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April 26th, 2021 04:00

CSI driver for Unity 1.4 with Openshift 4.6

Host : Redhat 7.8 + openshift 4.6
Storage : UnityOS 5.0.3.0.5.014
CSI Driver for Unity Version : CSI Driver for Unity 1.4
Mount protocol : NFS ISCSI

When NFS PVC is created  the export is mountable and read write only by root users 

For non-rootusers to write should customer repermission like create a subfolder and permission so that non-root users can write .

Any knowns issues such as 
When we delete PVC for ISCSI, it will not removed from Unity side 

Pod does not get IP when PVC is created 

sorry for posting my problem here

Are there any professional services that can implement the CSI for openshift for a customer who is a dark site , They cannot send us any logs 

Are there any specific logs that can be collected to troubleshoot the issue .

166 Posts

April 27th, 2021 08:00

Hi @rajans ,

For the iscsi non deleting PVC we will need more details from the logs.

You can get them with : 

kubectl get pod -n unity | awk '/unity/ {system("kubectl logs --prefix=true --all-containers -n unity "$1" > /tmp/"$1".log")}'

 

That's an interesting use case on the NFS you can reach me in PM and share your email address.

For PS assistance same, please send me a PM message.

May 3rd, 2021 22:00

The issue has been resolved 

customer set the 

https://docs.openshift.com/enterprise/3.0/architecture/additional_concepts/storage.html

persistentVolumeReclaimPolicy: Recycle  to  persistentVolumeReclaimPolicy: Retain

so upon pvc deletion it deletes from the openshift but not from the Unity .

 apiVersion: v1
kind: PersistentVolume
metadata:
name: pv0003
spec:
capacity:
storage: 5Gi
accessModes:
- ReadWriteOnce
persistentVolumeReclaimPolicy: Recycle
nfs:
path: /tmp
server: 172.17.0.2

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