5 files changed, 4 insertions, 64 deletions
diff --git a/weed/topology/data_node.go b/weed/topology/data_node.go
index b7f039559..0ef8ae14e 100644
--- a/weed/topology/data_node.go
+++ b/weed/topology/data_node.go
@@ -15,7 +15,6 @@ type DataNode struct {
 	Port      int
 	PublicUrl string
 	LastSeen  int64 // unix time in seconds
-	Dead      bool
 }
 
 func NewDataNode(id string) *DataNode {
@@ -30,7 +29,7 @@ func NewDataNode(id string) *DataNode {
 func (dn *DataNode) String() string {
 	dn.RLock()
 	defer dn.RUnlock()
-	return fmt.Sprintf("Node:%s, volumes:%v, Ip:%s, Port:%d, PublicUrl:%s, Dead:%v", dn.NodeImpl.String(), dn.volumes, dn.Ip, dn.Port, dn.PublicUrl, dn.Dead)
+	return fmt.Sprintf("Node:%s, volumes:%v, Ip:%s, Port:%d, PublicUrl:%s", dn.NodeImpl.String(), dn.volumes, dn.Ip, dn.Port, dn.PublicUrl)
 }
 
 func (dn *DataNode) AddOrUpdateVolume(v storage.VolumeInfo) {
diff --git a/weed/topology/node.go b/weed/topology/node.go
index 4ce35f4b0..7383f9576 100644
--- a/weed/topology/node.go
+++ b/weed/topology/node.go
@@ -242,12 +242,6 @@ func (n *NodeImpl) CollectDeadNodeAndFullVolumes(freshThreshHold int64, volumeSi
 	if n.IsRack() {
 		for _, c := range n.Children() {
 			dn := c.(*DataNode) //can not cast n to DataNode
-			if dn.LastSeen < freshThreshHold {
-				if !dn.Dead {
-					dn.Dead = true
-					n.GetTopology().chanDeadDataNodes <- dn
-				}
-			}
 			for _, v := range dn.GetVolumes() {
 				if uint64(v.Size) >= volumeSizeLimit {
 					//fmt.Println("volume",v.Id,"size",v.Size,">",volumeSizeLimit)
diff --git a/weed/topology/rack.go b/weed/topology/rack.go
index 1ca2f8de8..a48d64323 100644
--- a/weed/topology/rack.go
+++ b/weed/topology/rack.go
@@ -32,11 +32,6 @@ func (r *Rack) GetOrCreateDataNode(ip string, port int, publicUrl string, maxVol
 		dn := c.(*DataNode)
 		if dn.MatchLocation(ip, port) {
 			dn.LastSeen = time.Now().Unix()
-			if dn.Dead {
-				dn.Dead = false
-				r.GetTopology().chanRecoveredDataNodes <- dn
-				dn.UpAdjustMaxVolumeCountDelta(maxVolumeCount - dn.maxVolumeCount)
-			}
 			return dn
 		}
 	}
diff --git a/weed/topology/topology.go b/weed/topology/topology.go
index 04b500053..ffd32ae21 100644
--- a/weed/topology/topology.go
+++ b/weed/topology/topology.go
@@ -7,7 +7,6 @@ import (
 
 	"github.com/chrislusf/raft"
 	"github.com/chrislusf/seaweedfs/weed/glog"
-	"github.com/chrislusf/seaweedfs/weed/operation"
 	"github.com/chrislusf/seaweedfs/weed/sequence"
 	"github.com/chrislusf/seaweedfs/weed/storage"
 	"github.com/chrislusf/seaweedfs/weed/util"
@@ -24,11 +23,9 @@ type Topology struct {
 
 	Sequence sequence.Sequencer
 
-	chanDeadDataNodes      chan *DataNode
-	chanRecoveredDataNodes chan *DataNode
-	chanFullVolumes        chan storage.VolumeInfo
+	chanFullVolumes chan storage.VolumeInfo
 
-	configuration *Configuration
+	Configuration *Configuration
 
 	RaftServer raft.Server
 }
@@ -45,8 +42,6 @@ func NewTopology(id string, confFile string, seq sequence.Sequencer, volumeSizeL
 
 	t.Sequence = seq
 
-	t.chanDeadDataNodes = make(chan *DataNode)
-	t.chanRecoveredDataNodes = make(chan *DataNode)
 	t.chanFullVolumes = make(chan storage.VolumeInfo)
 
 	err := t.loadConfiguration(confFile)
@@ -80,7 +75,7 @@ func (t *Topology) Leader() (string, error) {
 func (t *Topology) loadConfiguration(configurationFile string) error {
 	b, e := ioutil.ReadFile(configurationFile)
 	if e == nil {
-		t.configuration, e = NewConfiguration(b)
+		t.Configuration, e = NewConfiguration(b)
 		return e
 	}
 	glog.V(0).Infoln("Using default configurations.")
@@ -147,35 +142,6 @@ func (t *Topology) UnRegisterVolumeLayout(v storage.VolumeInfo, dn *DataNode) {
 	t.GetVolumeLayout(v.Collection, v.ReplicaPlacement, v.Ttl).UnRegisterVolume(&v, dn)
 }
 
-func (t *Topology) ProcessJoinMessage(joinMessage *operation.JoinMessage) {
-	t.Sequence.SetMax(*joinMessage.MaxFileKey)
-	dcName, rackName := t.configuration.Locate(*joinMessage.Ip, *joinMessage.DataCenter, *joinMessage.Rack)
-	dc := t.GetOrCreateDataCenter(dcName)
-	rack := dc.GetOrCreateRack(rackName)
-	dn := rack.FindDataNode(*joinMessage.Ip, int(*joinMessage.Port))
-	if *joinMessage.IsInit && dn != nil {
-		t.UnRegisterDataNode(dn)
-	}
-	dn = rack.GetOrCreateDataNode(*joinMessage.Ip,
-		int(*joinMessage.Port), *joinMessage.PublicUrl,
-		int(*joinMessage.MaxVolumeCount))
-	var volumeInfos []storage.VolumeInfo
-	for _, v := range joinMessage.Volumes {
-		if vi, err := storage.NewVolumeInfo(v); err == nil {
-			volumeInfos = append(volumeInfos, vi)
-		} else {
-			glog.V(0).Infoln("Fail to convert joined volume information:", err.Error())
-		}
-	}
-	deletedVolumes := dn.UpdateVolumes(volumeInfos)
-	for _, v := range volumeInfos {
-		t.RegisterVolumeLayout(v, dn)
-	}
-	for _, v := range deletedVolumes {
-		t.UnRegisterVolumeLayout(v, dn)
-	}
-}
-
 func (t *Topology) GetOrCreateDataCenter(dcName string) *DataCenter {
 	for _, c := range t.Children() {
 		dc := c.(*DataCenter)
diff --git a/weed/topology/topology_event_handling.go b/weed/topology/topology_event_handling.go
index 476aaf4d8..40019fdcd 100644
--- a/weed/topology/topology_event_handling.go
+++ b/weed/topology/topology_event_handling.go
@@ -31,12 +31,6 @@ func (t *Topology) StartRefreshWritableVolumes(garbageThreshold string) {
 			select {
 			case v := <-t.chanFullVolumes:
 				t.SetVolumeCapacityFull(v)
-			case dn := <-t.chanRecoveredDataNodes:
-				t.RegisterRecoveredDataNode(dn)
-				glog.V(0).Infoln("Recovered DataNode: %v", dn)
-			case dn := <-t.chanDeadDataNodes:
-				t.UnRegisterDataNode(dn)
-				glog.V(0).Infof("Dead DataNode: %v", dn)
 			}
 		}
 	}()
@@ -64,11 +58,3 @@ func (t *Topology) UnRegisterDataNode(dn *DataNode) {
 	dn.UpAdjustMaxVolumeCountDelta(-dn.GetMaxVolumeCount())
 	dn.Parent().UnlinkChildNode(dn.Id())
 }
-func (t *Topology) RegisterRecoveredDataNode(dn *DataNode) {
-	for _, v := range dn.GetVolumes() {
-		vl := t.GetVolumeLayout(v.Collection, v.ReplicaPlacement, v.Ttl)
-		if vl.isWritable(&v) {
-			vl.SetVolumeAvailable(dn, v.Id)
-		}
-	}
-}