Asynchronous data replication for Kubernetes volumes
Last updated Jul 9, 2026
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README
VolSync
VolSync asynchronously replicates Kubernetes persistent volumes between clusters using either rsync or rclone. It also supports creating backups of persistent volumes via restic.
Getting started
The fastest way to get started is to install VolSync in a kind cluster:
- Install kind if you don't already have it:
$ go install sigs.k8s.io/kind@latest
- Use our convenient script to start a cluster, install the CSI hostpath driver,
$ ./hack/setup-kind-cluster.sh
- Install the latest release via Helm
$ helm repo add backube https://backube.github.io/helm-charts/
$ helm install --create-namespace -n volsync-system volsync backube/volsync
- See the usage
More detailed information on installation and usage can be found in the official documentation.
Helpful links
Licensing
This project is licensed under the GNU AGPL 3.0 License with the following exceptions:
The files within the api/ directories are additionally licensed under Apache License 2.0. This is to permit VolSync's CustomResource types to be used by a wider range of software.
- Documentation is made available under the Creative Commons
