Merge "Docs for vm/task state transitions."
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@ -38,6 +38,7 @@ Background Concepts for Nova
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architecture
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architecture
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threading
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threading
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vmstates
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il8n
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il8n
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filter_scheduler
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filter_scheduler
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multinic
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multinic
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@ -0,0 +1,24 @@
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Virtual Machine States and Transitions
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=======================================
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Preconditions for commands
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--------------------------
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The following diagrams show the required virtual machine (VM) states and
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task states for various commands issued by the user:
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.. image:: /images/PowerStates1.png
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.. image:: /images/PowerStates2.png
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Create instance states
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----------------------
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The following diagram shows the sequence of VM states, task states, and
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power states when a new VM instance is created.
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.. image:: /images/run_instance_walkthrough.png
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