diff --git a/docs/source/guides/admin-guides/references/man1/rpower.1.rst b/docs/source/guides/admin-guides/references/man1/rpower.1.rst
index b344f75d6..74dcc3cac 100644
--- a/docs/source/guides/admin-guides/references/man1/rpower.1.rst
+++ b/docs/source/guides/admin-guides/references/man1/rpower.1.rst
@@ -23,8 +23,8 @@ SYNOPSIS
 
 \ **rpower**\  [\ **-h | -**\ **-help | -v | -**\ **-version**\ ]
 
-BMC (using IPMI) specific:
-==========================
+BMC (using IPMI):
+=================
 
 
 \ **rpower**\  \ *noderange*\  [\ **on | off | softoff | reset | boot | stat | state | status | wake | suspend**\  [\ **-w**\  \ *timeout*\ ] [\ **-o**\ ] [\ **-r**\ ]]
@@ -32,8 +32,17 @@ BMC (using IPMI) specific:
 \ **rpower**\  \ *noderange*\  [\ **pduon | pduoff | pdustat | pdureset**\ ]
 
 
-OpenBMC specific:
-=================
+OpenPower BMC (using IPMI):
+===========================
+
+
+\ **rpower**\  \ *noderange*\  [\ **on | off | reset | boot | stat | state | status**\ ]
+
+\ **rpower**\  \ *noderange*\  [\ **pduon | pduoff | pdustat | pdureset**\ ]
+
+
+OpenPower OpenBMC:
+==================
 
 
 \ **rpower**\  \ *noderange*\  [\ **off | on | reset | boot | stat | state | status**\ ]
@@ -97,6 +106,13 @@ Blade specific:
 \ **rpower**\  \ *noderange*\  [\ **cycle | softoff**\ ]
 
 
+Lenovo High-Density Server specific:
+====================================
+
+
+\ **rpower**\  \ *noderange*\  [\ **on | off | reset | boot | reseat**\ ]
+
+
 zVM specific:
 =============
 
@@ -270,6 +286,12 @@ OPTIONS
  
 
 
+\ **reseat**\ 
+ 
+ For Lenovo high-density servers, simulates unplugging and replugging the node into the chassis.
+ 
+
+
 \ **of**\ 
  
  Boot the node to open firmware console mode.
diff --git a/perl-xCAT/xCAT/Usage.pm b/perl-xCAT/xCAT/Usage.pm
index cfad04bac..51eed08a8 100755
--- a/perl-xCAT/xCAT/Usage.pm
+++ b/perl-xCAT/xCAT/Usage.pm
@@ -26,7 +26,13 @@ my %usage = (
     "rpower" =>
 "Usage: rpower <noderange> [--nodeps] [on|onstandby|off|suspend|reset|stat|state|boot] [-V|--verbose] [-m table.colum==expectedstatus][-m table.colum==expectedstatus...] [-r <retrycount>] [-t <timeout>]
        rpower [-h|--help|-v|--version]
-     OpenBMC specific:
+     BMC (using IPMI):
+       rpower noderange [on|off|softoff|reset|boot|stat|state|status|wake|suspend [-w timeout] [-o] [-r]]
+       rpower noderange [pduon|pduoff|pdustat]
+     OpenPower BMC:
+       rpower noderange [on|off|reset|boot|stat|state|status]
+       rpower noderange [pduon|pduoff|pdustat]
+     OpenPower OpenBMC:
        rpower noderange [on|off|reset|boot|stat|state|status]
      KVM Virtualization specific:
        rpower <noderange> [boot] [ -c <path to iso> ]
diff --git a/xCAT-client/pods/man1/rpower.1.pod b/xCAT-client/pods/man1/rpower.1.pod
index 2a8bd9d96..61e7be87c 100644
--- a/xCAT-client/pods/man1/rpower.1.pod
+++ b/xCAT-client/pods/man1/rpower.1.pod
@@ -8,13 +8,19 @@ B<rpower> I<noderange> [B<--nodeps>] [B<on>|B<onstandby>|B<off>|B<suspend>|B<sta
 
 B<rpower> [B<-h>|B<--help>|B<-v>|B<--version>]
 
-=head2 BMC (using IPMI) specific:
+=head2 BMC (using IPMI):
 
 B<rpower> I<noderange> [B<on>|B<off>|B<softoff>|B<reset>|B<boot>|B<stat>|B<state>|B<status>|B<wake>|B<suspend> [B<-w> I<timeout>] [B<-o>] [B<-r>]] 
 
 B<rpower> I<noderange> [B<pduon>|B<pduoff>|B<pdustat>|B<pdureset>]
 
-=head2 OpenBMC specific:
+=head2 OpenPower BMC (using IPMI):
+
+B<rpower> I<noderange> [B<on>|B<off>|B<reset>|B<boot>|B<stat>|B<state>|B<status>]
+
+B<rpower> I<noderange> [B<pduon>|B<pduoff>|B<pdustat>|B<pdureset>]
+
+=head2 OpenPower OpenBMC:
 
 B<rpower> I<noderange> [B<off>|B<on>|B<reset>|B<boot>|B<stat>|B<state>|B<status>]
 
diff --git a/xCAT-server/lib/xcat/plugins/ipmi.pm b/xCAT-server/lib/xcat/plugins/ipmi.pm
index cc510278a..596eac8ee 100644
--- a/xCAT-server/lib/xcat/plugins/ipmi.pm
+++ b/xCAT-server/lib/xcat/plugins/ipmi.pm
@@ -2535,6 +2535,12 @@ sub power {
     my $rc = 0;
     my $text;
     my $code;
+
+    if (($sessdata->{subcommand} !~ /^on$|^off$|^reset$|^boot$|^stat$|^state$|^status$/) and isopenpower($sessdata)) {
+        xCAT::SvrUtils::sendmsg([ 1, "unsupported command rpower $sessdata->{subcommand} for OpenPower" ], $callback, $sessdata->{node}, %allerrornodes);
+        return;
+    }
+
     if ($sessdata->{subcommand} eq "reseat") {
         reseat_node($sessdata);
     } elsif (not $sessdata->{acpistate} and is_systemx($sessdata)) { #Only implemented for IBM servers
@@ -2681,6 +2687,7 @@ sub power_response {
         my $text = $codes{ $rsp->{code} };
         unless ($text) { $text = sprintf("Unknown response %02xh", $rsp->{code}); }
         xCAT::SvrUtils::sendmsg([ 1, $text ], $callback, $sessdata->{node}, %allerrornodes);
+        return;
     } else {
         my $command = $sessdata->{subcommand};
         my $status  = $sessdata->{powerstatus};