diff --git a/perl-xCAT/xCAT/ProfiledNodeUtils.pm b/perl-xCAT/xCAT/ProfiledNodeUtils.pm
index 62c1b5081..601949057 100644
--- a/perl-xCAT/xCAT/ProfiledNodeUtils.pm
+++ b/perl-xCAT/xCAT/ProfiledNodeUtils.pm
@@ -655,6 +655,38 @@ sub get_all_cecs
 
 #-------------------------------------------------------------------------------
 
+=head3 get_all_lparids
+      Description : Get all LPAR ids  in system.
+      Arguments   : ref of all cecs
+      Returns     : ref for LPAR ids hash.
+      Example     : 
+                    my $arrayref = xCAT::ProfiledNodeUtils->get_all_lparids(\%allcecs);
+=cut
+
+#-------------------------------------------------------------------------------
+sub get_all_lparids
+{
+    my $class= shift;
+    my $cecsref = shift;
+    my %allcecs = %$cecsref;
+    my %lparids;
+
+    my $ppctab = xCAT::Table->new('ppc');
+    foreach my $cec (keys  %allcecs) {
+        my @ids = $ppctab->getAllAttribsWhere("hcp = '$cec'", 'id');
+        foreach (@ids) {
+            if ( $_->{'id'} ){
+                $lparids{$cec}{$_->{'id'}} = 0;
+            }
+        }
+    }
+    $ppctab->close();
+    
+    return \%lparids;
+}
+
+#-------------------------------------------------------------------------------
+
 =head3 is_discover_started
       Description : Judge whether profiled nodes discovering is running or not.
       Arguments   : NA
diff --git a/xCAT-client/pods/man1/nodeimport.1.pod b/xCAT-client/pods/man1/nodeimport.1.pod
index 9611246c1..5d443d866 100644
--- a/xCAT-client/pods/man1/nodeimport.1.pod
+++ b/xCAT-client/pods/man1/nodeimport.1.pod
@@ -128,7 +128,11 @@ To import nodes using a profile, follow the following steps:
   __hostname__:
      mac=b8:ac:6f:37:59:28
      cec=mycec
-     lpaid=1
+  
+  __hostname__:
+     mac=b8:ac:6f:37:59:29
+     cec=mycec
+     lpaid=2
   # Node information file ends.
 
 The node information file includes the following items:
@@ -155,7 +159,7 @@ Description: Specifies the name of a Power rack-mount central electronic complex
 
 B<lparid=<lpar-id>>  This is a optional option for defining Power rack-mounted nodes.
 
-Description: Specifies the LPAR id of Power rack-mounted node.
+Description: Specifies the LPAR ID of a Power rack-mounted node, where <lpar-id> is the ID number. The default value is 1 if it is not defined.
 
 B<ip=<ip-address>> This is an optional item.
 
diff --git a/xCAT-server/lib/xcat/plugins/profilednodes.pm b/xCAT-server/lib/xcat/plugins/profilednodes.pm
index c8ab55cec..b259f11e2 100644
--- a/xCAT-server/lib/xcat/plugins/profilednodes.pm
+++ b/xCAT-server/lib/xcat/plugins/profilednodes.pm
@@ -33,6 +33,7 @@ my %allhostnames;
 my %allbmcips;
 my %allmacs;
 my %allcecs;
+my %alllparids;
 my %allmacsupper;
 my %allips;
 my %allinstallips;
@@ -425,6 +426,10 @@ Usage:
     # Get all CEC names
     $recordsref =  xCAT::ProfiledNodeUtils->get_all_cecs(1);
     %allcecs = %$recordsref;
+    
+    # Get all LPAR ids
+    $recordsref = xCAT::ProfiledNodeUtils->get_all_lparids(\%allcecs);
+    %alllparids = %$recordsref;
 
     #TODO: can not use getallnode to get rack infos.
     $recordsref = xCAT::ProfiledNodeUtils->get_all_rack(1);
@@ -2435,11 +2440,21 @@ sub validate_node_entry{
         }elsif ($_ eq "lparid"){
             if (not exists $node_entry{"cec"}){
                 $errmsg .= "The lparid option must be used with the cec option.\n";
-            }
+            }           
         }elsif ($_ eq "cec"){
+            my $cec_name = $node_entry{"cec"};
+            my $lpar_id = 1;
             # Check the specified CEC is existing
             if (! exists $allcecs{$node_entry{$_}}){
                 $errmsg .= "The CEC name $node_entry{$_} that is specified in the node information file is not defined in the system.\n";
+            }elsif (exists $node_entry{"lparid"}){
+                $lpar_id = $node_entry{"lparid"};
+            }
+            
+            if (exists $alllparids{$cec_name}{$lpar_id}){
+                $errmsg .= "The CEC name $cec_name and LPAR id $lpar_id already exist in the database or in the nodeinfo file. You must use a new CEC name and LPAR id.\n";
+            }else{
+                $alllparids{$cec_name}{$lpar_id} = 0;
             }
         }elsif ($_ eq "nicips"){
             # Check Multi-Nic's ip