diff --git a/wbackup/BackupStreamBase.cs b/wbackup/BackupStreamBase.cs
index 6cfd4f3..f32f5e5 100644
--- a/wbackup/BackupStreamBase.cs
+++ b/wbackup/BackupStreamBase.cs
@@ -91,7 +91,7 @@
         /// <summary>
         /// Threadを開始する
         /// </summary>
-        public void Start()
+        public virtual void Start()
         {
             threadInstance.Start();
 
@@ -101,7 +101,7 @@
             }
         }
 
-        public void Wait()
+        public virtual void Wait()
         {
             while (threadInstance.IsAlive)
             {
@@ -118,7 +118,7 @@
         /// <param name="data"></param>
         public void DoWork(object data)
         {
-            if (log.IsDebugEnabled) log.Error("begin thread");
+            if (log.IsDebugEnabled) log.Debug("begin thread");
 
             working = true;
             while (true)
@@ -134,8 +134,9 @@
                 // これ以上処理するデータが無いことを示す
                 if (sourceFileName == "")
                 {
-                    AddNextSource("");
                     if (log.IsDebugEnabled) log.Error("detect end of queue");
+                    AddNextSource("");
+                    OnEndStream();
                     break;
                 }
 
@@ -151,7 +152,7 @@
             }
 
             working = false;
-            if (log.IsDebugEnabled) log.Error("finish thread");
+            if (log.IsDebugEnabled) log.Debug("finish thread");
         }
 
         /// <summary>
@@ -162,5 +163,10 @@
         {
 
         }
+
+        protected virtual void OnEndStream()
+        {
+
+        }
     }
 }
diff --git a/wbackup/ParallelBackup.cs b/wbackup/ParallelBackup.cs
new file mode 100644
index 0000000..721cdcb
--- /dev/null
+++ b/wbackup/ParallelBackup.cs
@@ -0,0 +1,67 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+using System.Threading;
+
+namespace wbackup
+{
+    class ParallelBackup : BackupStreamBase
+    {
+        int archiveCount = 0;
+        List<BackupStreamBase> nextParallelStream = new List<BackupStreamBase>();
+
+        public ParallelBackup() : base(null)
+        {
+        }
+
+        public ParallelBackup(BackupStreamBase[] streamList) : base(null)
+        {
+            foreach(var stream in streamList)
+            {
+                AddNextStream(stream);
+            }
+        }
+
+        public void AddNextStream(BackupStreamBase stream)
+        {
+            nextParallelStream.Add(stream);
+        }
+
+        protected override void DoWork(string sourceFileName)
+        {
+            int archiveCountTemp = Interlocked.Increment(ref archiveCount);
+            if (log.IsDebugEnabled) log.DebugFormat("Clear {0}, {1}", archiveCountTemp, sourceFileName);
+            int parallelIndex = archiveCountTemp % nextParallelStream.Count;
+            nextParallelStream[parallelIndex].AddSource(sourceFileName);
+        }
+
+        public override void Start()
+        {
+            base.Start();
+
+            foreach (var next in nextParallelStream)
+            {
+                next.Start();
+            }
+        }
+
+        public override void Wait()
+        {
+            base.Wait();
+
+            foreach (var next in nextParallelStream)
+            {
+                next.Wait();
+            }
+        }
+
+        protected override void OnEndStream()
+        {
+            foreach (var next in nextParallelStream)
+            {
+                next.AddSource("");
+            }
+        }
+    }
+}
diff --git a/wbackup/Program.cs b/wbackup/Program.cs
index 4976f73..b72688e 100644
--- a/wbackup/Program.cs
+++ b/wbackup/Program.cs
@@ -22,7 +22,7 @@
     {
         static void Main(string[] args)
         {
-            log4net.Config.XmlConfigurator.Configure(new FileInfo(@"config\log4net.config"));
+            log4net.Config.XmlConfigurator.Configure(new FileInfo(@"log4net.config"));
             
             ILog log = LogManager.GetLogger(typeof(Program));
             if (log.IsInfoEnabled) log.Info("Application [wbackup] Start");
@@ -33,7 +33,15 @@
 
             if (param.backupMode == BackupMopde.Full)
             {
-                backupEngine = new ListingAllSourceFile(new ArchiveTarFile(param.destinationDir, new ClearArchiveFlag()));
+                //backupEngine = new ListingAllSourceFile(new ArchiveTarFile(param.destinationDir, new ClearArchiveFlag()));
+                ParallelBackup parallel = new ParallelBackup();
+                parallel.AddNextStream(new ArchiveTarFile(param.destinationDir + "-01-", new ClearArchiveFlag()));
+                parallel.AddNextStream(new ArchiveTarFile(param.destinationDir + "-02-", new ClearArchiveFlag()));
+                parallel.AddNextStream(new ArchiveTarFile(param.destinationDir + "-03-", new ClearArchiveFlag()));
+                parallel.AddNextStream(new ArchiveTarFile(param.destinationDir + "-04-", new ClearArchiveFlag()));
+                parallel.AddNextStream(new ArchiveTarFile(param.destinationDir + "-05-", new ClearArchiveFlag()));
+                parallel.AddNextStream(new ArchiveTarFile(param.destinationDir + "-06-", new ClearArchiveFlag()));
+                backupEngine = new ListingAllSourceFile(parallel);
             }
             if (param.backupMode == BackupMopde.Incremental)
             {
diff --git a/wbackup/config/log4net.config b/wbackup/config/log4net.config
deleted file mode 100644
index dbbb39b..0000000
--- a/wbackup/config/log4net.config
+++ /dev/null
@@ -1,90 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-  <log4net>
-
-    <!-- Define some output appenders -->
-
-    <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
-      <file value="D:\backup\warchive" />
-
-      <appendToFile value="true" />
-      <maxSizeRollBackups value="100" />
-      <maximumFileSize value="100MB" />
-      <rollingStyle value="composite" />
-      <staticLogFileName value="false" />
-      <datePattern value='"."yyyyMMddhhmmss".log"' />
-      
-      <layout type="log4net.Layout.PatternLayout">
-        <header value="[Header]&#13;&#10;"/>
-        <footer value="[Footer]&#13;&#10;"/>
-        <conversionPattern value="%date [%thread] %-5level %logger [%ndc] - %message%newline" />
-      </layout>
-    </appender>
-
-    <appender name="LogFileAppender" type="log4net.Appender.FileAppender" >
-      <file value="log-file.txt" />
-
-      <!-- Example using environment variables in params -->
-      <!-- <file value="${TMP}\log-file.txt" /> -->
-      <appendToFile value="true" />
-
-      <!-- An alternate output encoding can be specified -->
-      <!-- <encoding value="unicodeFFFE" /> -->
-
-      <layout type="log4net.Layout.PatternLayout">
-        <header value="[Header]&#13;&#10;"/>
-        <footer value="[Footer]&#13;&#10;"/>
-        <conversionPattern value="%date [%thread] %-5level %logger [%ndc] &lt;%property{auth}&gt; - %message%newline" />
-      </layout>
-      <!-- Alternate layout using XML
-			<layout type="log4net.Layout.XMLLayout" /> -->
-    </appender>
-
-    <appender name="MulticastAppender" type="log4net.Appender.UdpAppender" >
-      <threshold value="WARN" />
-      <remoteAddress value="224.0.0.1" />
-      <remotePort value="8080" />
-      <layout type="log4net.Layout.PatternLayout">
-        <conversionPattern value="%date [%thread] %-5level %logger [%ndc] - %message%newline" />
-      </layout>
-    </appender>
-
-    <appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender" >
-      <layout type="log4net.Layout.PatternLayout">
-        <conversionPattern value="%date [%thread] %-5level %logger [%ndc] - %message%newline" />
-      </layout>
-    </appender>
-
-    <!-- 
- 		
- 		<appender name="A" type="log4net.Appender.ForwardingAppender" >
-			<threshold value="WARN"/>
-			<appender-ref ref="ConsoleAppender" />
-		</appender>
-		
- 		<appender name="B" type="log4net.Appender.ForwardingAppender" >
- 			<filter type="log4net.Filter.LevelRangeFilter">
-				<levelMin value="DEBUG"/>
-				<levelMax value="INFO"/>
- 			</filter>
-			<appender-ref ref="ConsoleAppender" />
-		</appender> 
-		
-		-->
-
-    <!-- Setup the root category, add the appenders and set the default level -->
-
-    <root>
-      <level value="DEBUG" />
-      <appender-ref ref="RollingLogFileAppender" />
-      <appender-ref ref="ConsoleAppender" />
-    </root>
-
-    <!-- Specify the level for some specific categories -->
-
-    <logger name="wbackup.Program">
-      <level value="INFO" />
-      <!-- <appender-ref ref="ConsoleAppender" /> -->
-      <!-- <appender-ref ref="RollingLogFileAppender" /> -->
-    </logger>
-
-  </log4net>
diff --git a/wbackup/log4net.config b/wbackup/log4net.config
new file mode 100644
index 0000000..5e004d6
--- /dev/null
+++ b/wbackup/log4net.config
@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="utf-8" ?>
+  <log4net>
+
+    <!-- Define some output appenders -->
+
+    <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
+      <file value="D:\backup\warchive" />
+
+      <appendToFile value="true" />
+      <maxSizeRollBackups value="100" />
+      <maximumFileSize value="100MB" />
+      <rollingStyle value="composite" />
+      <staticLogFileName value="false" />
+      <datePattern value='"."yyyyMMddhhmmss".log"' />
+      
+      <layout type="log4net.Layout.PatternLayout">
+        <header value="[Header]&#13;&#10;"/>
+        <footer value="[Footer]&#13;&#10;"/>
+        <conversionPattern value="%date [%thread] %-5level %logger [%ndc] - %message%newline" />
+      </layout>
+    </appender>
+
+    <appender name="LogFileAppender" type="log4net.Appender.FileAppender" >
+      <file value="log-file.txt" />
+
+      <!-- Example using environment variables in params -->
+      <!-- <file value="${TMP}\log-file.txt" /> -->
+      <appendToFile value="true" />
+
+      <!-- An alternate output encoding can be specified -->
+      <!-- <encoding value="unicodeFFFE" /> -->
+
+      <layout type="log4net.Layout.PatternLayout">
+        <header value="[Header]&#13;&#10;"/>
+        <footer value="[Footer]&#13;&#10;"/>
+        <conversionPattern value="%date [%thread] %-5level %logger [%ndc] &lt;%property{auth}&gt; - %message%newline" />
+      </layout>
+      <!-- Alternate layout using XML
+			<layout type="log4net.Layout.XMLLayout" /> -->
+    </appender>
+
+    <appender name="MulticastAppender" type="log4net.Appender.UdpAppender" >
+      <threshold value="WARN" />
+      <remoteAddress value="224.0.0.1" />
+      <remotePort value="8080" />
+      <layout type="log4net.Layout.PatternLayout">
+        <conversionPattern value="%date [%thread] %-5level %logger [%ndc] - %message%newline" />
+      </layout>
+    </appender>
+
+    <appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender" >
+      <layout type="log4net.Layout.PatternLayout">
+        <conversionPattern value="%date [%thread] %-5level %logger [%ndc] - %message%newline" />
+      </layout>
+    </appender>
+
+    <!-- 
+ 		
+ 		<appender name="A" type="log4net.Appender.ForwardingAppender" >
+			<threshold value="WARN"/>
+			<appender-ref ref="ConsoleAppender" />
+		</appender>
+		
+ 		<appender name="B" type="log4net.Appender.ForwardingAppender" >
+ 			<filter type="log4net.Filter.LevelRangeFilter">
+				<levelMin value="DEBUG"/>
+				<levelMax value="INFO"/>
+ 			</filter>
+			<appender-ref ref="ConsoleAppender" />
+		</appender> 
+		
+		-->
+
+    <!-- Setup the root category, add the appenders and set the default level -->
+
+    <root>
+      <level value="INFO" />
+      <appender-ref ref="RollingLogFileAppender" />
+      <appender-ref ref="ConsoleAppender" />
+    </root>
+
+    <!-- Specify the level for some specific categories -->
+
+    <logger name="wbackup.Program">
+      <level value="INFO" />
+      <!-- <appender-ref ref="ConsoleAppender" /> -->
+      <!-- <appender-ref ref="RollingLogFileAppender" /> -->
+    </logger>
+
+  </log4net>
diff --git a/wbackup/wbackup.csproj b/wbackup/wbackup.csproj
index c7942dc..29d6f97 100644
--- a/wbackup/wbackup.csproj
+++ b/wbackup/wbackup.csproj
@@ -16,10 +16,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <None Remove="log4net.config" />
-  </ItemGroup>
-
-  <ItemGroup>
     <PackageReference Include="log4net" Version="2.0.11" />
     <PackageReference Include="System.Numerics.Vectors" Version="4.5.0" />
   </ItemGroup>
@@ -35,11 +31,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Folder Include="config\" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <None Update="config\log4net.config">
+    <None Update="log4net.config">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </None>
   </ItemGroup>