diff --git a/xCAT-server-2.0/lib/xcat/plugins/ipmi.pm b/xCAT-server-2.0/lib/xcat/plugins/ipmi.pm
index fabec9f9f..b4034144e 100644
--- a/xCAT-server-2.0/lib/xcat/plugins/ipmi.pm
+++ b/xCAT-server-2.0/lib/xcat/plugins/ipmi.pm
@@ -4316,6 +4316,40 @@ sub loadsdrcache {
 }
 
 
+sub preprocess_request { 
+  my $request = shift;
+  my @requests;
+  my %servicenodehash;
+  my %noservicenodehash;
+  my $nrtab = xCAT::Table->new('noderes');
+  foreach my $node (@{$request->{node}}) {
+     my $tent  = $nrtab->getNodeAttribs($node,['servicenode']);
+     if ($tent and $tent->{servicenode}) {
+       $servicenodehash{$tent->{servicenode}}->{$node} = 1;
+     } else {
+       $noservicenodehash{$node} = 1;
+      }
+   }
+   foreach my $smaster (keys %servicenodehash) {
+  	   my $reqcopy = {%$request};
+	   $reqcopy->{'_xcatdest'} = $smaster;
+	   $reqcopy->{node} = [ keys %{$servicenodehash{$smaster}} ];
+	   push @requests,$reqcopy;
+   }
+   my $reqcopy = {%$request};
+   $reqcopy->{node} = [ keys %noservicenodehash ];
+   if ($reqcopy->{node}) {
+      push @requests,$reqcopy;
+   }
+   return \@requests;
+}
+    
+     
+
+     
+
+
+   
 sub process_request {
     my $request = shift;
     my $callback = shift;
diff --git a/xCAT-server-2.0/sbin/xcatd b/xCAT-server-2.0/sbin/xcatd
index e57e88fb9..978e1af7b 100755
--- a/xCAT-server-2.0/sbin/xcatd
+++ b/xCAT-server-2.0/sbin/xcatd
@@ -562,10 +562,16 @@ sub plugin_command {
   if ($sock) { print $sock XMLout(\%done,RootName => 'xcatresponse',NoAttr=>1); }
 }
 
-
+my $dispatch_cb;
+sub dispatch_callback {
+   my $rsp = shift;
+   delete $rsp->{serverdone};
+   $dispatch_cb->($rsp);
+}
 sub dispatch_request {
   my $req = shift;
-  my $callback = shift;
+  $dispatch_cb = shift;
+
   my $modname = shift;
   my $reqs = [];
   no strict  "refs";
@@ -591,15 +597,15 @@ sub dispatch_request {
         $ENV{XCATHOST} =  ( $_->{'_xcatdest'} =~ /:/ ? $_->{'_xcatdest'} : $_->{'_xcatdest'}.":3001" );
         eval {
         undef $_->{'_xcatdest'};
-        xCAT::Client::submit_request($_,$callback,$xcatdir."/cert/server-key.pem",$xcatdir."/cert/server-cert.pem",$xcatdir."/cert/ca.pem"); 
+        xCAT::Client::submit_request($_,\&dispatch_callback,$xcatdir."/cert/server-key.pem",$xcatdir."/cert/server-cert.pem",$xcatdir."/cert/ca.pem"); 
         };
         if ($@) {
-	   $callback->({error=>["Error dispatching command to ".$ENV{XCATHOST}.""],errorcode=>[1]}); 
+	   $dispatch_cb->({error=>["Error dispatching command to ".$ENV{XCATHOST}.""],errorcode=>[1]}); 
 	   syslog("local4|err","Error dispatching request: ".$@);
 	}
         $ENV{XCATHOST} = $oldenv;
      } else {
-        ${"xCAT_plugin::".$modname."::"}{process_request}->($_,$callback,\&do_request);
+        ${"xCAT_plugin::".$modname."::"}{process_request}->($_,$dispatch_cb,\&do_request);
      }
   }
 }