diff --git a/perl-xCAT-2.0/xCAT/Yum.pm b/perl-xCAT-2.0/xCAT/Yum.pm
new file mode 100644
index 000000000..5752ac5e2
--- /dev/null
+++ b/perl-xCAT-2.0/xCAT/Yum.pm
@@ -0,0 +1,88 @@
+package xCAT::Yum;
+use DBI;
+use File::Find;
+sub localize_yumrepo {
+   my $self = shift;
+   my $installroot = shift;
+   my $distname = shift;
+   my $arch = shift;
+   my $dosqlite = 0;
+  my $repomdfile;
+  my $primaryxml;
+  my @xmlines;
+  my $dirlocation = "$installroot/$distname/$arch/";
+  find(\&check_tofix,$dirlocation);
+}
+sub check_tofix {
+   if (-d $File::Find::name and $File::Find::name =~ /\/repodata$/) {
+      fix_directory($File::Find::name);
+   }
+}
+sub fix_directory { 
+  my $dirlocation = shift;
+  my $oldsha=`/usr/bin/sha1sum $dirlocation/primary.xml.gz`;
+  my $olddbsha; 
+  $oldsha =~ s/\s.*//;
+  chomp($oldsha);
+  unlink("$dirlocation/primary.xml");
+  system("/bin/gunzip  $dirlocation/primary.xml.gz");
+  my $oldopensha=`/usr/bin/sha1sum $dirlocation/primary.xml`;
+  $oldopensha =~ s/\s+.*//;
+  chomp($oldopensha);
+  open($primaryxml,"+<$dirlocation/primary.xml");
+  while (<$primaryxml>) {
+     s!xml:base="media://[^"]*"!!g;
+     push @xmlines,$_;
+  }
+  seek($primaryxml,0,0);
+  print $primaryxml (@xmlines);
+  truncate($primaryxml,tell($primaryxml));
+  @xmlines=();
+  close($primaryxml);
+  my $newopensha=`/usr/bin/sha1sum $dirlocation/primary.xml`;
+  system("/bin/gzip $dirlocation/primary.xml");
+  my $newsha=`/usr/bin/sha1sum $dirlocation/primary.xml.gz`;
+  $newopensha =~ s/\s.*//;
+  $newsha =~ s/\s.*//;
+  chomp($newopensha);
+  chomp($newsha);
+  my  $newdbsha;
+  my $newdbopensha;
+  my $olddbopensha;
+  if (-r "$dirlocation/primary.sqlite.bz2") { 
+   $olddbsha =`/usr/bin/sha1sum $dirlocation/primary.sqlite.bz2`;
+   $olddbsha =~ s/\s.*//;
+   chomp($olddbsha);
+   unlink("$dirlocation/primary.sqlite");
+   system("/usr/bin/bunzip2  $dirlocation/primary.sqlite.bz2");
+   $olddbopensha=`/usr/bin/sha1sum $dirlocation/primary.sqlite`;
+   $olddbopensha =~ s/\s+.*//;
+   chomp($olddbopensha);
+   my $pdbh = DBI->connect("dbi:SQLite:$dirlocation/primary.sqlite","","",{AutoCommit=>1});
+   $pdbh->do('UPDATE "packages" SET "location_base" = NULL');
+   $pdbh->disconnect;
+   $newdbopensha=`/usr/bin/sha1sum $dirlocation/primary.sqlite`;
+   system("/usr/bin/bzip2 $dirlocation/primary.sqlite");
+   $newdbsha=`/usr/bin/sha1sum $dirlocation/primary.sqlite.bz2`;
+   $newdbopensha =~ s/\s.*//;
+   $newdbsha =~ s/\s.*//;
+   chomp($newdbopensha);
+   chomp($newdbsha);
+  }
+  open($primaryxml,"+<$dirlocation/repomd.xml");
+  while (<$primaryxml>) { 
+     s!xml:base="media://[^"]*"!!g;
+     s!$oldsha!$newsha!g;
+      s!$oldopensha!$newopensha!g;
+      if ($olddbsha) { s!$olddbsha!$newdbsha!g; }
+      if ($olddbsha) { s!$olddbopensha!$newdbopensha!g; }
+      push @xmlines,$_;
+  }
+  seek($primaryxml,0,0);
+  print $primaryxml (@xmlines);
+  truncate($primaryxml,tell($primaryxml));
+  close($primaryxml);
+}
+
+
+1;
diff --git a/xCAT-server-2.0/lib/xcat/plugins/centos.pm b/xCAT-server-2.0/lib/xcat/plugins/centos.pm
index b4c30d2aa..a38adb7ff 100644
--- a/xCAT-server-2.0/lib/xcat/plugins/centos.pm
+++ b/xCAT-server-2.0/lib/xcat/plugins/centos.pm
@@ -325,6 +325,7 @@ sub copycd {
   umask $omask;
   my $rc = system("cd $path; find . | nice -n 20 cpio -dump $installroot/$distname/$arch");
   chmod 0755,"$installroot/$distname/$arch";
+  xCAT::Yum->localize_yumrepo($installroot,$distname,$arch);
   if ($rc != 0) {
     $callback->({error=>"Media copy operation failed, status $rc"});
   } else {
diff --git a/xCAT-server-2.0/lib/xcat/plugins/fedora.pm b/xCAT-server-2.0/lib/xcat/plugins/fedora.pm
index 87034a050..e785d0b5a 100644
--- a/xCAT-server-2.0/lib/xcat/plugins/fedora.pm
+++ b/xCAT-server-2.0/lib/xcat/plugins/fedora.pm
@@ -3,6 +3,7 @@ package xCAT_plugin::fedora;
 use Storable qw(dclone);
 use Sys::Syslog;
 use DBI;
+use xCAT::Yum;
 use xCAT::Table;
 use xCAT::Template;
 use xCAT::Postage;
@@ -335,65 +336,7 @@ sub copycd {
   #my $rc = system("cd $path; find . | cpio -dump $installroot/$distname/$arch");
   my $rc = system("cd $path;rsync -a . $installroot/$distname/$arch/");
   chmod 0755,"$installroot/$distname/$arch";
-  my $repomdfile;
-  my $primaryxml;
-  my @xmlines;
-  my $oldsha=`/usr/bin/sha1sum $installroot/$distname/$arch/repodata/primary.xml.gz`;
-  my $olddbsha=`/usr/bin/sha1sum $installroot/$distname/$arch/repodata/primary.sqlite.bz2`;
-  $oldsha =~ s/\s.*//;
-  chomp($oldsha);
-  $olddbsha =~ s/\s.*//;
-  chomp($olddbsha);
-  unlink("$installroot/$distname/$arch/repodata/primary.sqlite");
-  unlink("$installroot/$distname/$arch/repodata/primary.xml");
-  system("/usr/bin/bunzip2  $installroot/$distname/$arch/repodata/primary.sqlite.bz2");
-  system("/bin/gunzip  $installroot/$distname/$arch/repodata/primary.xml.gz");
-  my $oldopensha=`/usr/bin/sha1sum $installroot/$distname/$arch/repodata/primary.xml`;
-  $oldopensha =~ s/\s+.*//;
-  chomp($oldopensha);
-  my $olddbopensha=`/usr/bin/sha1sum $installroot/$distname/$arch/repodata/primary.sqlite`;
-  $olddbopensha =~ s/\s+.*//;
-  chomp($olddbopensha);
-  my $pdbh = DBI->connect("dbi:SQLite:$installroot/$distname/$arch/repodata/primary.sqlite","","",{AutoCommit=>1});
-  $pdbh->do('UPDATE "packages" SET "location_base" = NULL');
-  $pdbh->disconnect;
-  open($primaryxml,"+<$installroot/$distname/$arch/repodata/primary.xml");
-  while (<$primaryxml>) {
-     s!xml:base="media://[^"]*"!!g;
-     push @xmlines,$_;
-  }
-  seek($primaryxml,0,0);
-  print $primaryxml (@xmlines);
-  truncate($primaryxml,tell($primaryxml));
-  @xmlines=();
-  close($primaryxml);
-  my $newopensha=`/usr/bin/sha1sum $installroot/$distname/$arch/repodata/primary.xml`;
-  my $newdbopensha=`/usr/bin/sha1sum $installroot/$distname/$arch/repodata/primary.sqlite`;
-  system("/bin/gzip $installroot/$distname/$arch/repodata/primary.xml");
-  system("/usr/bin/bzip2 $installroot/$distname/$arch/repodata/primary.sqlite");
-  my $newsha=`/usr/bin/sha1sum $installroot/$distname/$arch/repodata/primary.xml.gz`;
-  my $newdbsha=`/usr/bin/sha1sum $installroot/$distname/$arch/repodata/primary.sqlite.bz2`;
-  $newopensha =~ s/\s.*//;
-  $newdbopensha =~ s/\s.*//;
-  $newsha =~ s/\s.*//;
-  $newdbsha =~ s/\s.*//;
-  chomp($newopensha);
-  chomp($newdbopensha);
-  chomp($newsha);
-  chomp($newdbsha);
-  open($primaryxml,"+<$installroot/$distname/$arch/repodata/repomd.xml");
-  while (<$primaryxml>) { 
-     s!xml:base="media://[^"]*"!!g;
-     s!$oldsha!$newsha!g;
-     s!$oldopensha!$newopensha!g;
-     s!$olddbsha!$newdbsha!g;
-     s!$olddbopensha!$newdbopensha!g;
-     push @xmlines,$_;
-  }
-  seek($primaryxml,0,0);
-  print $primaryxml (@xmlines);
-  truncate($primaryxml,tell($primaryxml));
-  close($primaryxml);
+  xCAT::Yum->localize_yumrepo($installroot,$distname,$arch);
   if ($rc != 0) {
     $callback->({error=>"Media copy operation failed, status $rc"});
   } else {
diff --git a/xCAT-server-2.0/lib/xcat/plugins/rhel.pm b/xCAT-server-2.0/lib/xcat/plugins/rhel.pm
index 3bc33b67b..6d56aeb17 100644
--- a/xCAT-server-2.0/lib/xcat/plugins/rhel.pm
+++ b/xCAT-server-2.0/lib/xcat/plugins/rhel.pm
@@ -342,6 +342,7 @@ sub copycd {
   umask $omask;
   my $rc = system("cd $path; find . | cpio -dump $installroot/$distname/$arch");
   chmod 0755,"$installroot/$distname/$arch";
+  xCAT::Yum->localize_yumrepo($installroot,$distname,$arch);
   if ($rc != 0) {
     $callback->({error=>"Media copy operation failed, status $rc"});
   } else {