OpenEBS is an open-source storage service for Kubernetes applications. OpenEBS manages the block storage and file systems based on the block storage for containers running in Kubernetes. Use OpenEBS for creating fast and resilient storage; with options for single-node, and replicated multi-node storage.

	Try our Slack channel If you have questions about using OpenEBS, please use the CNCF Kubernetes OpenEBS slack channel, it is open for anyone to ask a question

OpenEBS holds a monthly community meeting via Zoom on the last Thursday of the month, at 14:00 UTC.
The next meeting is on: Thursday 31 October, at 14:00 UTC
Meeting Link: https://us05web.zoom.us/j/87535654586?pwd=CigbXigJPn38USc6Vuzt7qSVFoO79X.1
Starting in August 2024, the meetings will be recorded and posted on YouTube. Check here

OpenEBS provides enterprise-grade data management for Kubernetes clusters, with five storage engines (four single-node and one replicated) that meet a range of use cases for Kubernetes users. The five engines are summarized in the table below:

Engine	Local PV HostPath	Local PV ZFS	Local PV LVM	Local PV Rawfile	Replicated PV Mayastor
Type	Single-node	Single-node	Single-node	Single-node	Multi-node
What is it for?	Replacement for in-Tree Kubernetes CSI HostPath	Storage engine for ZFS managed backend storage	Storage engine for LVM2 managed backend storage	Experimental engine for using an extent file as block storage	General purpose replicated enterprise storage
Designed for	Developers or DevOps	ZFS users and production deployments	LVM2 users and production deployments	Developers	Enterprises and production deployments
Features	Everything in Kubernetes HostPath, plus: - Dynamic provisioning, Zero configuration, No CSI driver	Provision ZFS datasets, Provision ZFS volumes, Dynamic provisioning, ZFS resilience, ZFS RAID protection, CSI driver	Provision LVM2 volumes, Dynamic provisioning, LVM2 RAID protection, CSI driver	Provision file system from local files as persistent volumes, CSI driver	Replicated storage NVMe / RDMA, Snapshots, Clones, High availability, CSI driver
Status	Stable, deployable in PROD	Stable, deployable in PROD	Stable, deployable in PROD	Beta, undergoing evaluation & integration	Stable, deployable in PROD
Current Version				release: v0.70

☑️   It uses the High performance SPDK storage stack - (SPDK is an open-source NVMe project initiated by INTEL)
☑️   The hyper-modern IO_Uring Linux Kernel Async polling-mode I/O Interface - (fastest kernel I/O mode possible)
☑️   Native abilities for RDMA and Zero-Copy I/O
☑️   NVMe-oF TCP Block storage Hyper-converged data fabric
☑️   Block layer volume replication
☑️   Logical volumes and Diskpool based data management
☑️   a Native high performance Blobstore
☑️   Native Block layer Thin provisioning
☑️   Native Block layer Snapshots and Clones

Vishnu Attur	@avishnu		Maintainer
Abhinandan Purkait	😎 @Abhinandan-Purkait		Maintainer
Niladri Halder	🚀 @niladrih		Maintainer
Ed Robinson	🐶 @edrob999		CNCF Primary Liaison Special Maintainer
Tiago Castro	⚡ @tiagolobocastro		Maintainer
David Brace	⭐ @orville-wright		Maintainer

Release	Support	Twitter/X	Contrib	License status	CI Status

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• In-cloud: (AWS EC2/EKS, Google GCP/GKE, Azure VM/AKS, Oracle OCI, IBM/RedHat OpenShift, Civo Cloud, Hetzner Cloud... and more)
• On-Premise: Bare Metal, Virtualized Hypervisor infra using VMWare ESXi, KVM/QEMU (K8s KubeVirt), Proxmox
• Deployed as native K8s resources: Deployments, Containers, Services, Stateful sets, CRD's, Sidecars, Jobs and Binaries all on K8s worker nodes.
• Runs 100% in K8s userspace. So it's highly portable and runs across many OSs & platforms.

• OpenEBS Roadmap

NOTE: Depending on which of the 5 storage engines you choose to deploy, pre-requisites must be met. See detailed quickstart docs...

1. Setup helm repository.

# helm repo add openebs https://openebs.github.io/openebs
# helm repo update

2a. Install the Full OpenEBS helm chart with default values.

• This installs ALL OpenEBS Storage Engines* in the openebs namespace and chart name as openebs:
  Local PV Hostpath, Local PV LVM, Local PV ZFS, Replicated PV Mayastor

# helm install openebs --namespace openebs openebs/openebs --create-namespace

2b. To Install just the OpenEBS Local PV Storage Engines, use the following command:

# helm install openebs --namespace openebs openebs/openebs --set engines.replicated.mayastor.enabled=false --create-namespace

3. To view the chart

# helm ls -n openebs

Output:
NAME     NAMESPACE   REVISION  UPDATED                                   STATUS     CHART           APP VERSION
openebs  openebs     1         2024-06-25 09:13:00.903321318 +0000 UTC   deployed   openebs-4.1.0   4.1.0

4. Verify installation
   • List the pods in namespace
   • Verify StorageClasses

# kubectl get pods -n openebs

Example Ouput:
NAME                                              READY   STATUS    RESTARTS   AGE
openebs-agent-core-674f784df5-7szbm               2/2     Running   0          11m
openebs-agent-ha-node-nnkmv                       1/1     Running   0          11m
openebs-agent-ha-node-pvcrr                       1/1     Running   0          11m
openebs-agent-ha-node-rqkkk                       1/1     Running   0          11m
openebs-api-rest-79556897c8-b824j                 1/1     Running   0          11m
openebs-csi-controller-b5c47d49-5t5zd             6/6     Running   0          11m
openebs-csi-node-flq49                            2/2     Running   0          11m
openebs-csi-node-k8d7h                            2/2     Running   0          11m
openebs-csi-node-v7jfh                            2/2     Running   0          11m
openebs-etcd-0                                    1/1     Running   0          11m
openebs-etcd-1                                    1/1     Running   0          11m
openebs-etcd-2                                    1/1     Running   0          11m
...

# kubectl get sc

Example Output:
NAME                                              READY   STATUS    RESTARTS   AGE
openebs-localpv-provisioner-6ddf7c7978-jsstg      1/1     Running   0          3m9s
openebs-lvm-localpv-controller-7b6d6b4665-wfw64   5/5     Running   0          3m9s
openebs-lvm-localpv-node-62lnq                    2/2     Running   0          3m9s
openebs-lvm-localpv-node-lhndx                    2/2     Running   0          3m9s
openebs-lvm-localpv-node-tlcqv                    2/2     Running   0          3m9s
openebs-zfs-localpv-controller-f78f7467c-k7ldb    5/5     Running   0          3m9s
...

For more details, please refer to OpenEBS Documentation.

OpenEBS is a CNCF project and DataCore, Inc. is a CNCF Silver member. DataCore supports CNCF extensively and has funded OpenEBS participating in every KubeCon event since 2020. Our project team is managed under the CNCF Storage Landscape and we contribute to the CNCF CSI and TAG Storage project initiatives. We proudly support CNCF Cloud Native Community Groups initiatives.

Project updates, subscribe to OpenEBS Announcements
Interacting with other OpenEBS users, subscribe to OpenEBS Users

Commercially supported deployments of OpenEBS are available via the companies below. (Some provide services, funding, technology, infra, and resources to the OpenEBS project).

• DataCore Software, Inc.
• Clouds Sky GmbH
• CodeWave
• Gridworkz Cloud Services

(OpenEBS OSS is a CNCF project. CNCF does not endorse any specific company).