About Support OS

[PowerYangcl]

Hello Sir，this project just support Ubuntu? What about CentOS 7.9 ? I installed using CentOS 7.9, but I haven't been able to experiment successfully. Do you have to use the Ubuntu operating system?

[niladrih]

Hi @PowerYangcl -- Could you tell me more about the issue that you faced when using CentOS?

[PowerYangcl]

Env：Docker 23.0.1、Kubernetes 1.26.5; 1master + 2 work。
Linux：centOS 7.9

k8s-master1
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 222.6G 0 disk
├─sda1 8:1 0 1M 0 part
├─sda2 8:2 0 1G 0 part /boot
├─sda3 8:3 0 40G 0 part /
└─sda4 8:4 0 80G 0 part
sdb 8:16 0 7T 0 disk

k8s-node1
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 222.6G 0 disk
├─sda1 8:1 0 1M 0 part
├─sda2 8:2 0 1G 0 part /boot
├─sda3 8:3 0 40G 0 part /
└─sda4 8:4 0 80G 0 part
nvme0n1 259:0 0 1.8T 0 disk

【openebs-device-sc.yaml】
kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
name: openebs-device-sc
annotations:
openebs.io/cas-type: local
cas.openebs.io/config: |
- name: StorageType
value: "device"
provisioner: openebs.io/local
reclaimPolicy: Delete
volumeBindingMode: WaitForFirstConsumer

【local-device-pod.yaml】
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
name: local-device-pvc
spec:
storageClassName: openebs-device-sc
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 50G

kind: Pod
apiVersion: v1
metadata:
name: local-device-pod
spec:
volumes:

• name: local-storage
  persistentVolumeClaim:
  claimName: local-device-pvc
  containers:
• name: hello-container
  image: nginx
  command:
  • sh
  • -c
  • 'while true; do echo "date [hostname] OpenEBS Local PV." >> /mnt/store/greet.txt; sleep $((1 % 5)); done'
    volumeMounts:
  • mountPath: /mnt/store
    name: local-storage

【local-device-pod1.yaml】
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
name: local-device-pvc1
spec:
storageClassName: openebs-device-sc
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 50G

apiVersion: v1
kind: Pod
metadata:
name: local-device-pod1
spec:
volumes:

• name: local-storage
  persistentVolumeClaim:
  claimName: local-device-pvc1
  containers:
• name: hello-container
  image: nginx
  command:
  • sh
  • -c
  • 'while true; do echo "date [hostname] OpenEBS Local PV." >> /mnt/store/greet.txt; sleep $((1 % 5)); done'
    volumeMounts:
  • mountPath: /mnt/store
    name: local-storage

[rohan2794]

@PowerYangcl Can you please attach controller logs as well as kubectl describe of controller sts ? Also please describe the issue which you are facing with CentOS 7.9 .