Cluster information:
Kubernetes version: 1.27.5
Cloud being used: bare-metal
Installation method: kubeadm
Host OS: ubuntu rt kernel
CNI and version: 1.25
CRI and version: containerd
Anybody tried installing Kubernetes without cgroup memory module enabled in Linux Kernel ? Generally Necessary:
- cgroup hierarchy: cgroupv2 Controllers:
- cpu: available
- cpuset: available
- io: available
- memory: missing
- pids: available
I have same requirement and facing issue with Node not ready state after all installation and could not start any pod (even a CNI).
Warning FailedNodeAllocatableEnforcement 12s (x2 over 72s) kubelet Failed to update Node Allocatable Limits [“kubepods”]: openat2 /sys/fs/cgroup/kubepods.slice/memory.max: no such file or directory