Allow/Enable automatic VM snapshot when downing the array


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It would be nice if Unraid functioned in a similar fashion to Hyper-V during array stops or system restarts. Hyper-V will automatically snapshot ("save") VMs in their current running state, shutdown/restart, and then rehydrate the VMs when the system starts back up.

 

Currently, stopping the array requires a guest agent to be installed on the VM and for the VM to down itself gracefully for the array to shutdown. I have a Windows VM that never seems to accept the signal and thus hangs, keeping the entire array from shutting down due to file locks. I do not want anything running in the VM to dictate whether or not I can cleanly shutdown the array. It would be nice if Unraid did this by default or at least offered a configuration to do this. 

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