IBM Cloudのストレージタイプ
Access Modes で「ReadWriteOne」可能
ストレージ共有不可
Access Modes で「ReadWriteMany」可能
ポッドが複数ある場合は、ストレージを共有できます
評価
- bronze〜gold：固定IOPSでストレージサイズを選択
- custom：Storage SizeおよびSizeに合ったIOPSを選択
| bronze | silver | gold | custom | |
|---|---|---|---|---|
| iopsPerGB | 2 | 4 | 10 | |
| sizeRange | [20-12000]Gi | [20-12000]Gi | [20-4000]Gi | |
| sizeIOPSRange | [20-39]Gi : [100-1000] |
ビリング
- monthly または hourly (一時テストの作成時に hourly を使用することをお勧めします)
persistentVolume Reclaim Policy 値
ibmc-block-{등급} : "delete"
ibmc-block-retain-{등급} : "retain"
生成例
ibmc-block-retain-silver
apiVersion: v1 kind: PersistentVolumeClaim metadata: name: pvc-myapp annotations: volume.beta.kubernetes.io/storage-class: "ibmc-block-retain-silver" labels: billingType: "monthly" spec: accessModes: - ReadWriteOnce resources: requests: storage: 20Gi
ibmc-block-retain-custom
apiVersion: v1 kind: PersistentVolumeClaim metadata: name: pvc-myapp annotations: volume.beta.kubernetes.io/storage-class: "ibmc-block-retain-custom" labels: billingType: "monthly" spec: accessModes: - ReadWriteOnce # file storage인 경우에는 - ReadWriteMany resources: requests: storage: 20Gi iops: "1000"
生成されたPVCをDeploymentにマウント
apiVersion: apps/v1 kind: Deployment metadata: name: <deployment_name> labels: app: <deployment_label> spec: selector: matchLabels: app: <app_name> template: metadata: labels: app: <app_name> spec: containers: - image: <image_name> name: <container_name> volumeMounts: - name: <volume_name> mountPath: /<file_path> volumes: - name: <volume_name> persistentVolumeClaim: claimName: <pvc_name>
生成されたPVCをStatefulSetにマウントする
apiVersion: apps/v1 kind: StatefulSet metadata: name: web spec: serviceName: "nginx" replicas: 3 podManagementPolicy: "Parallel" selector: matchLabels: app: nginx template: metadata: labels: app: nginx spec: affinity: podAntiAffinity: preferredDuringSchedulingIgnoredDuringExecution: - weight: 100 podAffinityTerm: labelSelector: matchExpressions: - key: app operator: In values: - nginx topologyKey: failure-domain.beta.kubernetes.io/zone containers: - name: nginx image: k8s.gcr.io/nginx-slim:0.8 ports: - containerPort: 80 name: web volumeMounts: - name: www mountPath: /usr/share/nginx/html - name: wwwww mountPath: /tmp1 volumeClaimTemplates: - metadata: name: myvol1 spec: accessModes: - ReadWriteMany # access mode resources: requests: storage: 20Gi storageClassName: ibmc-file-bronze-delayed - metadata: name: myvol2 spec: accessModes: - ReadWriteMany # access mode resources: requests: storage: 20Gi storageClassName: ibmc-file-bronze-delayed
References
オンライン相談
問い合わせ