From fde179c2a2be4a4dfc811be927e48fb41b5251de Mon Sep 17 00:00:00 2001
From: jkellerer <jkellerer@users.noreply.github.com>
Date: Fri, 14 Sep 2018 11:23:08 +0200
Subject: [PATCH] Fixed #3373 - LVM: Backup failure on removed files

Fixes a problem in IsBlockDevice(localPath) which throws an exception when a path that exists in the snapshot is removed from the disk during the backup.
---
 Duplicati/Library/Snapshots/LinuxSnapshot.cs | 26 ++++++++++++++------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/Duplicati/Library/Snapshots/LinuxSnapshot.cs b/Duplicati/Library/Snapshots/LinuxSnapshot.cs
index 95e742cd8..26f853a0c 100644
--- a/Duplicati/Library/Snapshots/LinuxSnapshot.cs
+++ b/Duplicati/Library/Snapshots/LinuxSnapshot.cs
@@ -487,18 +487,28 @@ namespace Duplicati.Library.Snapshots
         /// <param name="localPath">The file or folder to examine</param>
         public override bool IsBlockDevice(string localPath)
         {
-            var n = UnixSupport.File.GetFileType(SystemIOLinux.NormalizePath(localPath));
-            switch (n)
+            try
             {
-                case UnixSupport.File.FileType.Directory:
-                case UnixSupport.File.FileType.Symlink:
-                case UnixSupport.File.FileType.File:
+                var n = UnixSupport.File.GetFileType(SystemIOLinux.NormalizePath(localPath));
+                switch (n)
+                {
+                    case UnixSupport.File.FileType.Directory:
+                    case UnixSupport.File.FileType.Symlink:
+                    case UnixSupport.File.FileType.File:
+                        return false;
+                    default:
+                        return true;
+                }
+            } 
+            catch 
+            {
+                if (!System.IO.File.Exists(SystemIOLinux.NormalizePath(localPath)))
                     return false;
-                default:
-                    return true;
+
+                throw;
             }
         }
-
+        
         /// <summary>
         /// Gets a unique hardlink target ID
         /// </summary>