Quick and Dirty Snapshots of Instances Booted from Volume

I've discussed my local OpenStack installation before, such as here and here. One of the results of the changes I've made to it over time is that I have some instances that are booted from volume. Unfortunately, instances booted from volume don't snapshot properly with the nova image-create. Below is the quick and dirty method I've been using to take snapshot backups of those vms for a while now.

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