rm: cannot remove `/var/lib/kubelet/pods/5c17f0a0-845d-4cd8-a1d6-16167ca50c25/volumes/kubernetes.io~secret/coredns-token-rbscr': 장치나 자원이 동작 중

device or resource busy  pod

rm: cannot remove `/var/lib/kubelet/pods/5c17f0a0-845d-4cd8-a1d6-16167ca50c25/volumes/kubernetes.io~secret/coredns-token-rbscr': 장치나 자원이 동작 중

 

#해결 

마운트가  되어있어서 삭제가 안됐다.

#df -HT

#umount $(df -HT | grep '/var/lib/kubelet/pods' | awk '{print $7}')