From c004d8b9078d7cf34454013a9236635f862149b0 Mon Sep 17 00:00:00 2001
From: Konstantin Lebedev <9497591+kmlebedev@users.noreply.github.com>
Date: Mon, 18 Apr 2022 12:26:20 +0500
Subject: [PATCH] avoid no such cpd or cpx file
 https://github.com/chrislusf/seaweedfs/issues/2928

---
 weed/storage/volume_vacuum.go | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/weed/storage/volume_vacuum.go b/weed/storage/volume_vacuum.go
index 06de181b5..c729d31e5 100644
--- a/weed/storage/volume_vacuum.go
+++ b/weed/storage/volume_vacuum.go
@@ -135,11 +135,18 @@ func (v *Volume) CommitCompact() error {
 			}
 		}
 		var e error
-		if e = os.Rename(v.FileName(".cpd"), v.FileName(".dat")); e != nil {
-			return fmt.Errorf("rename %s: %v", v.FileName(".cpd"), e)
+		cpdFile := v.FileName(".cpd")
+		if _, err := os.Stat(cpdFile); err == nil {
+			if e = os.Rename(cpdFile, v.FileName(".dat")); e != nil {
+				return fmt.Errorf("rename %s: %v", v.FileName(".cpd"), e)
+			}
+
 		}
-		if e = os.Rename(v.FileName(".cpx"), v.FileName(".idx")); e != nil {
-			return fmt.Errorf("rename %s: %v", v.FileName(".cpx"), e)
+		cpxFile := v.FileName(".cpx")
+		if _, err := os.Stat(cpdFile); err == nil {
+			if e = os.Rename(cpxFile, v.FileName(".idx")); e != nil {
+				return fmt.Errorf("rename %s: %v", v.FileName(".cpx"), e)
+			}
 		}
 	}