kubernetes | 常见报错解决

1. NodeNotReady#

1.1 Image garbage collection failed once#

参考地址

报错：

代码语言：javascript复制

# kubectl describe node k8s-node01

Events:
  Type    Reason                   Age   From     Message
  ----    ------                   ----  ----     -------
  Normal  Starting                 11m   kubelet  Starting kubelet.
  Normal  NodeHasSufficientMemory  11m   kubelet  Node k8s-node01 status is now: NodeHasSufficientMemory
  Normal  NodeHasNoDiskPressure    11m   kubelet  Node k8s-node01 status is now: NodeHasNoDiskPressure
  Normal  NodeHasSufficientPID     11m   kubelet  Node k8s-node01 status is now: NodeHasSufficientPID
  Normal  NodeAllocatableEnforced  11m   kubelet  Updated Node Allocatable limit across pods
  
# journalctl -u kubelet | grep garbage

Mar 06 09:50:33 k8s-node01 kubelet[45471]: E0306 09:50:33.106476   45471 kubelet.go:1343] "Image garbage collection failed once. Stats initialization may not have completed yet" err="failed to get imageFs info: unable to find data in memory cache"

解决：

1. 未部署CNI组件
2. docker镜像或容器未能正确删除导致的

代码语言：javascript复制

docker system prune
systemctl stop kubelet
systemctl stop docker
systemctl start docker
systemctl start kubelet

容器镜像服务 容器 image 部署 镜像

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