This page provides a comprehensive overview of common Backup for GKE error codes that you might encounter during backup operations. It includes each error code number, error code message, and a link to specific troubleshooting instructions to help you resolve them. This page is intended for use when a backup operation fails and you receive an error code. Use the following table to identify the error code you received and its corresponding troubleshooting steps.
| Error code number | Error code message | Link to troubleshooting instructions |
|---|---|---|
| Failed to backup PVC - Missing IAM binding for tenant project | For instructions about how to resolve this issue, see Failure to backup PersistentVolumeClaim due to missing Identity and Access Management binding for tenant project. |
| Failed to backup PVC - Org policy constraint violation while creating snapshot | For instructions about how to resolve this issue, see Failure to back up PersistentVolumeClaim due to organization policy constraint violation during snapshot creation. |
| Failed to backup PVC - Disk referenced by PVC does not exist | For instructions about how to resolve this issue, see Failure to back up PersistentVolumeClaim due to nonexistent disk. |
| Failed to backup PVC - Missing IAM binding for Backup for GKE service agent | For instructions about how to resolve this issue, see Failure to back up PersistentVolumeClaim due to missing Identity and Access Management binding for Backup for GKE service agent. |
| Failed to backup PVC - Missing IAM binding - agent service account (KCP) | For instructions about how to resolve this issue, see Failure to back up PersistentVolumeClaim due to missing Identity and Access Management binding for agent service account (KCP). |
| PersistentVolumeClaims are bound to PersistentVolumes of unsupported types and cannot be backed up. | For instructions about how to resolve this issue, see Error 100020101: Failure to back up PersistentVolumeClaim - PersistentVolumeClaim bound to an supported PersistentVolume type. |
| Failed to backup Custom Resource Definition (CRD) due to unsupported v1beta1 API version | For instructions about how to resolve this issue, see Error 100020102: Failure to backup CRD due to unsupported v1beta1 API version. |
| Failed to backup PVC - PVC not bound to a PersistentVolume | For instructions about how to resolve this issue, see Error 100020104: Failure to back up PersistentVolumeClaim - PersistentVolumeClaim not bound to a PersistentVolume. |
| Namespace not found | For instructions about how to resolve this issue, see Error 100040102: Namespace not found. |