Failed to mkdir elasticsearch read-only file system

General Discussions
1

Hi All,

Below is the issue im getting in kubectl

i have deploy 3 pods in gcloud kubernetes

All 3 are getting same issue of read-only file system

Container image "elasticsearch:6.8.12" already present on machine
  Warning  Failed     2m29s (x2 over 2m42s)   kubelet            (combined from similar events): Error: failed to generate container "d9e84805ac3f59db8209b63121aa43e271c31e49cd3dbc589ea9fd28fcb7a033" spec: failed to generate spec: failed to mkdir "/elasticsearch/esdata": mkdir /elasticsearch: read-only file system

Here is the elasticsearch-data.yml file

apiVersion: apps/v1
kind: Deployment
metadata:
  name: fx-elasticsearch
spec:
  replicas: 1
  selector:
    matchLabels:
      app: fx-elasticsearch
  template:
    metadata:
      labels:
        app: fx-elasticsearch
    spec:
      initContainers:
      - name: init-sysctl
        image: busybox:1.27.2
        command:
        - sysctl
        - -w
        - vm.max_map_count=262144
        securityContext:
          privileged: true
#      nodeName: aks-agentpool-12700391-0
      containers:
        - name: fx-elasticsearch
          image: elasticsearch:6.8.12
          ports:
            - containerPort: 9200
          envFrom:
           - configMapRef:
               name: elastic-config
#          volumeMounts:
#            - mountPath: "/usr/share/elasticsearch/data"
#              name: elasticsearch-pvc-storage
#              subPath: elasticsearch
#            - mountPath: "/usr/share/elasticsearch/config/elasticsearch.yml"
#              subPath: elasticsearch.yml
#              name: elasticsearch-configfile

#      volumes:
#        - name: elasticsearch-pvc-storage
#          persistentVolumeClaim:
#             claimName: elasticsearch-azure-disk-pvc
#        - name: elasticsearch-configfile
#          configMap:
#            name: elasticsearch-config

#
          volumeMounts:
            - mountPath: "/usr/share/elasticsearch/data"
              name: elasticsearch-pv-storageclaim
            - mountPath: "/usr/share/elasticsearch/config/elasticsearch.yml"
              subPath: elasticsearch.yml
              name: elasticsearch-configfile

      volumes:
        - name: elasticsearch-pv-storageclaim
          persistentVolumeClaim:
             claimName: elasticsearch-pv-claim
        - name: elasticsearch-configfile
          configMap:
            name: elasticsearch-config


### For HostPath Volume Type
#          volumeMounts:
#            - mountPath: "/usr/share/elasticsearch/config/elasticsearch.yml"
#              subPath: elasticsearch.yml
#              name: elasticsearch-configfile
#            - mountPath: "/usr/share/elasticsearch/data"
#              name: "esdata"
#      volumes:
#        - name: elasticsearch-configfile
#          configMap:
#            name: elasticsearch-config


#        - hostPath:
#            path: "/elasticsearch/esdata"
#          name: cloud-esdata


---

apiVersion: v1
kind: Service
metadata:
  name: fx-elasticsearch
  labels:
    app: fx-elasticsearch
spec:
  type: NodePort
#  type: ClusterIP
  ports:
   - port: 9200
  selector:
   app: fx-elasticsearch
  ports:
    - port: 9200
      name: fx-elasticsearch
    - port: 9300
      name: transport

Here is my elasticsearch-pv-claim.yaml file

apiVersion: v1
kind: PersistentVolume
metadata:
  name: elasticsearch-pv
  labels:
    type: local
spec:
  storageClassName: standard
  capacity:
    storage: 10G
  accessModes:
    - ReadWriteOnce
  hostPath:
    path: "/elasticsearch/esdata"
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  labels:
    app: elasticsearch
  name: elasticsearch-pv-claim
spec:
  storageClassName: standard
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 10G

All this deploy in gcp kubernets cluster

please help me