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Globally, set the configuration file to enabling (recommended) or disabling cluster-wide ROW.
Programmatically, use a replicate query argument whenever when needing to override the cluster-wide ROW configuration.
Creating or updating a bucket. The replicate=immediate option quickly invalidates cached bucket versions in the cluster so the latest version is implemented in the cluster. It also prevents subsequent permission errors because out-of-date permissions are used from the prior version.
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Swarm returns a 412 Preconditioned Failed response if Swarm cannot locate at least two nodes in the cluster that can replicate the object. Swarm proceeds with the request if Swarm can locate a PAN and one ROW peer node.
Although sometimes a A ROW request can return successfully with one replica created, it never attempts do not attempt to perform the operation if it cannot find at least two nodes up front.
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