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25 lines
1.4 KiB
Plaintext
25 lines
1.4 KiB
Plaintext
---
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layout: docs
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page_title: Consul Enterprise Automated Upgrades
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sidebar_title: Automated Upgrades
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description: >-
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Consul Enterprise supports an upgrade pattern that allows operators to deploy
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a complete cluster of new servers and then just wait for the upgrade to
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complete.
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---
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# Automated Upgrades
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<EnterpriseAlert>
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This feature is available in all versions of{' '}
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<a href="https://www.hashicorp.com/products/consul/">Consul Enterprise</a>.
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</EnterpriseAlert>
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Consul Enterprise enables the capability of automatically upgrading a cluster of Consul servers to a new
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version as updated server nodes join the cluster. This automated upgrade will spawn a process which monitors the amount of voting members
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currently in a cluster. When an equal amount of new server nodes are joined running the desired version, the lower versioned servers
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will be demoted to non voting members. Demotion of legacy server nodes will not occur until the voting members on the new version match.
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Once this demotion occurs, the previous versioned servers can be removed from the cluster safely.
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You can review more information about this functionality in the [Consul operator autopilot](/docs/commands/operator/autopilot) documentation as well as on the HashiCorp Learn [Automated Upgrade](https://learn.hashicorp.com/tutorials/consul/autopilot-datacenter-operations#upgrade-migrations) tutorial.
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