Troubleshooting Glance image management

It's not often that Glance needs troubleshooting. There are two common ways that you will have things fail related to Glance:

  • If Glance cannot access the file system that it will be writing to when it is saving an image into the registry
  • If Nova cannot get an image that has been assigned to launch an instance with

In the event that you are not able to save an image to the registry, you will just have to read the logs in /var/log/glance/*. Depending on the backing store that you have chosen, or has been configured for you, there will be different errors. In most cases, when you resolve these errors, you will have a working Glance service.

When a new instance is launched on a compute node, one of the things that ...

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