Teradata storage must always be balanced across all AMPs in a clique. “Balanced” means all AMPs have exactly the same amount of storage assigned. System/AMP Configuration within the Configure Teradata Vantage operation performs and validates balancing.
The System/AMP Configuration step looks at all available storage in cliques and categories as explained in the following table.
Clique/Category | Description |
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ALL_ONE_SIZE | This is normally how systems are staged based on the following information:
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MULTIPLE_BALANCED_SIZES | This balance option uses different disk sizes in a clique, the same number of each size. The disks are created as follows:
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MULTIPLE_UNBALANCED_SIZES | If the clique is unbalanced, PUT performs the following actions depending on the configuration state:
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