홈
제품
OpenShift Container Platform
4.19
엣지 컴퓨팅
6.8. 설치 후 클러스터 구성 권장

6.8. 설치 후 클러스터 구성 권장

클러스터 설치가 완료되면 ZTP 파이프라인에서 DU 워크로드를 실행하는 데 필요한 다음 사용자 정의 리소스(CR)를 적용합니다.

참고

GitOps ZTP v4.10 및 이전 버전에서는 MachineConfig CR을 사용하여 UEFI 보안 부팅을 구성합니다. GitOps ZTP v4.11 이상에서는 더 이상 필요하지 않습니다. v4.11에서는 클러스터를 설치하는 데 사용하는 site Config CR에서 spec.clusters.nodes.bootMode 필드를 업데이트하여 단일 노드 OpenShift 클러스터에 대해 UEFI 보안 부팅을 구성합니다. 자세한 내용은 site Config 및 GitOps ZTP를 사용하여 관리되는 클러스터 배포를 참조하십시오.

6.8.1. Operator
링크 복사

DU 워크로드를 실행하는 단일 노드 OpenShift 클러스터에는 다음 Operator를 설치해야 합니다.

Local Storage Operator
Logging Operator
PTP Operator
SR-IOV 네트워크 Operator

또한 사용자 정의 CatalogSource CR을 구성하고 기본 OperatorHub 구성을 비활성화하고 설치하는 클러스터에서 액세스할 수 있는 ImageContentSourcePolicy 미러 레지스트리를 구성해야 합니다.

권장 스토리지 Operator 네임스페이스 및 Operator group 구성 (StorageNS.yaml,StorageOperGroup.yaml)

---
apiVersion: v1
kind: Namespace
metadata:
  name: openshift-local-storage
  annotations:
    workload.openshift.io/allowed: management
---
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: openshift-local-storage
  namespace: openshift-local-storage
  annotations: {}
spec:
  targetNamespaces:
    - openshift-local-storage

---
apiVersion: v1
kind: Namespace
metadata:
  name: openshift-local-storage
  annotations:
    workload.openshift.io/allowed: management
---
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: openshift-local-storage
  namespace: openshift-local-storage
  annotations: {}
spec:
  targetNamespaces:
    - openshift-local-storage

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권장되는 Cluster Logging Operator 네임스페이스 및 Operator group 구성 (ClusterLogNS.yaml,ClusterLogOperGroup.yaml)

---
apiVersion: v1
kind: Namespace
metadata:
  name: openshift-logging
  annotations:
    workload.openshift.io/allowed: management
---
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: cluster-logging
  namespace: openshift-logging
  annotations: {}
spec:
  targetNamespaces:
    - openshift-logging

---
apiVersion: v1
kind: Namespace
metadata:
  name: openshift-logging
  annotations:
    workload.openshift.io/allowed: management
---
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: cluster-logging
  namespace: openshift-logging
  annotations: {}
spec:
  targetNamespaces:
    - openshift-logging

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권장되는 PTP Operator 네임스페이스 및 Operator 그룹 구성(PtpSubscriptionNS.yaml,PtpSubscriptionOperGroup.yaml)

---
apiVersion: v1
kind: Namespace
metadata:
  name: openshift-ptp
  annotations:
    workload.openshift.io/allowed: management
  labels:
    openshift.io/cluster-monitoring: "true"
---
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: ptp-operators
  namespace: openshift-ptp
  annotations: {}
spec:
  targetNamespaces:
    - openshift-ptp

---
apiVersion: v1
kind: Namespace
metadata:
  name: openshift-ptp
  annotations:
    workload.openshift.io/allowed: management
  labels:
    openshift.io/cluster-monitoring: "true"
---
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: ptp-operators
  namespace: openshift-ptp
  annotations: {}
spec:
  targetNamespaces:
    - openshift-ptp

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권장되는 SR-IOV Operator 네임스페이스 및 Operator 그룹 구성(SriovSubscriptionNS.yaml,SriovSubscriptionOperGroup.yaml)

---
apiVersion: v1
kind: Namespace
metadata:
  name: openshift-sriov-network-operator
  annotations:
    workload.openshift.io/allowed: management
---
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: sriov-network-operators
  namespace: openshift-sriov-network-operator
  annotations: {}
spec:
  targetNamespaces:
    - openshift-sriov-network-operator

---
apiVersion: v1
kind: Namespace
metadata:
  name: openshift-sriov-network-operator
  annotations:
    workload.openshift.io/allowed: management
---
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: sriov-network-operators
  namespace: openshift-sriov-network-operator
  annotations: {}
spec:
  targetNamespaces:
    - openshift-sriov-network-operator

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권장되는 CatalogSource 구성 (DefaultCatsrc.yaml)

apiVersion: operators.coreos.com/v1alpha1
kind: CatalogSource
metadata:
  name: default-cat-source
  namespace: openshift-marketplace
  annotations:
    target.workload.openshift.io/management: '{"effect": "PreferredDuringScheduling"}'
spec:
  displayName: default-cat-source
  image: $imageUrl
  publisher: Red Hat
  sourceType: grpc
  updateStrategy:
    registryPoll:
      interval: 1h
status:
  connectionState:
    lastObservedState: READY

apiVersion: operators.coreos.com/v1alpha1
kind: CatalogSource
metadata:
  name: default-cat-source
  namespace: openshift-marketplace
  annotations:
    target.workload.openshift.io/management: '{"effect": "PreferredDuringScheduling"}'
spec:
  displayName: default-cat-source
  image: $imageUrl
  publisher: Red Hat
  sourceType: grpc
  updateStrategy:
    registryPoll:
      interval: 1h
status:
  connectionState:
    lastObservedState: READY

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권장되는 ImageContentSourcePolicy 구성 (DisconnectedICSP.yaml)

apiVersion: operator.openshift.io/v1alpha1
kind: ImageContentSourcePolicy
metadata:
  name: disconnected-internal-icsp
  annotations: {}
spec:
#    repositoryDigestMirrors:
#    - $mirrors

apiVersion: operator.openshift.io/v1alpha1
kind: ImageContentSourcePolicy
metadata:
  name: disconnected-internal-icsp
  annotations: {}
spec:
#    repositoryDigestMirrors:
#    - $mirrors

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권장되는 OperatorHub 구성 (OperatorHub.yaml)

apiVersion: config.openshift.io/v1
kind: OperatorHub
metadata:
  name: cluster
  annotations: {}
spec:
  disableAllDefaultSources: true

apiVersion: config.openshift.io/v1
kind: OperatorHub
metadata:
  name: cluster
  annotations: {}
spec:
  disableAllDefaultSources: true

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6.8.2. Operator 서브스크립션
링크 복사

DU 워크로드를 실행하는 단일 노드 OpenShift 클러스터에는 다음과 같은 Subscription CR이 필요합니다. 서브스크립션은 다음 Operator를 다운로드할 위치를 제공합니다.

Local Storage Operator
Logging Operator
PTP Operator
SR-IOV 네트워크 Operator
SRIOV-FEC Operator

각 Operator 구독에 대해 Operator를 가져올 채널을 지정합니다. 추천 채널은 안정적 입니다.

수동 또는 자동 업데이트를 지정할 수 있습니다. 자동 모드에서는 운영자가 레지스트리에 최신 버전이 추가되면 채널의 최신 버전으로 자동 업데이트합니다. 수동 모드에서는 새로운 Operator 버전이 명시적으로 승인된 경우에만 설치됩니다.

작은 정보

구독에는 수동 모드를 사용하세요. 이를 통해 예정된 유지 관리 기간에 맞춰 운영자 업데이트의 타이밍을 제어할 수 있습니다.

권장되는 로컬 스토리지 운영자 구독( StorageSubscription.yaml )

apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: local-storage-operator
  namespace: openshift-local-storage
  annotations: {}
spec:
  channel: "stable"
  name: local-storage-operator
  source: redhat-operators-disconnected
  sourceNamespace: openshift-marketplace
  installPlanApproval: Manual
status:
  state: AtLatestKnown

apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: local-storage-operator
  namespace: openshift-local-storage
  annotations: {}
spec:
  channel: "stable"
  name: local-storage-operator
  source: redhat-operators-disconnected
  sourceNamespace: openshift-marketplace
  installPlanApproval: Manual
status:
  state: AtLatestKnown

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권장되는 SR-IOV 운영자 구독( SriovSubscription.yaml )

apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: sriov-network-operator-subscription
  namespace: openshift-sriov-network-operator
  annotations: {}
spec:
  channel: "stable"
  name: sriov-network-operator
  source: redhat-operators-disconnected
  sourceNamespace: openshift-marketplace
  installPlanApproval: Manual
status:
  state: AtLatestKnown

apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: sriov-network-operator-subscription
  namespace: openshift-sriov-network-operator
  annotations: {}
spec:
  channel: "stable"
  name: sriov-network-operator
  source: redhat-operators-disconnected
  sourceNamespace: openshift-marketplace
  installPlanApproval: Manual
status:
  state: AtLatestKnown

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권장 PTP 운영자 구독( PtpSubscription.yaml )

---
apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: ptp-operator-subscription
  namespace: openshift-ptp
  annotations: {}
spec:
  channel: "stable"
  name: ptp-operator
  source: redhat-operators-disconnected
  sourceNamespace: openshift-marketplace
  installPlanApproval: Manual
status:
  state: AtLatestKnown

---
apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: ptp-operator-subscription
  namespace: openshift-ptp
  annotations: {}
spec:
  channel: "stable"
  name: ptp-operator
  source: redhat-operators-disconnected
  sourceNamespace: openshift-marketplace
  installPlanApproval: Manual
status:
  state: AtLatestKnown

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권장되는 클러스터 로깅 운영자 구독( ClusterLogSubscription.yaml )

apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: cluster-logging
  namespace: openshift-logging
  annotations: {}
spec:
  channel: "stable-6.0"
  name: cluster-logging
  source: redhat-operators-disconnected
  sourceNamespace: openshift-marketplace
  installPlanApproval: Manual
status:
  state: AtLatestKnown

apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: cluster-logging
  namespace: openshift-logging
  annotations: {}
spec:
  channel: "stable-6.0"
  name: cluster-logging
  source: redhat-operators-disconnected
  sourceNamespace: openshift-marketplace
  installPlanApproval: Manual
status:
  state: AtLatestKnown

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6.8.3. 클러스터 로깅 및 로그 전달
링크 복사

DU 워크로드를 실행하는 단일 노드 OpenShift 클러스터에는 디버깅을 위한 로깅 및 로그 전달이 필요합니다. 다음과 같은 사용자 정의 리소스(CR)가 필요합니다.

Recommended ClusterLogForwarder.yaml

apiVersion: "observability.openshift.io/v1"
kind: ClusterLogForwarder
metadata:
  name: instance
  namespace: openshift-logging
  annotations: {}
spec:
  # outputs: $outputs
  # pipelines: $pipelines
  serviceAccount:
    name: logcollector
#apiVersion: "observability.openshift.io/v1"
#kind: ClusterLogForwarder
#metadata:
#  name: instance
#  namespace: openshift-logging
# spec:
#   outputs:
#   - type: "kafka"
#     name: kafka-open
#     # below url is an example
#     kafka:
#       url: tcp://10.46.55.190:9092/test
#   filters:
#   - name: test-labels
#     type: openshiftLabels
#     openshiftLabels:
#       label1: test1
#       label2: test2
#       label3: test3
#       label4: test4
#   pipelines:
#   - name: all-to-default
#     inputRefs:
#     - audit
#     - infrastructure
#     filterRefs:
#     - test-labels
#     outputRefs:
#     - kafka-open
#   serviceAccount:
#     name: logcollector

apiVersion: "observability.openshift.io/v1"
kind: ClusterLogForwarder
metadata:
  name: instance
  namespace: openshift-logging
  annotations: {}
spec:
  # outputs: $outputs
  # pipelines: $pipelines
  serviceAccount:
    name: logcollector
#apiVersion: "observability.openshift.io/v1"
#kind: ClusterLogForwarder
#metadata:
#  name: instance
#  namespace: openshift-logging
# spec:
#   outputs:
#   - type: "kafka"
#     name: kafka-open
#     # below url is an example
#     kafka:
#       url: tcp://10.46.55.190:9092/test
#   filters:
#   - name: test-labels
#     type: openshiftLabels
#     openshiftLabels:
#       label1: test1
#       label2: test2
#       label3: test3
#       label4: test4
#   pipelines:
#   - name: all-to-default
#     inputRefs:
#     - audit
#     - infrastructure
#     filterRefs:
#     - test-labels
#     outputRefs:
#     - kafka-open
#   serviceAccount:
#     name: logcollector

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참고

spec.outputs.kafka.url 필드를 로그가 전달되는 Kafka 서버의 URL로 설정합니다.

Recommended ClusterLogNS.yaml

---
apiVersion: v1
kind: Namespace
metadata:
  name: openshift-logging
  annotations:
    workload.openshift.io/allowed: management

---
apiVersion: v1
kind: Namespace
metadata:
  name: openshift-logging
  annotations:
    workload.openshift.io/allowed: management

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Recommended ClusterLogOperGroup.yaml

---
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: cluster-logging
  namespace: openshift-logging
  annotations: {}
spec:
  targetNamespaces:
    - openshift-logging

---
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: cluster-logging
  namespace: openshift-logging
  annotations: {}
spec:
  targetNamespaces:
    - openshift-logging

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Recommended ClusterLogServiceAccount.yaml

---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: logcollector
  namespace: openshift-logging
  annotations: {}

---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: logcollector
  namespace: openshift-logging
  annotations: {}

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Recommended ClusterLogServiceAccountAuditBinding.yaml

---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: logcollector-audit-logs-binding
  annotations: {}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: collect-audit-logs
subjects:
  - kind: ServiceAccount
    name: logcollector
    namespace: openshift-logging

---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: logcollector-audit-logs-binding
  annotations: {}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: collect-audit-logs
subjects:
  - kind: ServiceAccount
    name: logcollector
    namespace: openshift-logging

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Recommended ClusterLogServiceAccountInfrastructureBinding.yaml

---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: logcollector-infrastructure-logs-binding
  annotations: {}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: collect-infrastructure-logs
subjects:
  - kind: ServiceAccount
    name: logcollector
    namespace: openshift-logging

---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: logcollector-infrastructure-logs-binding
  annotations: {}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: collect-infrastructure-logs
subjects:
  - kind: ServiceAccount
    name: logcollector
    namespace: openshift-logging

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Recommended ClusterLogSubscription.yaml

apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: cluster-logging
  namespace: openshift-logging
  annotations: {}
spec:
  channel: "stable-6.0"
  name: cluster-logging
  source: redhat-operators-disconnected
  sourceNamespace: openshift-marketplace
  installPlanApproval: Manual
status:
  state: AtLatestKnown

apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: cluster-logging
  namespace: openshift-logging
  annotations: {}
spec:
  channel: "stable-6.0"
  name: cluster-logging
  source: redhat-operators-disconnected
  sourceNamespace: openshift-marketplace
  installPlanApproval: Manual
status:
  state: AtLatestKnown

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6.8.4. 성과 프로필
링크 복사

DU 워크로드를 실행하는 단일 노드 OpenShift 클러스터에는 실시간 호스트 기능과 서비스를 사용하기 위한 노드 튜닝 운영자 성능 프로필이 필요합니다.

참고

OpenShift Container Platform의 이전 버전에서는 Performance Addon Operator를 사용하여 OpenShift 애플리케이션의 저지연 성능을 달성하기 위한 자동 튜닝을 구현했습니다. OpenShift Container Platform 4.11 이상에서는 이 기능이 Node Tuning Operator의 일부입니다.

다음 PerformanceProfile CR 예제는 필요한 단일 노드 OpenShift 클러스터 구성을 보여줍니다.

권장되는 성능 프로필 구성( PerformanceProfile.yaml )

apiVersion: performance.openshift.io/v2
kind: PerformanceProfile
metadata:
  # if you change this name make sure the 'include' line in TunedPerformancePatch.yaml
  # matches this name: include=openshift-node-performance-${PerformanceProfile.metadata.name}
  # Also in file 'validatorCRs/informDuValidator.yaml':
  # name: 50-performance-${PerformanceProfile.metadata.name}
  name: openshift-node-performance-profile
  annotations:
    ran.openshift.io/reference-configuration: "ran-du.redhat.com"
spec:
  additionalKernelArgs:
    - "rcupdate.rcu_normal_after_boot=0"
    - "efi=runtime"
    - "vfio_pci.enable_sriov=1"
    - "vfio_pci.disable_idle_d3=1"
    - "module_blacklist=irdma"
  cpu:
    isolated: $isolated
    reserved: $reserved
  hugepages:
    defaultHugepagesSize: $defaultHugepagesSize
    pages:
      - size: $size
        count: $count
        node: $node
  machineConfigPoolSelector:
    pools.operator.machineconfiguration.openshift.io/$mcp: ""
  nodeSelector:
    node-role.kubernetes.io/$mcp: ''
  numa:
    topologyPolicy: "restricted"
  # To use the standard (non-realtime) kernel, set enabled to false
  realTimeKernel:
    enabled: true
  workloadHints:
    # WorkloadHints defines the set of upper level flags for different type of workloads.
    # See https://github.com/openshift/cluster-node-tuning-operator/blob/master/docs/performanceprofile/performance_profile.md#workloadhints
    # for detailed descriptions of each item.
    # The configuration below is set for a low latency, performance mode.
    realTime: true
    highPowerConsumption: false
    perPodPowerManagement: false

apiVersion: performance.openshift.io/v2
kind: PerformanceProfile
metadata:
  # if you change this name make sure the 'include' line in TunedPerformancePatch.yaml
  # matches this name: include=openshift-node-performance-${PerformanceProfile.metadata.name}
  # Also in file 'validatorCRs/informDuValidator.yaml':
  # name: 50-performance-${PerformanceProfile.metadata.name}
  name: openshift-node-performance-profile
  annotations:
    ran.openshift.io/reference-configuration: "ran-du.redhat.com"
spec:
  additionalKernelArgs:
    - "rcupdate.rcu_normal_after_boot=0"
    - "efi=runtime"
    - "vfio_pci.enable_sriov=1"
    - "vfio_pci.disable_idle_d3=1"
    - "module_blacklist=irdma"
  cpu:
    isolated: $isolated
    reserved: $reserved
  hugepages:
    defaultHugepagesSize: $defaultHugepagesSize
    pages:
      - size: $size
        count: $count
        node: $node
  machineConfigPoolSelector:
    pools.operator.machineconfiguration.openshift.io/$mcp: ""
  nodeSelector:
    node-role.kubernetes.io/$mcp: ''
  numa:
    topologyPolicy: "restricted"
  # To use the standard (non-realtime) kernel, set enabled to false
  realTimeKernel:
    enabled: true
  workloadHints:
    # WorkloadHints defines the set of upper level flags for different type of workloads.
    # See https://github.com/openshift/cluster-node-tuning-operator/blob/master/docs/performanceprofile/performance_profile.md#workloadhints
    # for detailed descriptions of each item.
    # The configuration below is set for a low latency, performance mode.
    realTime: true
    highPowerConsumption: false
    perPodPowerManagement: false

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표 6.3. 단일 노드 OpenShift 클러스터에 대한 PerformanceProfile CR 옵션
PerformanceProfile CR 필드	설명
`metadata.name`	`이름` 이 관련 GitOps ZTP 사용자 정의 리소스(CR)에 설정된 다음 필드와 일치하는지 확인하세요. `TunedPerformancePatch.yaml` 에 `include=openshift-node-performance-${PerformanceProfile.metadata.name}을 포함합니다.` `name: 50-performance-${PerformanceProfile.metadata.name}` in `validatorCRs/informDuValidator.yaml`
`spec.additionalKernelArgs`	`"efi=runtime"` 클러스터 호스트에 대한 UEFI 보안 부팅을 구성합니다.
`spec.cpu.isolated`	격리된 CPU를 설정합니다. 모든 하이퍼스레딩 쌍이 일치하는지 확인하세요. 중요 예약된 CPU 풀과 격리된 CPU 풀은 겹치지 않아야 하며, 사용 가능한 모든 코어에 걸쳐 있어야 합니다. 계산되지 않은 CPU 코어로 인해 시스템에서 정의되지 않은 동작이 발생합니다.
`spec.cpu.reserved`	예약된 CPU를 설정합니다. 작업 부하 분할이 활성화되면 시스템 프로세스, 커널 스레드, 시스템 컨테이너 스레드가 해당 CPU로 제한됩니다. 분리되지 않은 모든 CPU를 예약해야 합니다.
`spec.hugepages.pages`	대용량 페이지 수 설정( `count` ) 큰 페이지 크기( `size` )를 설정합니다. `거대 페이지가` 할당된 NUMA 노드로 `노드를` 설정합니다( `노드` )
`spec.realTimeKernel`	실시간 커널을 사용하려면 `enabled를` `true` 로 설정합니다.
`spec.workloadHints`	`workloadHints를` 사용하여 다양한 유형의 워크로드에 대한 최상위 플래그 세트를 정의합니다. 예제 구성은 낮은 지연 시간과 높은 성능을 위해 클러스터를 구성합니다.

6.8.5. 클러스터 시간 동기화 구성
링크 복사

제어 평면 또는 작업자 노드에 대해 일회성 시스템 시간 동기화 작업을 실행합니다.

제어 평면 노드에 권장되는 일회성 시간 동기화( 99-sync-time-once-master.yaml )

# Automatically generated by extra-manifests-builder
# Do not make changes directly.
apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: master
  name: 99-sync-time-once-master
spec:
  config:
    ignition:
      version: 3.2.0
    systemd:
      units:
        - contents: |
            [Unit]
            Description=Sync time once
            After=network-online.target
            Wants=network-online.target
            [Service]
            Type=oneshot
            TimeoutStartSec=300
            ExecCondition=/bin/bash -c 'systemctl is-enabled chronyd.service --quiet && exit 1 || exit 0'
            ExecStart=/usr/sbin/chronyd -n -f /etc/chrony.conf -q
            RemainAfterExit=yes
            [Install]
            WantedBy=multi-user.target
          enabled: true
          name: sync-time-once.service

# Automatically generated by extra-manifests-builder
# Do not make changes directly.
apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: master
  name: 99-sync-time-once-master
spec:
  config:
    ignition:
      version: 3.2.0
    systemd:
      units:
        - contents: |
            [Unit]
            Description=Sync time once
            After=network-online.target
            Wants=network-online.target
            [Service]
            Type=oneshot
            TimeoutStartSec=300
            ExecCondition=/bin/bash -c 'systemctl is-enabled chronyd.service --quiet && exit 1 || exit 0'
            ExecStart=/usr/sbin/chronyd -n -f /etc/chrony.conf -q
            RemainAfterExit=yes
            [Install]
            WantedBy=multi-user.target
          enabled: true
          name: sync-time-once.service

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워커 노드에 권장되는 일회성 시간 동기화( 99-sync-time-once-worker.yaml )

# Automatically generated by extra-manifests-builder
# Do not make changes directly.
apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: worker
  name: 99-sync-time-once-worker
spec:
  config:
    ignition:
      version: 3.2.0
    systemd:
      units:
        - contents: |
            [Unit]
            Description=Sync time once
            After=network-online.target
            Wants=network-online.target
            [Service]
            Type=oneshot
            TimeoutStartSec=300
            ExecCondition=/bin/bash -c 'systemctl is-enabled chronyd.service --quiet && exit 1 || exit 0'
            ExecStart=/usr/sbin/chronyd -n -f /etc/chrony.conf -q
            RemainAfterExit=yes
            [Install]
            WantedBy=multi-user.target
          enabled: true
          name: sync-time-once.service

# Automatically generated by extra-manifests-builder
# Do not make changes directly.
apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: worker
  name: 99-sync-time-once-worker
spec:
  config:
    ignition:
      version: 3.2.0
    systemd:
      units:
        - contents: |
            [Unit]
            Description=Sync time once
            After=network-online.target
            Wants=network-online.target
            [Service]
            Type=oneshot
            TimeoutStartSec=300
            ExecCondition=/bin/bash -c 'systemctl is-enabled chronyd.service --quiet && exit 1 || exit 0'
            ExecStart=/usr/sbin/chronyd -n -f /etc/chrony.conf -q
            RemainAfterExit=yes
            [Install]
            WantedBy=multi-user.target
          enabled: true
          name: sync-time-once.service

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6.8.6. PTP
링크 복사

단일 노드 OpenShift 클러스터는 네트워크 시간 동기화를 위해 PTP(Precision Time Protocol)를 사용합니다. 다음 예제 PtpConfig CR은 일반 클록, 경계 클록 및 그랜드마스터 클록에 필요한 PTP 구성을 보여줍니다. 적용할 정확한 구성은 노드 하드웨어와 특정 사용 사례에 따라 달라집니다.

권장되는 PTP 일반 클럭 구성(PtpConfigSlave.yaml)

apiVersion: ptp.openshift.io/v1
kind: PtpConfig
metadata:
  name: ordinary
  namespace: openshift-ptp
  annotations: {}
spec:
  profile:
    - name: "ordinary"
      # The interface name is hardware-specific
      interface: $interface
      ptp4lOpts: "-2 -s"
      phc2sysOpts: "-a -r -n 24"
      ptpSchedulingPolicy: SCHED_FIFO
      ptpSchedulingPriority: 10
      ptpSettings:
        logReduce: "true"
      ptp4lConf: |
        [global]
        #
        # Default Data Set
        #
        twoStepFlag 1
        slaveOnly 1
        priority1 128
        priority2 128
        domainNumber 24
        #utc_offset 37
        clockClass 255
        clockAccuracy 0xFE
        offsetScaledLogVariance 0xFFFF
        free_running 0
        freq_est_interval 1
        dscp_event 0
        dscp_general 0
        dataset_comparison G.8275.x
        G.8275.defaultDS.localPriority 128
        #
        # Port Data Set
        #
        logAnnounceInterval -3
        logSyncInterval -4
        logMinDelayReqInterval -4
        logMinPdelayReqInterval -4
        announceReceiptTimeout 3
        syncReceiptTimeout 0
        delayAsymmetry 0
        fault_reset_interval -4
        neighborPropDelayThresh 20000000
        masterOnly 0
        G.8275.portDS.localPriority 128
        #
        # Run time options
        #
        assume_two_step 0
        logging_level 6
        path_trace_enabled 0
        follow_up_info 0
        hybrid_e2e 0
        inhibit_multicast_service 0
        net_sync_monitor 0
        tc_spanning_tree 0
        tx_timestamp_timeout 50
        unicast_listen 0
        unicast_master_table 0
        unicast_req_duration 3600
        use_syslog 1
        verbose 0
        summary_interval 0
        kernel_leap 1
        check_fup_sync 0
        clock_class_threshold 7
        #
        # Servo Options
        #
        pi_proportional_const 0.0
        pi_integral_const 0.0
        pi_proportional_scale 0.0
        pi_proportional_exponent -0.3
        pi_proportional_norm_max 0.7
        pi_integral_scale 0.0
        pi_integral_exponent 0.4
        pi_integral_norm_max 0.3
        step_threshold 2.0
        first_step_threshold 0.00002
        max_frequency 900000000
        clock_servo pi
        sanity_freq_limit 200000000
        ntpshm_segment 0
        #
        # Transport options
        #
        transportSpecific 0x0
        ptp_dst_mac 01:1B:19:00:00:00
        p2p_dst_mac 01:80:C2:00:00:0E
        udp_ttl 1
        udp6_scope 0x0E
        uds_address /var/run/ptp4l
        #
        # Default interface options
        #
        clock_type OC
        network_transport L2
        delay_mechanism E2E
        time_stamping hardware
        tsproc_mode filter
        delay_filter moving_median
        delay_filter_length 10
        egressLatency 0
        ingressLatency 0
        boundary_clock_jbod 0
        #
        # Clock description
        #
        productDescription ;;
        revisionData ;;
        manufacturerIdentity 00:00:00
        userDescription ;
        timeSource 0xA0
  recommend:
    - profile: "ordinary"
      priority: 4
      match:
        - nodeLabel: "node-role.kubernetes.io/$mcp"

apiVersion: ptp.openshift.io/v1
kind: PtpConfig
metadata:
  name: ordinary
  namespace: openshift-ptp
  annotations: {}
spec:
  profile:
    - name: "ordinary"
      # The interface name is hardware-specific
      interface: $interface
      ptp4lOpts: "-2 -s"
      phc2sysOpts: "-a -r -n 24"
      ptpSchedulingPolicy: SCHED_FIFO
      ptpSchedulingPriority: 10
      ptpSettings:
        logReduce: "true"
      ptp4lConf: |
        [global]
        #
        # Default Data Set
        #
        twoStepFlag 1
        slaveOnly 1
        priority1 128
        priority2 128
        domainNumber 24
        #utc_offset 37
        clockClass 255
        clockAccuracy 0xFE
        offsetScaledLogVariance 0xFFFF
        free_running 0
        freq_est_interval 1
        dscp_event 0
        dscp_general 0
        dataset_comparison G.8275.x
        G.8275.defaultDS.localPriority 128
        #
        # Port Data Set
        #
        logAnnounceInterval -3
        logSyncInterval -4
        logMinDelayReqInterval -4
        logMinPdelayReqInterval -4
        announceReceiptTimeout 3
        syncReceiptTimeout 0
        delayAsymmetry 0
        fault_reset_interval -4
        neighborPropDelayThresh 20000000
        masterOnly 0
        G.8275.portDS.localPriority 128
        #
        # Run time options
        #
        assume_two_step 0
        logging_level 6
        path_trace_enabled 0
        follow_up_info 0
        hybrid_e2e 0
        inhibit_multicast_service 0
        net_sync_monitor 0
        tc_spanning_tree 0
        tx_timestamp_timeout 50
        unicast_listen 0
        unicast_master_table 0
        unicast_req_duration 3600
        use_syslog 1
        verbose 0
        summary_interval 0
        kernel_leap 1
        check_fup_sync 0
        clock_class_threshold 7
        #
        # Servo Options
        #
        pi_proportional_const 0.0
        pi_integral_const 0.0
        pi_proportional_scale 0.0
        pi_proportional_exponent -0.3
        pi_proportional_norm_max 0.7
        pi_integral_scale 0.0
        pi_integral_exponent 0.4
        pi_integral_norm_max 0.3
        step_threshold 2.0
        first_step_threshold 0.00002
        max_frequency 900000000
        clock_servo pi
        sanity_freq_limit 200000000
        ntpshm_segment 0
        #
        # Transport options
        #
        transportSpecific 0x0
        ptp_dst_mac 01:1B:19:00:00:00
        p2p_dst_mac 01:80:C2:00:00:0E
        udp_ttl 1
        udp6_scope 0x0E
        uds_address /var/run/ptp4l
        #
        # Default interface options
        #
        clock_type OC
        network_transport L2
        delay_mechanism E2E
        time_stamping hardware
        tsproc_mode filter
        delay_filter moving_median
        delay_filter_length 10
        egressLatency 0
        ingressLatency 0
        boundary_clock_jbod 0
        #
        # Clock description
        #
        productDescription ;;
        revisionData ;;
        manufacturerIdentity 00:00:00
        userDescription ;
        timeSource 0xA0
  recommend:
    - profile: "ordinary"
      priority: 4
      match:
        - nodeLabel: "node-role.kubernetes.io/$mcp"

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권장되는 경계 클록 구성( PtpConfigBoundary.yaml )

apiVersion: ptp.openshift.io/v1
kind: PtpConfig
metadata:
  name: boundary
  namespace: openshift-ptp
  annotations: {}
spec:
  profile:
    - name: "boundary"
      ptp4lOpts: "-2"
      phc2sysOpts: "-a -r -n 24"
      ptpSchedulingPolicy: SCHED_FIFO
      ptpSchedulingPriority: 10
      ptpSettings:
        logReduce: "true"
      ptp4lConf: |
        # The interface name is hardware-specific
        [$iface_slave]
        masterOnly 0
        [$iface_master_1]
        masterOnly 1
        [$iface_master_2]
        masterOnly 1
        [$iface_master_3]
        masterOnly 1
        [global]
        #
        # Default Data Set
        #
        twoStepFlag 1
        slaveOnly 0
        priority1 128
        priority2 128
        domainNumber 24
        #utc_offset 37
        clockClass 248
        clockAccuracy 0xFE
        offsetScaledLogVariance 0xFFFF
        free_running 0
        freq_est_interval 1
        dscp_event 0
        dscp_general 0
        dataset_comparison G.8275.x
        G.8275.defaultDS.localPriority 128
        #
        # Port Data Set
        #
        logAnnounceInterval -3
        logSyncInterval -4
        logMinDelayReqInterval -4
        logMinPdelayReqInterval -4
        announceReceiptTimeout 3
        syncReceiptTimeout 0
        delayAsymmetry 0
        fault_reset_interval -4
        neighborPropDelayThresh 20000000
        masterOnly 0
        G.8275.portDS.localPriority 128
        #
        # Run time options
        #
        assume_two_step 0
        logging_level 6
        path_trace_enabled 0
        follow_up_info 0
        hybrid_e2e 0
        inhibit_multicast_service 0
        net_sync_monitor 0
        tc_spanning_tree 0
        tx_timestamp_timeout 50
        unicast_listen 0
        unicast_master_table 0
        unicast_req_duration 3600
        use_syslog 1
        verbose 0
        summary_interval 0
        kernel_leap 1
        check_fup_sync 0
        clock_class_threshold 135
        #
        # Servo Options
        #
        pi_proportional_const 0.0
        pi_integral_const 0.0
        pi_proportional_scale 0.0
        pi_proportional_exponent -0.3
        pi_proportional_norm_max 0.7
        pi_integral_scale 0.0
        pi_integral_exponent 0.4
        pi_integral_norm_max 0.3
        step_threshold 2.0
        first_step_threshold 0.00002
        max_frequency 900000000
        clock_servo pi
        sanity_freq_limit 200000000
        ntpshm_segment 0
        #
        # Transport options
        #
        transportSpecific 0x0
        ptp_dst_mac 01:1B:19:00:00:00
        p2p_dst_mac 01:80:C2:00:00:0E
        udp_ttl 1
        udp6_scope 0x0E
        uds_address /var/run/ptp4l
        #
        # Default interface options
        #
        clock_type BC
        network_transport L2
        delay_mechanism E2E
        time_stamping hardware
        tsproc_mode filter
        delay_filter moving_median
        delay_filter_length 10
        egressLatency 0
        ingressLatency 0
        boundary_clock_jbod 0
        #
        # Clock description
        #
        productDescription ;;
        revisionData ;;
        manufacturerIdentity 00:00:00
        userDescription ;
        timeSource 0xA0
  recommend:
    - profile: "boundary"
      priority: 4
      match:
        - nodeLabel: "node-role.kubernetes.io/$mcp"

apiVersion: ptp.openshift.io/v1
kind: PtpConfig
metadata:
  name: boundary
  namespace: openshift-ptp
  annotations: {}
spec:
  profile:
    - name: "boundary"
      ptp4lOpts: "-2"
      phc2sysOpts: "-a -r -n 24"
      ptpSchedulingPolicy: SCHED_FIFO
      ptpSchedulingPriority: 10
      ptpSettings:
        logReduce: "true"
      ptp4lConf: |
        # The interface name is hardware-specific
        [$iface_slave]
        masterOnly 0
        [$iface_master_1]
        masterOnly 1
        [$iface_master_2]
        masterOnly 1
        [$iface_master_3]
        masterOnly 1
        [global]
        #
        # Default Data Set
        #
        twoStepFlag 1
        slaveOnly 0
        priority1 128
        priority2 128
        domainNumber 24
        #utc_offset 37
        clockClass 248
        clockAccuracy 0xFE
        offsetScaledLogVariance 0xFFFF
        free_running 0
        freq_est_interval 1
        dscp_event 0
        dscp_general 0
        dataset_comparison G.8275.x
        G.8275.defaultDS.localPriority 128
        #
        # Port Data Set
        #
        logAnnounceInterval -3
        logSyncInterval -4
        logMinDelayReqInterval -4
        logMinPdelayReqInterval -4
        announceReceiptTimeout 3
        syncReceiptTimeout 0
        delayAsymmetry 0
        fault_reset_interval -4
        neighborPropDelayThresh 20000000
        masterOnly 0
        G.8275.portDS.localPriority 128
        #
        # Run time options
        #
        assume_two_step 0
        logging_level 6
        path_trace_enabled 0
        follow_up_info 0
        hybrid_e2e 0
        inhibit_multicast_service 0
        net_sync_monitor 0
        tc_spanning_tree 0
        tx_timestamp_timeout 50
        unicast_listen 0
        unicast_master_table 0
        unicast_req_duration 3600
        use_syslog 1
        verbose 0
        summary_interval 0
        kernel_leap 1
        check_fup_sync 0
        clock_class_threshold 135
        #
        # Servo Options
        #
        pi_proportional_const 0.0
        pi_integral_const 0.0
        pi_proportional_scale 0.0
        pi_proportional_exponent -0.3
        pi_proportional_norm_max 0.7
        pi_integral_scale 0.0
        pi_integral_exponent 0.4
        pi_integral_norm_max 0.3
        step_threshold 2.0
        first_step_threshold 0.00002
        max_frequency 900000000
        clock_servo pi
        sanity_freq_limit 200000000
        ntpshm_segment 0
        #
        # Transport options
        #
        transportSpecific 0x0
        ptp_dst_mac 01:1B:19:00:00:00
        p2p_dst_mac 01:80:C2:00:00:0E
        udp_ttl 1
        udp6_scope 0x0E
        uds_address /var/run/ptp4l
        #
        # Default interface options
        #
        clock_type BC
        network_transport L2
        delay_mechanism E2E
        time_stamping hardware
        tsproc_mode filter
        delay_filter moving_median
        delay_filter_length 10
        egressLatency 0
        ingressLatency 0
        boundary_clock_jbod 0
        #
        # Clock description
        #
        productDescription ;;
        revisionData ;;
        manufacturerIdentity 00:00:00
        userDescription ;
        timeSource 0xA0
  recommend:
    - profile: "boundary"
      priority: 4
      match:
        - nodeLabel: "node-role.kubernetes.io/$mcp"

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Recommended PTP Westport Channel e810 grandmaster clock configuration (PtpConfigGmWpc.yaml)

# The grandmaster profile is provided for testing only
# It is not installed on production clusters
apiVersion: ptp.openshift.io/v1
kind: PtpConfig
metadata:
  name: grandmaster
  namespace: openshift-ptp
  annotations: {}
spec:
  profile:
    - name: "grandmaster"
      ptp4lOpts: "-2 --summary_interval -4"
      phc2sysOpts: -r -u 0 -m -w -N 8 -R 16 -s $iface_master -n 24
      ptpSchedulingPolicy: SCHED_FIFO
      ptpSchedulingPriority: 10
      ptpSettings:
        logReduce: "true"
      plugins:
        e810:
          enableDefaultConfig: false
          settings:
            LocalMaxHoldoverOffSet: 1500
            LocalHoldoverTimeout: 14400
            MaxInSpecOffset: 1500
          pins: $e810_pins
          #  "$iface_master":
          #    "U.FL2": "0 2"
          #    "U.FL1": "0 1"
          #    "SMA2": "0 2"
          #    "SMA1": "0 1"
          ublxCmds:
            - args: #ubxtool -P 29.20 -z CFG-HW-ANT_CFG_VOLTCTRL,1
                - "-P"
                - "29.20"
                - "-z"
                - "CFG-HW-ANT_CFG_VOLTCTRL,1"
              reportOutput: false
            - args: #ubxtool -P 29.20 -e GPS
                - "-P"
                - "29.20"
                - "-e"
                - "GPS"
              reportOutput: false
            - args: #ubxtool -P 29.20 -d Galileo
                - "-P"
                - "29.20"
                - "-d"
                - "Galileo"
              reportOutput: false
            - args: #ubxtool -P 29.20 -d GLONASS
                - "-P"
                - "29.20"
                - "-d"
                - "GLONASS"
              reportOutput: false
            - args: #ubxtool -P 29.20 -d BeiDou
                - "-P"
                - "29.20"
                - "-d"
                - "BeiDou"
              reportOutput: false
            - args: #ubxtool -P 29.20 -d SBAS
                - "-P"
                - "29.20"
                - "-d"
                - "SBAS"
              reportOutput: false
            - args: #ubxtool -P 29.20 -t -w 5 -v 1 -e SURVEYIN,600,50000
                - "-P"
                - "29.20"
                - "-t"
                - "-w"
                - "5"
                - "-v"
                - "1"
                - "-e"
                - "SURVEYIN,600,50000"
              reportOutput: true
            - args: #ubxtool -P 29.20 -p MON-HW
                - "-P"
                - "29.20"
                - "-p"
                - "MON-HW"
              reportOutput: true
            - args: #ubxtool -P 29.20 -p CFG-MSG,1,38,248
                - "-P"
                - "29.20"
                - "-p"
                - "CFG-MSG,1,38,248"
              reportOutput: true
      ts2phcOpts: " "
      ts2phcConf: |
        [nmea]
        ts2phc.master 1
        [global]
        use_syslog  0
        verbose 1
        logging_level 7
        ts2phc.pulsewidth 100000000
        #cat /dev/GNSS to find available serial port
        #example value of gnss_serialport is /dev/ttyGNSS_1700_0
        ts2phc.nmea_serialport $gnss_serialport
        leapfile  /usr/share/zoneinfo/leap-seconds.list
        [$iface_master]
        ts2phc.extts_polarity rising
        ts2phc.extts_correction 0
      ptp4lConf: |
        [$iface_master]
        masterOnly 1
        [$iface_master_1]
        masterOnly 1
        [$iface_master_2]
        masterOnly 1
        [$iface_master_3]
        masterOnly 1
        [global]
        #
        # Default Data Set
        #
        twoStepFlag 1
        priority1 128
        priority2 128
        domainNumber 24
        #utc_offset 37
        clockClass 6
        clockAccuracy 0x27
        offsetScaledLogVariance 0xFFFF
        free_running 0
        freq_est_interval 1
        dscp_event 0
        dscp_general 0
        dataset_comparison G.8275.x
        G.8275.defaultDS.localPriority 128
        #
        # Port Data Set
        #
        logAnnounceInterval -3
        logSyncInterval -4
        logMinDelayReqInterval -4
        logMinPdelayReqInterval 0
        announceReceiptTimeout 3
        syncReceiptTimeout 0
        delayAsymmetry 0
        fault_reset_interval -4
        neighborPropDelayThresh 20000000
        masterOnly 0
        G.8275.portDS.localPriority 128
        #
        # Run time options
        #
        assume_two_step 0
        logging_level 6
        path_trace_enabled 0
        follow_up_info 0
        hybrid_e2e 0
        inhibit_multicast_service 0
        net_sync_monitor 0
        tc_spanning_tree 0
        tx_timestamp_timeout 50
        unicast_listen 0
        unicast_master_table 0
        unicast_req_duration 3600
        use_syslog 1
        verbose 0
        summary_interval -4
        kernel_leap 1
        check_fup_sync 0
        clock_class_threshold 7
        #
        # Servo Options
        #
        pi_proportional_const 0.0
        pi_integral_const 0.0
        pi_proportional_scale 0.0
        pi_proportional_exponent -0.3
        pi_proportional_norm_max 0.7
        pi_integral_scale 0.0
        pi_integral_exponent 0.4
        pi_integral_norm_max 0.3
        step_threshold 2.0
        first_step_threshold 0.00002
        clock_servo pi
        sanity_freq_limit  200000000
        ntpshm_segment 0
        #
        # Transport options
        #
        transportSpecific 0x0
        ptp_dst_mac 01:1B:19:00:00:00
        p2p_dst_mac 01:80:C2:00:00:0E
        udp_ttl 1
        udp6_scope 0x0E
        uds_address /var/run/ptp4l
        #
        # Default interface options
        #
        clock_type BC
        network_transport L2
        delay_mechanism E2E
        time_stamping hardware
        tsproc_mode filter
        delay_filter moving_median
        delay_filter_length 10
        egressLatency 0
        ingressLatency 0
        boundary_clock_jbod 0
        #
        # Clock description
        #
        productDescription ;;
        revisionData ;;
        manufacturerIdentity 00:00:00
        userDescription ;
        timeSource 0x20
  recommend:
    - profile: "grandmaster"
      priority: 4
      match:
        - nodeLabel: "node-role.kubernetes.io/$mcp"

# The grandmaster profile is provided for testing only
# It is not installed on production clusters
apiVersion: ptp.openshift.io/v1
kind: PtpConfig
metadata:
  name: grandmaster
  namespace: openshift-ptp
  annotations: {}
spec:
  profile:
    - name: "grandmaster"
      ptp4lOpts: "-2 --summary_interval -4"
      phc2sysOpts: -r -u 0 -m -w -N 8 -R 16 -s $iface_master -n 24
      ptpSchedulingPolicy: SCHED_FIFO
      ptpSchedulingPriority: 10
      ptpSettings:
        logReduce: "true"
      plugins:
        e810:
          enableDefaultConfig: false
          settings:
            LocalMaxHoldoverOffSet: 1500
            LocalHoldoverTimeout: 14400
            MaxInSpecOffset: 1500
          pins: $e810_pins
          #  "$iface_master":
          #    "U.FL2": "0 2"
          #    "U.FL1": "0 1"
          #    "SMA2": "0 2"
          #    "SMA1": "0 1"
          ublxCmds:
            - args: #ubxtool -P 29.20 -z CFG-HW-ANT_CFG_VOLTCTRL,1
                - "-P"
                - "29.20"
                - "-z"
                - "CFG-HW-ANT_CFG_VOLTCTRL,1"
              reportOutput: false
            - args: #ubxtool -P 29.20 -e GPS
                - "-P"
                - "29.20"
                - "-e"
                - "GPS"
              reportOutput: false
            - args: #ubxtool -P 29.20 -d Galileo
                - "-P"
                - "29.20"
                - "-d"
                - "Galileo"
              reportOutput: false
            - args: #ubxtool -P 29.20 -d GLONASS
                - "-P"
                - "29.20"
                - "-d"
                - "GLONASS"
              reportOutput: false
            - args: #ubxtool -P 29.20 -d BeiDou
                - "-P"
                - "29.20"
                - "-d"
                - "BeiDou"
              reportOutput: false
            - args: #ubxtool -P 29.20 -d SBAS
                - "-P"
                - "29.20"
                - "-d"
                - "SBAS"
              reportOutput: false
            - args: #ubxtool -P 29.20 -t -w 5 -v 1 -e SURVEYIN,600,50000
                - "-P"
                - "29.20"
                - "-t"
                - "-w"
                - "5"
                - "-v"
                - "1"
                - "-e"
                - "SURVEYIN,600,50000"
              reportOutput: true
            - args: #ubxtool -P 29.20 -p MON-HW
                - "-P"
                - "29.20"
                - "-p"
                - "MON-HW"
              reportOutput: true
            - args: #ubxtool -P 29.20 -p CFG-MSG,1,38,248
                - "-P"
                - "29.20"
                - "-p"
                - "CFG-MSG,1,38,248"
              reportOutput: true
      ts2phcOpts: " "
      ts2phcConf: |
        [nmea]
        ts2phc.master 1
        [global]
        use_syslog  0
        verbose 1
        logging_level 7
        ts2phc.pulsewidth 100000000
        #cat /dev/GNSS to find available serial port
        #example value of gnss_serialport is /dev/ttyGNSS_1700_0
        ts2phc.nmea_serialport $gnss_serialport
        leapfile  /usr/share/zoneinfo/leap-seconds.list
        [$iface_master]
        ts2phc.extts_polarity rising
        ts2phc.extts_correction 0
      ptp4lConf: |
        [$iface_master]
        masterOnly 1
        [$iface_master_1]
        masterOnly 1
        [$iface_master_2]
        masterOnly 1
        [$iface_master_3]
        masterOnly 1
        [global]
        #
        # Default Data Set
        #
        twoStepFlag 1
        priority1 128
        priority2 128
        domainNumber 24
        #utc_offset 37
        clockClass 6
        clockAccuracy 0x27
        offsetScaledLogVariance 0xFFFF
        free_running 0
        freq_est_interval 1
        dscp_event 0
        dscp_general 0
        dataset_comparison G.8275.x
        G.8275.defaultDS.localPriority 128
        #
        # Port Data Set
        #
        logAnnounceInterval -3
        logSyncInterval -4
        logMinDelayReqInterval -4
        logMinPdelayReqInterval 0
        announceReceiptTimeout 3
        syncReceiptTimeout 0
        delayAsymmetry 0
        fault_reset_interval -4
        neighborPropDelayThresh 20000000
        masterOnly 0
        G.8275.portDS.localPriority 128
        #
        # Run time options
        #
        assume_two_step 0
        logging_level 6
        path_trace_enabled 0
        follow_up_info 0
        hybrid_e2e 0
        inhibit_multicast_service 0
        net_sync_monitor 0
        tc_spanning_tree 0
        tx_timestamp_timeout 50
        unicast_listen 0
        unicast_master_table 0
        unicast_req_duration 3600
        use_syslog 1
        verbose 0
        summary_interval -4
        kernel_leap 1
        check_fup_sync 0
        clock_class_threshold 7
        #
        # Servo Options
        #
        pi_proportional_const 0.0
        pi_integral_const 0.0
        pi_proportional_scale 0.0
        pi_proportional_exponent -0.3
        pi_proportional_norm_max 0.7
        pi_integral_scale 0.0
        pi_integral_exponent 0.4
        pi_integral_norm_max 0.3
        step_threshold 2.0
        first_step_threshold 0.00002
        clock_servo pi
        sanity_freq_limit  200000000
        ntpshm_segment 0
        #
        # Transport options
        #
        transportSpecific 0x0
        ptp_dst_mac 01:1B:19:00:00:00
        p2p_dst_mac 01:80:C2:00:00:0E
        udp_ttl 1
        udp6_scope 0x0E
        uds_address /var/run/ptp4l
        #
        # Default interface options
        #
        clock_type BC
        network_transport L2
        delay_mechanism E2E
        time_stamping hardware
        tsproc_mode filter
        delay_filter moving_median
        delay_filter_length 10
        egressLatency 0
        ingressLatency 0
        boundary_clock_jbod 0
        #
        # Clock description
        #
        productDescription ;;
        revisionData ;;
        manufacturerIdentity 00:00:00
        userDescription ;
        timeSource 0x20
  recommend:
    - profile: "grandmaster"
      priority: 4
      match:
        - nodeLabel: "node-role.kubernetes.io/$mcp"

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다음 선택적 PtpOperatorConfig CR은 노드에 대한 PTP 이벤트 보고를 구성합니다.

권장되는 PTP 이벤트 구성( PtpOperatorConfigForEvent.yaml )

apiVersion: ptp.openshift.io/v1
kind: PtpOperatorConfig
metadata:
  name: default
  namespace: openshift-ptp
  annotations: {}
spec:
  daemonNodeSelector:
    node-role.kubernetes.io/$mcp: ""
  ptpEventConfig:
    apiVersion: $event_api_version
    enableEventPublisher: true
    transportHost: "http://ptp-event-publisher-service-NODE_NAME.openshift-ptp.svc.cluster.local:9043"

apiVersion: ptp.openshift.io/v1
kind: PtpOperatorConfig
metadata:
  name: default
  namespace: openshift-ptp
  annotations: {}
spec:
  daemonNodeSelector:
    node-role.kubernetes.io/$mcp: ""
  ptpEventConfig:
    apiVersion: $event_api_version
    enableEventPublisher: true
    transportHost: "http://ptp-event-publisher-service-NODE_NAME.openshift-ptp.svc.cluster.local:9043"

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6.8.7. 확장된 튜닝 프로필
링크 복사

DU 워크로드를 실행하는 단일 노드 OpenShift 클러스터에는 고성능 워크로드에 필요한 추가적인 성능 튜닝 구성이 필요합니다. 다음 예제 Tuned CR은 Tuned 프로필을 확장합니다.

권장되는 확장된 Tuned 프로필 구성( TunedPerformancePatch.yaml )

apiVersion: tuned.openshift.io/v1
kind: Tuned
metadata:
  name: performance-patch
  namespace: openshift-cluster-node-tuning-operator
  annotations: {}
spec:
  profile:
    - name: performance-patch
      # Please note:
      # - The 'include' line must match the associated PerformanceProfile name, following below pattern
      #   include=openshift-node-performance-${PerformanceProfile.metadata.name}
      # - When using the standard (non-realtime) kernel, remove the kernel.timer_migration override from
      #   the [sysctl] section and remove the entire section if it is empty.
      data: |
        [main]
        summary=Configuration changes profile inherited from performance created tuned
        include=openshift-node-performance-openshift-node-performance-profile
        [scheduler]
        group.ice-ptp=0:f:10:*:ice-ptp.*
        group.ice-gnss=0:f:10:*:ice-gnss.*
        group.ice-dplls=0:f:10:*:ice-dplls.*
        [service]
        service.stalld=start,enable
        service.chronyd=stop,disable
  recommend:
    - machineConfigLabels:
        machineconfiguration.openshift.io/role: "$mcp"
      priority: 19
      profile: performance-patch

apiVersion: tuned.openshift.io/v1
kind: Tuned
metadata:
  name: performance-patch
  namespace: openshift-cluster-node-tuning-operator
  annotations: {}
spec:
  profile:
    - name: performance-patch
      # Please note:
      # - The 'include' line must match the associated PerformanceProfile name, following below pattern
      #   include=openshift-node-performance-${PerformanceProfile.metadata.name}
      # - When using the standard (non-realtime) kernel, remove the kernel.timer_migration override from
      #   the [sysctl] section and remove the entire section if it is empty.
      data: |
        [main]
        summary=Configuration changes profile inherited from performance created tuned
        include=openshift-node-performance-openshift-node-performance-profile
        [scheduler]
        group.ice-ptp=0:f:10:*:ice-ptp.*
        group.ice-gnss=0:f:10:*:ice-gnss.*
        group.ice-dplls=0:f:10:*:ice-dplls.*
        [service]
        service.stalld=start,enable
        service.chronyd=stop,disable
  recommend:
    - machineConfigLabels:
        machineconfiguration.openshift.io/role: "$mcp"
      priority: 19
      profile: performance-patch

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표 6.4. 단일 노드 OpenShift 클러스터에 대한 조정된 CR 옵션
튜닝된 CR 필드	설명
`spec.profile.data`	`spec.profile.data` 에 설정한 `include` 줄은 연관된 `PerformanceProfile` CR 이름과 일치해야 합니다. 예를 들어, `include=openshift-node-performance-${PerformanceProfile.metadata.name}` .

6.8.8. SR-IOV
링크 복사

단일 루트 I/O 가상화(SR-IOV)는 일반적으로 프런트홀 및 미드홀 네트워크를 활성화하는 데 사용됩니다. 다음 YAML 예제는 단일 노드 OpenShift 클러스터에 대한 SR-IOV를 구성합니다.

참고

SriovNetwork CR의 구성은 귀하의 특정 네트워크 및 인프라 요구 사항에 따라 달라집니다.

권장되는 SriovOperatorConfig CR 구성( SriovOperatorConfig.yaml )

apiVersion: sriovnetwork.openshift.io/v1
kind: SriovOperatorConfig
metadata:
  name: default
  namespace: openshift-sriov-network-operator
  annotations: {}
spec:
  configDaemonNodeSelector:
    "node-role.kubernetes.io/$mcp": ""
  # Injector and OperatorWebhook pods can be disabled (set to "false") below
  # to reduce the number of management pods. It is recommended to start with the
  # webhook and injector pods enabled, and only disable them after verifying the
  # correctness of user manifests.
  #   If the injector is disabled, containers using sr-iov resources must explicitly assign
  #   them in the  "requests"/"limits" section of the container spec, for example:
  #    containers:
  #    - name: my-sriov-workload-container
  #      resources:
  #        limits:
  #          openshift.io/<resource_name>:  "1"
  #        requests:
  #          openshift.io/<resource_name>:  "1"
  enableInjector: false
  enableOperatorWebhook: false
  logLevel: 0

apiVersion: sriovnetwork.openshift.io/v1
kind: SriovOperatorConfig
metadata:
  name: default
  namespace: openshift-sriov-network-operator
  annotations: {}
spec:
  configDaemonNodeSelector:
    "node-role.kubernetes.io/$mcp": ""
  # Injector and OperatorWebhook pods can be disabled (set to "false") below
  # to reduce the number of management pods. It is recommended to start with the
  # webhook and injector pods enabled, and only disable them after verifying the
  # correctness of user manifests.
  #   If the injector is disabled, containers using sr-iov resources must explicitly assign
  #   them in the  "requests"/"limits" section of the container spec, for example:
  #    containers:
  #    - name: my-sriov-workload-container
  #      resources:
  #        limits:
  #          openshift.io/<resource_name>:  "1"
  #        requests:
  #          openshift.io/<resource_name>:  "1"
  enableInjector: false
  enableOperatorWebhook: false
  logLevel: 0

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표 6.5. 단일 노드 OpenShift 클러스터에 대한 SriovOperatorConfig CR 옵션
SriovOperatorConfig CR 필드	설명
`spec.enableInjector`	`Injector` Pod를 비활성화하여 관리 Pod 수를 줄입니다. `Injector` Pod를 활성화한 상태에서 시작하고, 사용자 매니페스트를 확인한 후에만 Injector Pod를 비활성화합니다. 인젝터가 비활성화된 경우 SR-IOV 리소스를 사용하는 컨테이너는 컨테이너 사양의 `요청` 및 `제한` 섹션에서 이를 명시적으로 할당해야 합니다. 예를 들면 다음과 같습니다. `containers: - name: my-sriov-workload-container resources: limits: openshift.io/<resource_name>: "1" requests: openshift.io/<resource_name>: "1"` Copy to Clipboard Toggle word wrap
`spec.enableOperatorWebhook`	관리 포드의 수를 줄이려면 `OperatorWebhook` 포드를 비활성화합니다. `OperatorWebhook` 포드를 활성화한 상태에서 시작하고, 사용자 매니페스트를 확인한 후에만 이를 비활성화합니다.

권장되는 SriovNetwork 구성( SriovNetwork.yaml )

apiVersion: sriovnetwork.openshift.io/v1
kind: SriovNetwork
metadata:
  name: ""
  namespace: openshift-sriov-network-operator
  annotations: {}
spec:
  #  resourceName: ""
  networkNamespace: openshift-sriov-network-operator
#  vlan: ""
#  spoofChk: ""
#  ipam: ""
#  linkState: ""
#  maxTxRate: ""
#  minTxRate: ""
#  vlanQoS: ""
#  trust: ""
#  capabilities: ""

apiVersion: sriovnetwork.openshift.io/v1
kind: SriovNetwork
metadata:
  name: ""
  namespace: openshift-sriov-network-operator
  annotations: {}
spec:
  #  resourceName: ""
  networkNamespace: openshift-sriov-network-operator
#  vlan: ""
#  spoofChk: ""
#  ipam: ""
#  linkState: ""
#  maxTxRate: ""
#  minTxRate: ""
#  vlanQoS: ""
#  trust: ""
#  capabilities: ""

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표 6.6. 단일 노드 OpenShift 클러스터를 위한 SriovNetwork CR 옵션
SriovNetwork CR 필드	설명
`spec.vlan`	중간 네트워크의 VLAN으로 `VLAN을` 구성합니다.

권장되는 SriovNetworkNodePolicy CR 구성( SriovNetworkNodePolicy.yaml )

apiVersion: sriovnetwork.openshift.io/v1
kind: SriovNetworkNodePolicy
metadata:
  name: $name
  namespace: openshift-sriov-network-operator
  annotations: {}
spec:
  # The attributes for Mellanox/Intel based NICs as below.
  #     deviceType: netdevice/vfio-pci
  #     isRdma: true/false
  deviceType: $deviceType
  isRdma: $isRdma
  nicSelector:
    # The exact physical function name must match the hardware used
    pfNames: [$pfNames]
  nodeSelector:
    node-role.kubernetes.io/$mcp: ""
  numVfs: $numVfs
  priority: $priority
  resourceName: $resourceName

apiVersion: sriovnetwork.openshift.io/v1
kind: SriovNetworkNodePolicy
metadata:
  name: $name
  namespace: openshift-sriov-network-operator
  annotations: {}
spec:
  # The attributes for Mellanox/Intel based NICs as below.
  #     deviceType: netdevice/vfio-pci
  #     isRdma: true/false
  deviceType: $deviceType
  isRdma: $isRdma
  nicSelector:
    # The exact physical function name must match the hardware used
    pfNames: [$pfNames]
  nodeSelector:
    node-role.kubernetes.io/$mcp: ""
  numVfs: $numVfs
  priority: $priority
  resourceName: $resourceName

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표 6.7. 단일 노드 OpenShift 클러스터에 대한 SriovNetworkPolicy CR 옵션
SriovNetworkNodePolicy CR field	설명
`spec.deviceType`	`deviceType을` `vfio-pci` 또는 `netdevice` 로 구성합니다. Mellanox NIC의 경우 `deviceType: netdevice` 및 `isRdma: true로` 설정합니다. Intel 기반 NIC의 경우 `deviceType: vfio-pci` 및 `isRdma: false를` 설정합니다.
`spec.nicSelector.pfNames`	프런트홀 네트워크에 연결된 인터페이스를 지정합니다.
`spec.numVfs`	프런트홀 네트워크의 VF 수를 지정합니다.
`spec.nicSelector.pfNames`	물리적 기능의 정확한 이름은 하드웨어와 일치해야 합니다.

권장되는 SR-IOV 커널 구성( 07-sriov-related-kernel-args-master.yaml )

# Automatically generated by extra-manifests-builder
# Do not make changes directly.
apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: master
  name: 07-sriov-related-kernel-args-master
spec:
  config:
    ignition:
      version: 3.2.0
  kernelArguments:
    - intel_iommu=on
    - iommu=pt

# Automatically generated by extra-manifests-builder
# Do not make changes directly.
apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: master
  name: 07-sriov-related-kernel-args-master
spec:
  config:
    ignition:
      version: 3.2.0
  kernelArguments:
    - intel_iommu=on
    - iommu=pt

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6.8.9. Console Operator
링크 복사

클러스터 기능 기능을 사용하여 Console Operator가 설치되는 것을 방지하세요. 노드가 중앙에서 관리되는 경우에는 필요하지 않습니다. Operator를 제거하면 애플리케이션 워크로드에 필요한 공간과 용량이 추가로 제공됩니다.

관리형 클러스터를 설치하는 동안 콘솔 운영자를 비활성화하려면 SiteConfig 사용자 정의 리소스(CR)의 spec.clusters.0.installConfigOverrides 필드에 다음을 설정합니다.

installConfigOverrides:  "{\"capabilities\":{\"baselineCapabilitySet\": \"None\" }}"

installConfigOverrides:  "{\"capabilities\":{\"baselineCapabilitySet\": \"None\" }}"

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6.8.10. Alertmanager
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DU 워크로드를 실행하는 단일 노드 OpenShift 클러스터는 OpenShift Container Platform 모니터링 구성 요소에서 소모하는 CPU 리소스를 줄여줍니다. 다음 ConfigMap 사용자 정의 리소스(CR)는 Alertmanager를 비활성화합니다.

권장되는 클러스터 모니터링 구성( ReduceMonitoringFootprint.yaml )

apiVersion: v1
kind: ConfigMap
metadata:
  name: cluster-monitoring-config
  namespace: openshift-monitoring
  annotations: {}
data:
  config.yaml: |
    alertmanagerMain:
      enabled: false
    telemeterClient:
      enabled: false
    prometheusK8s:
       retention: 24h

apiVersion: v1
kind: ConfigMap
metadata:
  name: cluster-monitoring-config
  namespace: openshift-monitoring
  annotations: {}
data:
  config.yaml: |
    alertmanagerMain:
      enabled: false
    telemeterClient:
      enabled: false
    prometheusK8s:
       retention: 24h

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6.8.11. Operator Lifecycle Manager
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분산된 단위 작업 부하를 실행하는 단일 노드 OpenShift 클러스터에는 CPU 리소스에 대한 일관된 액세스가 필요합니다. 운영자 수명 주기 관리자(OLM)는 정기적으로 운영자로부터 성능 데이터를 수집하여 CPU 사용률을 증가시킵니다. 다음 ConfigMap 사용자 정의 리소스(CR)는 OLM이 운영자 성과 데이터를 수집하는 것을 비활성화합니다.

권장되는 클러스터 OLM 구성( ReduceOLMFootprint.yaml )

apiVersion: v1
kind: ConfigMap
metadata:
  name: collect-profiles-config
  namespace: openshift-operator-lifecycle-manager
data:
  pprof-config.yaml: |
    disabled: True

apiVersion: v1
kind: ConfigMap
metadata:
  name: collect-profiles-config
  namespace: openshift-operator-lifecycle-manager
data:
  pprof-config.yaml: |
    disabled: True

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6.8.12. LVM 스토리지
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LVM(Logical Volume Manager) 스토리지를 사용하면 단일 노드 OpenShift 클러스터에서 로컬 스토리지를 동적으로 프로비저닝할 수 있습니다.

참고

단일 노드 OpenShift에 권장되는 스토리지 솔루션은 Local Storage Operator입니다. 혹은 LVM 스토리지를 사용할 수도 있지만, 이를 위해서는 추가 CPU 리소스를 할당해야 합니다.

다음 YAML 예제는 OpenShift Container Platform 애플리케이션에서 노드의 저장소를 사용할 수 있도록 구성합니다.

권장되는 LVMCluster 구성( StorageLVMCluster.yaml )

apiVersion: lvm.topolvm.io/v1alpha1
kind: LVMCluster
metadata:
  name: lvmcluster
  namespace: openshift-storage
  annotations: {}
spec: {}
#example: creating a vg1 volume group leveraging all available disks on the node
#         except the installation disk.
#  storage:
#    deviceClasses:
#    - name: vg1
#      thinPoolConfig:
#        name: thin-pool-1
#        sizePercent: 90
#        overprovisionRatio: 10

apiVersion: lvm.topolvm.io/v1alpha1
kind: LVMCluster
metadata:
  name: lvmcluster
  namespace: openshift-storage
  annotations: {}
spec: {}
#example: creating a vg1 volume group leveraging all available disks on the node
#         except the installation disk.
#  storage:
#    deviceClasses:
#    - name: vg1
#      thinPoolConfig:
#        name: thin-pool-1
#        sizePercent: 90
#        overprovisionRatio: 10

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표 6.8. 단일 노드 OpenShift 클러스터에 대한 LVMCluster CR 옵션
LVMCluster CR 필드	설명
`deviceSelector.paths`	LVM 스토리지에 사용되는 디스크를 구성합니다. 디스크를 지정하지 않으면 LVM 스토리지는 지정된 씬 풀에서 사용되지 않은 모든 디스크를 사용합니다.

6.8.13. 네트워크 진단
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DU 워크로드를 실행하는 단일 노드 OpenShift 클러스터는 이러한 포드에서 생성되는 추가 부하를 줄이기 위해 포드 간 네트워크 연결 검사가 덜 필요합니다. 다음 사용자 정의 리소스(CR)는 이러한 검사를 비활성화합니다.

권장되는 네트워크 진단 구성( DisableSnoNetworkDiag.yaml )

apiVersion: operator.openshift.io/v1
kind: Network
metadata:
  name: cluster
  annotations: {}
spec:
  disableNetworkDiagnostics: true

apiVersion: operator.openshift.io/v1
kind: Network
metadata:
  name: cluster
  annotations: {}
spec:
  disableNetworkDiagnostics: true

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맨 위로 이동

6.8. 설치 후 클러스터 구성 권장

6.8.1. Operator
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6.8.2. Operator 서브스크립션
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6.8.3. 클러스터 로깅 및 로그 전달
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6.8.4. 성과 프로필
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6.8.5. 클러스터 시간 동기화 구성
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6.8.6. PTP
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6.8.7. 확장된 튜닝 프로필
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6.8.8. SR-IOV
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6.8.9. Console Operator
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6.8.10. Alertmanager
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6.8.11. Operator Lifecycle Manager
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6.8.12. LVM 스토리지
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6.8.13. 네트워크 진단
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자세한 정보

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6.8. 설치 후 클러스터 구성 권장

6.8.1. Operator링크 복사링크가 클립보드에 복사되었습니다!

6.8.2. Operator 서브스크립션링크 복사링크가 클립보드에 복사되었습니다!

6.8.3. 클러스터 로깅 및 로그 전달링크 복사링크가 클립보드에 복사되었습니다!

6.8.4. 성과 프로필링크 복사링크가 클립보드에 복사되었습니다!

6.8.5. 클러스터 시간 동기화 구성링크 복사링크가 클립보드에 복사되었습니다!

6.8.6. PTP링크 복사링크가 클립보드에 복사되었습니다!

6.8.7. 확장된 튜닝 프로필링크 복사링크가 클립보드에 복사되었습니다!

6.8.8. SR-IOV링크 복사링크가 클립보드에 복사되었습니다!

6.8.9. Console Operator링크 복사링크가 클립보드에 복사되었습니다!

6.8.10. Alertmanager링크 복사링크가 클립보드에 복사되었습니다!

6.8.11. Operator Lifecycle Manager링크 복사링크가 클립보드에 복사되었습니다!

6.8.12. LVM 스토리지링크 복사링크가 클립보드에 복사되었습니다!

6.8.13. 네트워크 진단링크 복사링크가 클립보드에 복사되었습니다!

자세한 정보

평가판, 구매 및 판매

커뮤니티

Red Hat 문서 정보

보다 포괄적 수용을 위한 오픈 소스 용어 교체

Red Hat 소개

Theme

Red Hat legal and privacy links

Red Hat legal and privacy links

6.8.1. Operator
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6.8.2. Operator 서브스크립션
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6.8.3. 클러스터 로깅 및 로그 전달
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6.8.4. 성과 프로필
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6.8.5. 클러스터 시간 동기화 구성
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6.8.6. PTP
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6.8.7. 확장된 튜닝 프로필
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6.8.8. SR-IOV
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6.8.9. Console Operator
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6.8.10. Alertmanager
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6.8.11. Operator Lifecycle Manager
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6.8.12. LVM 스토리지
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6.8.13. 네트워크 진단
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