diff --git a/orderer/consensus/consensus.go b/orderer/consensus/consensus.go
index 18f214973bd..905a5a2adbb 100644
--- a/orderer/consensus/consensus.go
+++ b/orderer/consensus/consensus.go
@@ -120,6 +120,9 @@ type ConsenterSupport interface {
 	// WriteBlock commits a block to the ledger.
 	WriteBlock(block *cb.Block, encodedMetadataValue []byte)
 
+	// WriteBlockSync commits a block to the ledger.
+	WriteBlockSync(block *cb.Block, encodedMetadataValue []byte)
+
 	// WriteConfigBlock commits a block to the ledger, and applies the config update inside.
 	WriteConfigBlock(block *cb.Block, encodedMetadataValue []byte)
 
diff --git a/orderer/consensus/mocks/mock_consenter_support.go b/orderer/consensus/mocks/mock_consenter_support.go
index 3463f09383d..03c7fad799d 100644
--- a/orderer/consensus/mocks/mock_consenter_support.go
+++ b/orderer/consensus/mocks/mock_consenter_support.go
@@ -201,6 +201,12 @@ type FakeConsenterSupport struct {
 		arg1 *common.Block
 		arg2 []byte
 	}
+	WriteBlockSyncStub        func(*common.Block, []byte)
+	writeBlockSyncMutex       sync.RWMutex
+	writeBlockSyncArgsForCall []struct {
+		arg1 *common.Block
+		arg2 []byte
+	}
 	WriteConfigBlockStub        func(*common.Block, []byte)
 	writeConfigBlockMutex       sync.RWMutex
 	writeConfigBlockArgsForCall []struct {
@@ -1192,6 +1198,44 @@ func (fake *FakeConsenterSupport) WriteBlockArgsForCall(i int) (*common.Block, [
 	return argsForCall.arg1, argsForCall.arg2
 }
 
+func (fake *FakeConsenterSupport) WriteBlockSync(arg1 *common.Block, arg2 []byte) {
+	var arg2Copy []byte
+	if arg2 != nil {
+		arg2Copy = make([]byte, len(arg2))
+		copy(arg2Copy, arg2)
+	}
+	fake.writeBlockSyncMutex.Lock()
+	fake.writeBlockSyncArgsForCall = append(fake.writeBlockSyncArgsForCall, struct {
+		arg1 *common.Block
+		arg2 []byte
+	}{arg1, arg2Copy})
+	stub := fake.WriteBlockSyncStub
+	fake.recordInvocation("WriteBlockSync", []interface{}{arg1, arg2Copy})
+	fake.writeBlockSyncMutex.Unlock()
+	if stub != nil {
+		fake.WriteBlockSyncStub(arg1, arg2)
+	}
+}
+
+func (fake *FakeConsenterSupport) WriteBlockSyncCallCount() int {
+	fake.writeBlockSyncMutex.RLock()
+	defer fake.writeBlockSyncMutex.RUnlock()
+	return len(fake.writeBlockSyncArgsForCall)
+}
+
+func (fake *FakeConsenterSupport) WriteBlockSyncCalls(stub func(*common.Block, []byte)) {
+	fake.writeBlockSyncMutex.Lock()
+	defer fake.writeBlockSyncMutex.Unlock()
+	fake.WriteBlockSyncStub = stub
+}
+
+func (fake *FakeConsenterSupport) WriteBlockSyncArgsForCall(i int) (*common.Block, []byte) {
+	fake.writeBlockSyncMutex.RLock()
+	defer fake.writeBlockSyncMutex.RUnlock()
+	argsForCall := fake.writeBlockSyncArgsForCall[i]
+	return argsForCall.arg1, argsForCall.arg2
+}
+
 func (fake *FakeConsenterSupport) WriteConfigBlock(arg1 *common.Block, arg2 []byte) {
 	var arg2Copy []byte
 	if arg2 != nil {
@@ -1267,6 +1311,8 @@ func (fake *FakeConsenterSupport) Invocations() map[string][][]interface{} {
 	defer fake.signatureVerifierMutex.RUnlock()
 	fake.writeBlockMutex.RLock()
 	defer fake.writeBlockMutex.RUnlock()
+	fake.writeBlockSyncMutex.RLock()
+	defer fake.writeBlockSyncMutex.RUnlock()
 	fake.writeConfigBlockMutex.RLock()
 	defer fake.writeConfigBlockMutex.RUnlock()
 	copiedInvocations := map[string][][]interface{}{}
diff --git a/orderer/consensus/smartbft/synchronizer.go b/orderer/consensus/smartbft/synchronizer.go
index 4775be13928..31079c175cd 100644
--- a/orderer/consensus/smartbft/synchronizer.go
+++ b/orderer/consensus/smartbft/synchronizer.go
@@ -125,7 +125,7 @@ func (s *Synchronizer) synchronize() (*types.Decision, error) {
 		if protoutil.IsConfigBlock(block) {
 			s.Support.WriteConfigBlock(block, nil)
 		} else {
-			s.Support.WriteBlock(block, nil)
+			s.Support.WriteBlockSync(block, nil)
 		}
 		s.Logger.Debugf("Fetched and committed block [%d] from cluster", seq)
 		lastPulledBlock = block
@@ -141,9 +141,8 @@ func (s *Synchronizer) synchronize() (*types.Decision, error) {
 		return nil, errors.Errorf("failed pulling block %d", seq)
 	}
 
-	startSeq := startHeight
 	s.Logger.Infof("Finished synchronizing with cluster, fetched %d blocks, starting from block [%d], up until and including block [%d]",
-		blocksFetched, startSeq, lastPulledBlock.Header.Number)
+		blocksFetched, startHeight, lastPulledBlock.Header.Number)
 
 	viewMetadata, lastConfigSqn := s.getViewMetadataLastConfigSqnFromBlock(lastPulledBlock)
 
diff --git a/orderer/consensus/smartbft/synchronizer_bft.go b/orderer/consensus/smartbft/synchronizer_bft.go
index b0476e20d9c..a9291c9fe42 100644
--- a/orderer/consensus/smartbft/synchronizer_bft.go
+++ b/orderer/consensus/smartbft/synchronizer_bft.go
@@ -258,7 +258,7 @@ func (s *BFTSynchronizer) getBlocksFromSyncBuffer(startHeight, targetHeight uint
 			s.Support.WriteConfigBlock(block, nil)
 			s.Logger.Debugf("Fetched and committed config block [%d] from cluster", seq)
 		} else {
-			s.Support.WriteBlock(block, nil)
+			s.Support.WriteBlockSync(block, nil)
 			s.Logger.Debugf("Fetched and committed block [%d] from cluster", seq)
 		}
 		lastPulledBlock = block
@@ -277,9 +277,8 @@ func (s *BFTSynchronizer) getBlocksFromSyncBuffer(startHeight, targetHeight uint
 		return nil, errors.Errorf("failed pulling block %d", seq)
 	}
 
-	startSeq := startHeight
 	s.Logger.Infof("Finished synchronizing with cluster, fetched %d blocks, starting from block [%d], up until and including block [%d]",
-		blocksFetched, startSeq, lastPulledBlock.Header.Number)
+		blocksFetched, startHeight, lastPulledBlock.Header.Number)
 
 	return lastPulledBlock, nil
 }
diff --git a/orderer/mocks/common/multichannel/multichannel.go b/orderer/mocks/common/multichannel/multichannel.go
index 27a5cb904be..2a202e51736 100644
--- a/orderer/mocks/common/multichannel/multichannel.go
+++ b/orderer/mocks/common/multichannel/multichannel.go
@@ -110,6 +110,11 @@ func (mcs *ConsenterSupport) WriteBlock(block *cb.Block, encodedMetadataValue []
 	mcs.Append(block)
 }
 
+// WriteBlock writes data to the Blocks channel
+func (mcs *ConsenterSupport) WriteBlockSync(block *cb.Block, encodedMetadataValue []byte) {
+	mcs.WriteBlock(block, encodedMetadataValue)
+}
+
 // WriteConfigBlock calls WriteBlock
 func (mcs *ConsenterSupport) WriteConfigBlock(block *cb.Block, encodedMetadataValue []byte) {
 	mcs.WriteBlock(block, encodedMetadataValue)