The Longhorn design has two layers: the data plane and the controlplane.
Horizontal Scaling for Kubernetes Workloads with Persistent Storage.How Kubernetes Workloads use New and Existing Persistent Storage.Appendix: How Persistent Storage Works in Kubernetes.Backupstore Update Intervals, RTO and RPO How Read and Write Operations Work for Replicas Advantages of a Microservices Based Design The Longhorn Manager and the Longhorn Engine For help with the terminology used in this page, refer to this section.
For more information on these concepts, refer to the appendix. This section assumes familiarity with Kubernetes persistent storage concepts. The storage controller and replicas are themselves orchestrated using Kubernetes.įor an overview of Longhorn features, refer to this section.įor the installation requirements, go to this section. Longhorn creates a dedicated storage controller for each volume and synchronously replicates the volume across multiple replicas stored on multiple nodes.
