To delete ScaleIO Host and its components:
Right-click the ESM Domain Manager and select Configure ESM Credentials.
In the Configure ESM Credentials window, select the credential that you intend to delete and click Delete selected credential.
In the Delete confirmation dialog box, click Yes to confirm the deletion.
In the ESM Domain Manager, right-click the host instance which is hosting the StorageGatewayService and select Delete, to delete all the ScaleIO components discovered through this ScaleIO Gateway host.Note:
If you delete the ScaleIO Gateway Host in the IP server and then triggers discover-all in the IP server. The ScaleIO components are not deleted in ESM server, only host is deleted.