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[Bug]: Kubelet fails to start on Ubuntu 22.04 - Failed to start ContainerManager failed to get rootfs info: unable to find data in memory cache about kubeasy HOT 1 CLOSED

buxiaomo avatar buxiaomo commented on July 27, 2024
[Bug]: Kubelet fails to start on Ubuntu 22.04 - Failed to start ContainerManager failed to get rootfs info: unable to find data in memory cache

from kubeasy.

Comments (1)

buxiaomo avatar buxiaomo commented on July 27, 2024

k8s < 1.19 do not support Cgroups v2

run the stat -fc %T /sys/fs/cgroup/ command on the node:

For cgroup v2, the output is cgroup2fs.
For cgroup v1, the output is tmpfs.

Try to add systemd.unified_cgroup_hierarchy=0 to /etc/default/grub your boot options and see what Kubelet does

GRUB_CMDLINE_LINUX="cgroup_enable=memory swapaccount=1 systemd.unified_cgroup_hierarchy=0"

update-grub2

from kubeasy.

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