When planning an upgrade to StorageGRID 11.2, you must consider when to upgrade, based on how long the upgrade might take. You must also be aware of which operations you can and cannot perform during each stage of the upgrade.
The time required to complete a StorageGRID upgrade depends on a variety of factors such as client load and hardware performance.
Upgrade stage | Description | Approximate time required | During this stage |
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Pre-upgrade validation | The grid’s condition is validated. | 3 minutes per grid node, unless validation errors are reported |
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Primary Admin Node upgrade | The primary Admin Node is stopped, upgraded, and restarted. | 30 minutes | |
Upgrade of all other grid nodes | The software on all other grid nodes is upgraded, in the order in which you approve the nodes. Every node in your system will be brought down one at a time for several minutes each during the upgrade. | 15 to 45 minutes per node, with appliance Storage Nodes requiring the most time Note: For upgrades to 11.2, Storage Nodes wait up to 10 minutes for active HTTP operations to be completed. For upgrades from 11.2, Storage Nodes wait only 2 minutes.
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Cassandra database update | The upgrade process checks each node to verify that the Cassandra database does not need to be updated. | 10 seconds per node or a few minutes for the entire grid |
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Restart services | Some grid node services are restarted. | 15 minutes per node | Affected grid nodes might be shown as Administratively Down. |
Complete final steps | The upgrade to the new release completes. | 5 minutes | When the final upgrade steps complete, you can:
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Suppose your system has 14 grid nodes. You would multiply 14 by 30 minutes/node and add 1 hour. The estimated time to upgrade all nodes is 8 hours.