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Note on pending etcd v2 API deprecation (#12935)

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* Note on pending etcd v2 API deprecation

* Updating etcd guidance to include migration
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Meggie
2021-11-01 11:46:28 -04:00
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parent bd89ba5dd3
commit 3c1b297cad
2 changed files with 25 additions and 1 deletions
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8
website/content/docs/configuration/storage/etcd.mdx
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@@ -13,6 +13,14 @@ The Etcd storage backend is used to persist Vault's data in [Etcd][etcd]. It
supports both the v2 and v3 Etcd APIs, and the version is automatically detected
based on the version of the Etcd cluster.
~> The Etcd v2 API has been deprecated with the release of Etcd v3.5, and will
be decommissioned by Etcd v3.6. It will be removed from Vault in Vault 1.10.
Users of the Etcd storage backend should prepare to
[migrate](/docs/commands/operator/migrate) Vault storage to an Etcd v3 cluster
prior to upgrading to Vault 1.10. All storage migrations should have
[backups](/docs/concepts/storage#backing-up-vault-s-persisted-data) taken prior
to migration.
- **High Availability** – the Etcd storage backend supports high availability.
The v2 API has known issues with HA support and should not be used in HA
scenarios.