always remember the max volume id

weed/server/raft_server.go

@@ -55,7 +55,7 @@ func NewRaftServer(r *mux.Router, peers []string, httpAddr string, dataDir strin
 	if oldPeers, changed := isPeersChanged(s.dataDir, httpAddr, s.peers); changed {
 		glog.V(0).Infof("Peers Change: %v => %v", oldPeers, s.peers)
 		os.RemoveAll(path.Join(s.dataDir, "conf"))
-		os.RemoveAll(path.Join(s.dataDir, "log"))
+		// os.RemoveAll(path.Join(s.dataDir, "log"))
 		os.RemoveAll(path.Join(s.dataDir, "snapshot"))
 	}
 

weed/topology/cluster_commands.go

@@ -25,7 +25,7 @@ func (c *MaxVolumeIdCommand) Apply(server raft.Server) (interface{}, error) {
 	before := topo.GetMaxVolumeId()
 	topo.UpAdjustMaxVolumeId(c.MaxVolumeId)
 
-	glog.V(4).Infoln("max volume id", before, "==>", topo.GetMaxVolumeId())
+	glog.V(0).Infoln("max volume id", before, "==>", topo.GetMaxVolumeId())
 
 	return nil, nil
 }