• master01,02,03에 디스크 추가(25G)
• master에 추가한 디스크 파티션 설정

5G : alertmanager용 20G : prometheus용

• localstorage Operator 설치

  oc-mirror list operaotr --catalog registry.redhat.io/redhat/community-operator-index:v4.19
  

• local-storage-operator

  • stable

• 참고 자료 토대로 Monitoring 구성

==================================== ◆ monitoring 구성

• 볼륨 파티셔닝 master node 접속

fdisk /dev/sdb

n > p > 1 > Enter > +size > w : Prometheus n > p > 1 > Enter > +size > w : Aletmanager

ls -l /dev/disk/by-id | grep part

alert

ata-1ATA_QEMU_HARDDISK_QM00003-part2

prometheus

ata-1ATA_QEMU_HARDDISK_QM00003-part1

• /tmp/after/local_storage pv yaml 수정 적용 [node name / disk ID 수정]

mas01-local-alert-sc.yaml

apiVersion: local.storage.openshift.io/v1
kind: LocalVolume
metadata:
  name: master1-local-alert-pv
  namespace: openshift-local-storage
spec:
  nodeSelector:
    nodeSelectorTerms:
    - matchExpressions:
      - key: kubernetes.io/hostname
        operator: In
        values:
          - master1.ocp.test.com
  storageClassDevices:
    - storageClassName: local-alert-sc
      volumeMode: Filesystem
      fsType: xfs
      devicePaths:
        - /dev/disk/by-id/ata-1ATA_QEMU_HARDDISK_QM00003-part2

mas01-local-prometheus-sc.yaml