The Kubernetes cluster cannot mount PV or PVC cloud disks that already contain data, with the "wrong fs type, bad option, bad superblock on /dev/vdc" error message.

Cause analysis

Pods only support using raw disks (for example, vdc) and do not allow cloud disks that already have partitions configured.

Solution

Solution 1: If the existing cloud disk contains data, create a new cloud disk and copy or migrate the data from the original disk to the new one for data security.

Solution 2: If the existing cloud disk does not contain any data, delete the existing partitions and continue using the disk.

Last updated: 2026.03.31 10:58:09

Public security network record in Beijing: No. 11010802032137