If you want to check the actual usage of the PVCs, you can do it easily with kubedf .
It requires the “jq” tool, which you can install by your package manager. (Eg.: apt install jq)
Save the script into file called kubedf and set the execute right.
chmod +x kubedfkubectl proxy is required to be running. Then you can use it.
$ ./kubedf.sh
PVC 1K-blocks Used Available Use%
mongo-pvc 5029504 329200 4683920 7%
$ ./kubedf.sh -h
PVC Size Used Avail Use%
mongo-pvc 4.8G 322M 4.5G 7%