Only when tailing volume, the zero-ed cookie should skip checking.

This only happens when checkCookie == false and fsync == false.

weed/server/volume_grpc_tail.go

@@ -90,7 +90,7 @@ func (vs *VolumeServer) VolumeTailReceiver(ctx context.Context, req *volume_serv
 	defer glog.V(1).Infof("receive tailing volume %d finished", v.Id)
 
 	return resp, operation.TailVolumeFromSource(req.SourceVolumeServer, vs.grpcDialOption, v.Id, req.SinceNs, int(req.IdleTimeoutSeconds), func(n *needle.Needle) error {
-		_, err := vs.store.WriteVolumeNeedle(v.Id, n, false)
+		_, err := vs.store.WriteVolumeNeedle(v.Id, n, false, false)
 		return err
 	})