better logging for volume growth

weed/server/master_grpc_server_assign.go

@@ -93,10 +93,11 @@ func (ms *MasterServer) Assign(ctx context.Context, req *master_pb.AssignRequest
 			ms.volumeGrowthRequestChan <- &topology.VolumeGrowRequest{
 				Option: option,
 				Count:  req.WritableVolumeCount,
+				Reason: "grpc assign",
 			}
 		}
 		if err != nil {
-			glog.V(0).Infof("assign %v %v: %v", req, option.String(), err)
+			glog.V(1).Infof("assign %v %v: %v", req, option.String(), err)
 			stats.MasterPickForWriteErrorCounter.Inc()
 			lastErr = err
 			time.Sleep(200 * time.Millisecond)
@@ -128,5 +129,8 @@ func (ms *MasterServer) Assign(ctx context.Context, req *master_pb.AssignRequest
 			Replicas: replicas,
 		}, nil
 	}
+	if lastErr != nil {
+		glog.V(0).Infof("assign %v %v: %v", req, option.String(), lastErr)
+	}
 	return nil, lastErr
 }

weed/server/master_grpc_server_volume.go

@@ -51,6 +51,7 @@ func (ms *MasterServer) ProcessGrowRequest() {
 					ms.volumeGrowthRequestChan <- &topology.VolumeGrowRequest{
 						Option: vlc.ToGrowOption(),
 						Count:  vl.GetLastGrowCount(),
+						Reason: "collection autogrow",
 					}
 				} else {
 					for _, dc := range dcs {
@@ -62,6 +63,7 @@ func (ms *MasterServer) ProcessGrowRequest() {
 								Option: volumeGrowOption,
 								Count:  vl.GetLastGrowCount(),
 								Force:  true,
+								Reason: "per-dc autogrow",
 							}
 						}
 					}
@@ -108,6 +110,7 @@ func (ms *MasterServer) ProcessGrowRequest() {
 
 			filter.Store(req, nil)
 			// we have lock called inside vg
+			glog.V(0).Infof("volume grow %+v", req)
 			go func(req *topology.VolumeGrowRequest, vl *topology.VolumeLayout) {
 				ms.DoAutomaticVolumeGrow(req)
 				vl.DoneGrowRequest()

weed/server/master_server_handlers.go

@@ -151,6 +151,7 @@ func (ms *MasterServer) dirAssignHandler(w http.ResponseWriter, r *http.Request)
 			ms.volumeGrowthRequestChan <- &topology.VolumeGrowRequest{
 				Option: option,
 				Count:  uint32(writableVolumeCount),
+				Reason: "http assign",
 			}
 		}
 		if err != nil {

weed/topology/volume_growth.go

@@ -34,7 +34,7 @@ type VolumeGrowRequest struct {
 }
 
 func (vg *VolumeGrowRequest) Equals(req *VolumeGrowRequest) bool {
-	return reflect.DeepEqual(existingReq.Option, req.Option) && vg.Count == req.Count
+	return reflect.DeepEqual(vg.Option, req.Option) && vg.Count == req.Count && vg.Force == req.Force
 }
 
 type volumeGrowthStrategy struct {

weed/topology/volume_layout.go

@@ -301,7 +301,7 @@ func (vl *VolumeLayout) PickForWrite(count uint64, option *VolumeGrowOption) (vi
 
 	lenWriters := len(vl.writables)
 	if lenWriters <= 0 {
-		return 0, 0, nil, true, fmt.Errorf("%s in volume layout", noWritableVolumes)
+		return 0, 0, nil, true, fmt.Errorf("%s", noWritableVolumes)
 	}
 	if option.DataCenter == "" && option.Rack == "" && option.DataNode == "" {
 		vid := vl.writables[rand.Intn(lenWriters)]