Create persistance storage for openshift

Here I am going to shortly describe a process of mounting a NFS shares to Openshift cluster.

Create persistent volume resource

Firstly, I created a setup_pv.yaml file with following content:

apiVersion: v1
kind: PersistentVolume
metadata:
  name: test-pv
spec:
  capacity:
    storage: 10Gi
  accessModes:
    - ReadWriteMany
  persistentVolumeReclaimPolicy: Retain
  nfs:
    path: /opt/okdn_share/test
    server: 192.168.11.61

According to the yaml file I used share from the host 192.168.11.61, path /opt/okdn_share/test. Name of the storage will be test-pv.

showmount -e 192.168.11.61 command prints list of available shares that available on the host.

Apply resource and check results

When yaml file is created, create apply it using oc command:

oc create -f setup_pv.yml

And finally, check if a persistence volume is created:

[admin@dns try]$ oc get pv
NAME      CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS      CLAIM   STORAGECLASS   REASON   AGE
test-pv   10Gi       RWX            Retain           Available                                   22h
[admin@dns try]$