This method will assign an existing credential to the current volume. The credential must have been created using the 'addNewCredential' method. The volume type must support an additional credential.
A username assigned to a different volume.
- SoftLayer_Exception_Network_Storage_AssignCredential: "Problem assigning a credential to the volume. The network storage type is not supported for credential assigning in this manner."
- SoftLayer_Exception_Network_Storage_Iscsi_EqualLogic_Version3_AssignCredential_DuplicateDesignation: "Username is already assigned to volume."
- SoftLayer_Exception_Network_Storage_Iscsi_EqualLogic_Version3_AssignCredential_ConsoleError: "A console error was encountered when trying to remove username from Iscsi volume, please contact development."