when there are child VM snapshots

["Sateesh Chodapuneedi (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-9676?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sateesh Chodapuneedi resolved CLOUDSTACK-9676.
----------------------------------------------
    Resolution: Fixed

> Start instance fails after reverting to a VM snapshot, when there are child VM snapshots
> ----------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9676
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9676
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: VMware
>    Affects Versions: 4.9.0.1
>         Environment: vSphere 5.5
> ACS master commit 17653a86fad67447a4f13e455e336694ad5c1735
>            Reporter: Sateesh Chodapuneedi
>            Assignee: Sateesh Chodapuneedi
>            Priority: Critical
>             Fix For: 4.10.0.0
>
>
> Start instance fails after reverting to a VM snapshot, when there is 1 or more child VM snapshots in the snapshot tree of the VM.
> Per the code that detects the presence of a snapshot, we are checking for only current snapshot instead of checking presence of any snapshot in the snapshot tree. The failure to detect all snapshots means ACP reconfigures the VM in wrong way assuming there are no snapshots for the VM. This results in start failure.
> {code:borderStyle=solid}
>      public boolean hasSnapshot() throws Exception {
>          VirtualMachineSnapshotInfo info = getSnapshotInfo();
>          if (info != null) {
>             return info.getCurrentSnapshot() != null;
>          }
>          return false;
>      }
> {code}
> Steps to reproduce
> ===============
> # Prepare setup with esxi5.5
> # Deploy a vm and create three snapshot i1,i2,i3.
> # Delete i2. and stop vm
> # Revert vm to i1
> # Delete i1
> # Start vm
> Start vm is failing with error,
> {noformat}
> StartCommand failed due to Exception: java.lang.RuntimeException Message: Invalid configuration for device '0'.
> {noformat}



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