From f3bb6450187146df5bc8421e9f4eb2170a59bea8 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Tue, 1 Dec 2020 23:37:49 -0800
Subject: [PATCH] file open error

---
 weed/storage/volume_vacuum.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/weed/storage/volume_vacuum.go b/weed/storage/volume_vacuum.go
index b5db37705..5884eca87 100644
--- a/weed/storage/volume_vacuum.go
+++ b/weed/storage/volume_vacuum.go
@@ -181,13 +181,13 @@ func (v *Volume) makeupDiff(newDatFileName, newIdxFileName, oldDatFileName, oldI
 
 	oldIdxFile, err := os.Open(oldIdxFileName)
 	if err != nil {
-		return err
+		return fmt.Errorf("makeupDiff open %s failed: %v", oldIdxFileName, err)
 	}
 	defer oldIdxFile.Close()
 
 	oldDatFile, err := os.Open(oldDatFileName)
 	if err != nil {
-		return err
+		return fmt.Errorf("makeupDiff open %s failed: %v", oldDatFileName, err)
 	}
 	oldDatBackend := backend.NewDiskFile(oldDatFile)
 	defer oldDatBackend.Close()