Disaster Recovery Volumes
Help and potential gotchas associated with specific cloud providers.
A disaster recovery (DR) volume is a special volume that is mainly intended to store data in a backup cluster in case the whole main cluster goes down. Disaster recovery volumes are used to increase the resiliency of Longhorn volumes.
For a longer explanation of how DR volumes work, see the concepts section.
For disaster recovery volume,
Last Backup indicates the most recent backup of its original backup volume.
If the icon representing the disaster volume is gray, it means the volume is restoring the
Last Backup and this volume cannot be activated. If the icon is blue, it means the volume has restored the
Prerequisites: Set up two Kubernetes clusters. These will be called cluster A and cluster B. Install Longhorn on both clusters, and set the same backup target on both clusters. For help setting the backup target, refer to this page.
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