k8s平台本地数据迁移整改过程

mkdir /data
mkfs.ext4 /dev/vdc
mount /dev/vdc /data/
修改文件，
vim /etc/fstab

# 追加配置
/dev/vdc        /data   ext4    defaults        0 0

kubectl get node -A -o wide
kubectl get pod -A -o wide

vim /etc/docker/daemon.json
# 新增配置
"data-root": "/data/docker"

rsync -av /var/lib/docker/ /data/containerd/
systemctl daemon-reload
systemctl start docker
systemctl status docker

cp /etc/containerd/config.toml /etc/containerd/config.toml.bak
systemctl stop containerd
rsync -av /var/lib/containerd/ /data/containerd/
vim /etc/containerd/config.toml
# 修改
root = "/data/containerd"

systemctl daemon-reload
systemctl start containerd
systemctl status containerd

mkdir /data/kubelet
systemctl stop kubelet
cp /etc/systemd/system/kubelet.service.d/10-kubeadm.conf /etc/systemd/system/kubelet.service.d/10-kubeadm.conf.backup
rsync -av /var/lib/kubelet/ /data/kubelet/
vim /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
# 在最后一行ExecStart=尾部追加配置
 --root-dir=/data/kubelet

systemctl daemon-reload
systemctl start kubelet
systemctl start kubelet

kubectl get node -A -o wide
kubectl get pod -A -o wide

rm -rf /var/lib/containerd/ /var/lib/docker /var/lib/kubelet/