From 8a663060640a499f8a37a7f60e3a7c5a2f95fe05 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Mon, 4 Oct 2021 23:32:07 -0700
Subject: [PATCH] calculate disk usage in case of race condition

related to https://github.com/chrislusf/seaweedfs/issues/2357
---
 weed/topology/data_node.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/weed/topology/data_node.go b/weed/topology/data_node.go
index 9f868681e..6bdbd965f 100644
--- a/weed/topology/data_node.go
+++ b/weed/topology/data_node.go
@@ -110,6 +110,9 @@ func (dn *DataNode) DeltaUpdateVolumes(newVolumes, deletedVolumes []storage.Volu
 
 	for _, v := range deletedVolumes {
 		disk := dn.getOrCreateDisk(v.DiskType)
+		if _, found := disk.volumes[v.Id]; !found {
+			continue
+		}
 		delete(disk.volumes, v.Id)
 
 		deltaDiskUsages := newDiskUsages()