From a129bda7d98bdbd8ca41c3aeb94739582686a6f1 Mon Sep 17 00:00:00 2001
From: chrislu <chris.lu@gmail.com>
Date: Wed, 16 Feb 2022 09:11:34 -0800
Subject: [PATCH] sync data first before stopping

---
 weed/storage/disk_location.go | 10 ++++++++++
 weed/storage/store.go         |  3 +++
 weed/storage/volume.go        | 15 +++++++++++++++
 3 files changed, 28 insertions(+)

diff --git a/weed/storage/disk_location.go b/weed/storage/disk_location.go
index af4ec1eb4..d618db296 100644
--- a/weed/storage/disk_location.go
+++ b/weed/storage/disk_location.go
@@ -317,6 +317,16 @@ func (l *DiskLocation) VolumesLen() int {
 	return len(l.volumes)
 }
 
+func (l *DiskLocation) SetStopping() {
+	l.volumesLock.Lock()
+	for _, v := range l.volumes {
+		v.SetStopping()
+	}
+	l.volumesLock.Unlock()
+
+	return
+}
+
 func (l *DiskLocation) Close() {
 	l.volumesLock.Lock()
 	for _, v := range l.volumes {
diff --git a/weed/storage/store.go b/weed/storage/store.go
index 8381705d6..30fe63b63 100644
--- a/weed/storage/store.go
+++ b/weed/storage/store.go
@@ -327,6 +327,9 @@ func (s *Store) CollectHeartbeat() *master_pb.Heartbeat {
 
 func (s *Store) SetStopping() {
 	s.isStopping = true
+	for _, location := range s.Locations {
+		location.SetStopping()
+	}
 }
 
 func (s *Store) Close() {
diff --git a/weed/storage/volume.go b/weed/storage/volume.go
index c6bf3e329..14bc5f22d 100644
--- a/weed/storage/volume.go
+++ b/weed/storage/volume.go
@@ -175,6 +175,21 @@ func (v *Volume) DiskType() types.DiskType {
 	return v.location.DiskType
 }
 
+func (v *Volume) SetStopping() {
+	v.dataFileAccessLock.Lock()
+	defer v.dataFileAccessLock.Unlock()
+	if v.nm != nil {
+		if err := v.nm.Sync(); err != nil {
+			glog.Warningf("Volume SetStopping fail to sync volume idx %d", v.Id)
+		}
+	}
+	if v.DataBackend != nil {
+		if err := v.DataBackend.Sync(); err != nil {
+			glog.Warningf("Volume SetStopping fail to sync volume %d", v.Id)
+		}
+	}
+}
+
 // Close cleanly shuts down this volume
 func (v *Volume) Close() {
 	v.dataFileAccessLock.Lock()