9.2. 实时迁移限制和超时

应用实时迁移限制和超时，以防迁移过程使集群不堪重负。通过编辑 kubevirt-config 配置文件来配置这些设置。

9.2.1. 配置实时迁移限制和超时

通过向 kubevirt-config 配置文件添加更新的 key:value 字段来为集群配置实时迁移限制和超时，该文件位于 openshift-cnv 命名空间中。

流程

  • 编辑 kubevirt-config 配置文件并添加必要的实时迁移参数。以下示例显示默认值： 

    $ oc edit configmap kubevirt-config -n openshift-cnv

    配置文件示例

    apiVersion: v1
data:
  default-network-interface: masquerade
  feature-gates: DataVolumes,SRIOV,LiveMigration,CPUManager,CPUNodeDiscovery,Sidecar,Snapshot
  migrations: |-
    parallelMigrationsPerCluster: "5"
    parallelOutboundMigrationsPerNode: "2"
    bandwidthPerMigration: "64Mi"
    completionTimeoutPerGiB: "800"
    progressTimeout: "150"
  machine-type: pc-q35-rhel8.3.0
  selinuxLauncherType: virt_launcher.process
  smbios: |-
    Family: Red Hat
    Product: Container-native virtualization
    Manufacturer: Red Hat
    Sku: 2.6.0
    Version: 2.6.0
kind: ConfigMap
metadata:
  creationTimestamp: "2021-03-26T18:01:04Z"
  labels:
    app: kubevirt-hyperconverged
  name: kubevirt-config
  namespace: openshift-cnv
  resourceVersion: "15371295"
  selfLink: /api/v1/namespaces/openshift-cnv/configmaps/kubevirt-config
  uid: <uuid>