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The init command moves a cluster from the idle state into the running state.
An initialized node is a node that has received and successfully applied the init command sometime in its lifetime and therefore possesses the Cluster Tag and the location of the Meta Storage . An empty node is a node that has never received nor applied the init command and therefore does not possess the aforementioned properties.
An idle cluster is a cluster that has been assembled for the first time and has never received the init command, therefore the Meta Storage of this cluster does not exist. Acluster can be considered running if it has obtained the information about the Meta Storage and CMG location.
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