diff --git a/xCAT-server/lib/xcat/plugins/xdsh.pm b/xCAT-server/lib/xcat/plugins/xdsh.pm
index 40894545b..830fe961b 100644
--- a/xCAT-server/lib/xcat/plugins/xdsh.pm
+++ b/xCAT-server/lib/xcat/plugins/xdsh.pm
@@ -224,7 +224,19 @@ sub preprocess_request
                 {
 
                     # if it is a good SN, one ready to service the nodes
-                    if (grep(/$snkey/, @::good_SN))
+                    # split if a pool
+                    # if one in the pool is good, send the command to the
+                    # daemon
+                    my @sn_list = split ',', $snkey;
+                    my $goodsn=0;
+                    foreach my $sn (@sn_list) {
+                      if (grep(/$sn/, @::good_SN)) {
+                         $goodsn=1;
+                         last;
+                      }
+                    }
+                    # found a good service node 
+                    if ($goodsn == 1)
                     {
                         my $noderequests =
                             &process_nodes($req, $sn, $snkey,$synfiledir);