Deleting a Storage Backend Certificate

Procedure

Run the following command to obtain information about a storage backend.

oceanctl get backend

The following is an example of the command output.

NAMESPACE     NAME         PROTOCOL    STORAGETYPE      SN                    STATUS  ONLINE  URL                 
huawei-csi    backend-1    roce        oceanstor-san    xxxxxxxxxxxxxxxxxxxx  Bound   true    https://192.168.129.157:8088   
huawei-csi    backend-2    roce        oceanstor-san    xxxxxxxxxxxxxxxxxxxx  Bound   true    https://192.168.129.158:8088

Run the following command to obtain information about the certificate of the specified storage backend.
```
oceanctl get cert -b backend-1
```
The following is an example of the command output.
```
NAMESPACE   NAME    BOUNDBACKEND    
huawei-csi  cert-1  backend-1  
```
Run the following command to delete the certificate of the specified storage backend.
```
oceanctl delete cert -b backend-1
```
Check the deletion result.
```
oceanctl get cert -b backend-1
```
The following is an example of the command output. If no cert found is displayed, the deletion is successful.
```
Error from server (NotFound): no cert found on backend backend-1 in huawei-csi namespace
```