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New — It has been powered on for the first time and has enlisted with the Platform Server.
Commissioning — It is in the process of or recently finished the initial hardware interrogation stage on the way to deployment.
Ready — It has completed all the initial stages and is ready to be deployed with software.
Deploying/Deployed — It is in the process of or finished with the deployment of the Storage software.
Failed <X> — It encountered an error in completing one of the stages.
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The storage process looks at all the names assigned to the different chassis and forms them into groups, which can then be used to determine how replicas are handled. You can group the chassis in any way you need to achieve your desired replica/fail-over paradigm.