centos lvdisplay mkfs.xfs -n ftype=1 /dev/mapper/centos-docker mkdir -p /var/lib/docker mount /dev/mapper/centos-docker /var/lib/docker echo "/dev/mapper/centos-docker /var/lib/docker xfs defaults defaults 0 0" >> /etc/fstab xfs_growfs /dev/mapper/centos-docker df –Th A2. 创建 k8s-node1, k8s-node2, k8s-node3 内存：16GB, 系统盘：40GB，docker 数据盘：40GB，ceph 数据盘：200GB 【注】所有节点(k8s-master, k8s-node1, k8s-node2 Step5. 关闭 swap 分区 swapoff -a && sysctl -w vm.swappiness=0 //设置 swap 开机不启动 vi /etc/fstab #/dev/mapper/centos-swap swap swap defaults 0 0 Step6. 配置 ulimt ulimit -SHn