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v “Activating or deactivating an identify LED using the Advanced System Management Interface” on
page 96
Deactivating a system attention LED or partition LED using the management
console
You can deactivate a system attention LED or a logical partition LED if you decide that a problem is not
a high priority and you decide to repair the problem at a later time. You can do this task from the
Hardware Management Console (HMC) or the IBM Systems Director Management Console (SDMC).
If you want to be alerted if another problem occurs, you must deactivate the system attention LED so
that it can be activated again if another problem occurs.
To deactivate a system attention LED by using HMC, complete the following steps:
1. In the navigation area, open Systems management.
2. Select the server you are working on by checking the box next to its name.
3. Open Operations.
4. Open LED Status.
5. Select View System Attention. The system attention LED window opens. The selected system and its
LED state are displayed in the upper part of the window. The logical partition and its LED state are
displayed in the lower part of the window. From the system attention LED window, you can
deactivate both the system attention LED and the logical partition LED.
6. Select Deactivate System Attention LED from the Action menu. A confirmation window is displayed
that provides the following information:
v A verification that the system attention LED was deactivated.
v An indication that there still might be open problems within the system.
v An indication that you cannot activate the system attention LED.
7. Select one of the logical partitions in the lower table, and select Deactivate partition LED from the
Partition Operations menu. A confirmation window is displayed that provides the following
information:
v A verification that the logical partition LED was deactivated.
v An indication that there still might be open problems within the logical partition.
v An indication that you cannot activate the logical partition LED.
To deactivate a system attention LED by using SDMC, complete the following steps:
1. On the Welcome page, under the Resources tab, select the server.
2. Click Actions > Service and Support> Hardware> System Attention LED.
3. Click OK.
Activating or deactivating an identify LED using the management console
You can activate or deactivate an identify LED for components attached to the system from the Hardware
Management Console (HMC) or the IBM Systems Director Management Console (SDMC).
The system provides several LEDs that help identify various components, such as enclosures or
field-replaceable units (FRUs), in the system. For this reason, they are called identify LEDs.
You can activate or deactivate the following types of identify LEDs:
v Identify LED for an enclosure If you want to add an adapter to a specific drawer (enclosure), you
need to know the machine type, model, and serial number (MTMS) of the drawer. To determine
whether you have the correct MTMS for the drawer that needs the new adapter, you can activate the
LED for a drawer and verify that the MTMS corresponds to the drawer that requires the new adapter.
94 Power Systems: Power supplies for the 9117-MMB or 9179-MHB