Hi, I set up a devstack J (2014.2.4) cluster, to test alternatives to using NFS for the instances_path (in my case /opt/stack/data/nova/instances), mainly a storage solution we want to use as distributed file system. I have a shared storage solution that is configured with cinder, which contains both the .raw files for the volumes and the .xml files for the instances.
While testing i found that live migration between nodes works without having the /instances directory on a shared storage, and that the instance directory (the UUID/* ) is moving between nodes. Can anyone provide more info? Is the shared storage required for the instances_path, or am i misreading the documentation and the shared storage is required for another path? Thanks, Eduard
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