code: private void processDeleteResponse(ClientResponse response) {
          //Continue snapshotting even if a delete fails.
          setState(State.WAITING);
          if (response.getStatus() != ClientResponse.SUCCESS){
              logFailureResponse("Delete of snapshots failed", response);
              return;
          }
  
          final VoltTable results[] = response.getResults();
          final String err = SnapshotUtil.didSnapshotRequestFailWithErr(results);
          if (err != null) {
              SNAP_LOG.warn("Snapshot delete failed with failure response: " + err);
              return;
          }
      }
docs: Process a response to a request to delete snapshots.
  Always transitions to the waiting state even if the delete
  fails. This ensures the system will continue to snapshot
  until the disk is full in the event that there is an administration
  error or a bug.
  @param response