CMOD Warm Service Procedure
Starting with Oracle ILOM 3.2.4.18 and SW 1.1, warm service mode allows you to service CMODs and their subcomponents without removing the power cords or shutting down Oracle ILOM.
When you remove more than one fan module from a column (cooling zone), or when you insert a CMOD into a previously empty slot during an upgrade, Oracle ILOM immediately removes power from all CMOD slots, placing the server in warm service mode.
 | Caution - Data Loss. Do not remove more than one fan module from a column (cooling zone) while the system is in Full power mode. This action removes power from the CMODs and causes an immediate shutdown. On an eight-CMOD system, this applies to all fan modules. On a four-CMOD system, this applies to the fan modules in the left-hand fan frame (CMODs 0-3). |
For more information. refer to Sun Server X4-8 Service Manual.