Merge pull request #4927 from bybai/iba

enhance mlnxofed_ib_install.v2 return 1 when service openibd restart …

xCAT-server/share/xcat/ib/scripts/Mellanox/mlnxofed_ib_install.v2

@@ -328,6 +328,10 @@ EOF
         #force openibd load all modules in need, restart again
         sleep 1
         service openibd restart
+        if [ "$?" != "0" ] ;then
+            echo "[Error] service openibd restart failed."
+            exit 1
+        fi
     fi
 
     if [[ "$NODESETSTATE" == "genimage" ]]; then