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Decommission procedure: Overview

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You can perform a decommission procedure to permanently remove grid nodes or an entire site from the StorageGRID system.

To remove a grid node or a site, you perform one of the following decommission procedures:

  • Perform a grid node decommission to remove one or more nodes, which can be at one or more sites. The nodes you remove can be online and connected to the StorageGRID system, or they can be offline and disconnected.

  • Perform a site decommission to remove a site. You perform a connected site decommission if all nodes are connected to StorageGRID. You perform a disconnected site decommission if all nodes are disconnected from StorageGRID.

    Important Before performing a disconnected site decommission, you must contact your NetApp account representative. NetApp will review your requirements before enabling all steps in the Decommission Site wizard. You should not attempt a disconnected site decommission if you believe it might be possible to recover the site or to recover object data from the site.

If a site contains a mixture of connected (Icon Alert Green check mark) and disconnected nodes (Icon Alarm Gray Administratively Down or Icon Alarm Blue Unknown), you must bring all offline nodes back online.

Note If you need to perform a second maintenance procedure, you can pause the decommission procedure while the Storage Nodes are being removed. The Pause button is enabled only when the ILM evaluation or erasure-coded data decommissioning stages are reached; however, ILM evaluation (data migration) will continue to run in the background. After the second maintenance procedure is complete, you can resume decommissioning.