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Welcome to this objective on building fault-tolerant HashiCorp Vault environments. In this lesson, we’ll cover enterprise-grade Vault deployments with a focus on clustering and multi-datacenter replication. By the end of this section, you will be able to:
  • Configure a Highly Available (HA) Vault cluster for resilience
  • Enable and manage Disaster Recovery (DR) replication in Vault Enterprise
  • Promote a DR secondary cluster to primary during an outage
The image is an objective overview slide for building fault-tolerant vault environments, listing tasks such as configuring a highly available cluster and enabling disaster recovery replication. It includes a certification badge and a cartoon character.
We’ll start with setting up Vault HA clusters, then move on to configuring DR replication and failover procedures.
High Availability (HA) in Vault ensures continuous access by running multiple active nodes behind a load balancer.
Disaster Recovery (DR) replication provides asynchronous standby clusters in separate datacenters.
Let’s begin with the HA cluster configuration.

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