diff --git a/xCAT-server/lib/xcat/plugins/ipmi.pm b/xCAT-server/lib/xcat/plugins/ipmi.pm
index fd35a443d..516ce40ee 100644
--- a/xCAT-server/lib/xcat/plugins/ipmi.pm
+++ b/xCAT-server/lib/xcat/plugins/ipmi.pm
@@ -2364,6 +2364,12 @@ sub power {
     my $rc = 0;
     my $text;
     my $code;
+
+    if (($sessdata->{subcommand} eq "suspend" or $sessdata->{subcommand} eq "wake") and isopenpower($sessdata)) {
+        xCAT::SvrUtils::sendmsg([ 1, "unsupported command power $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