Openebs

Ubuntu Microk8s

• https://docs.openebs.io/docs/next/prerequisites.html#ubuntu
• https://microk8s.io/docs/addon-openebs

sudo systemctl status iscsid
# sudo systemctl enable --now iscsid
sudo systemctl status iscsid | grep inactive && sudo systemctl enable --now iscsid
sudo microk8s dns ingress rbac openebs
watch sudo microk8s kubectl get pod -n openebs
kubectl patch storageclass openebs-jiva-default -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'
kubectl patch storageclass microk8s-hostpath -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"false"}}}'

An example of creating a PersistentVolumeClaim utilizing the openebs-hostpath StorageClass


kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: local-hostpath-pvc
spec:
  storageClassName: openebs-hostpath
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 5G



-----------------------

If you are planning to use OpenEBS with multi nodes, you can use the openebs-jiva-default StorageClass.
An example of creating a PersistentVolumeClaim utilizing the openebs-jiva-default StorageClass


kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: jiva-volume-claim
spec:
  storageClassName: openebs-jiva-default
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 5G

• https://docs.openebs.io/docs/next/faq.html
• https://microk8s.io/docs/addon-openebs
• https://docs.openebs.io/v110/docs/next/jivaguide.html
• https://docs.openebs.io/#:~:text=OpenEBS%20creates%20a%20Micro%2Dservice,%2D%20Mayastor%2C%20cStor%20or%20Jiva.&text=When%20the%20node%20running%20the,data%20copies%20on%20other%20nodes.
• https://docs.openebs.io/docs/next/ugndm.html
• https://www.portainer.io/blog/portainer-on-microk8s-openebs-metallb-and-ingress
• https://docs.openebs.io/docs/next/jivaguide.html#create-a-pool

Example

• https://docs.openebs.io/docs/next/jivaguide.html
• https://openebs.io/blog/provisioning-openebs-jiva-volumes-via-csi/