To deactivate the indicator light, follow these steps:
1. Log in as root user.
2. At the command line, type /usr/sbin/usysident -s normal -l location_code and press Enter.
Related information:
Service and productivity tools for PowerLinux servers from IBM
IBM provides hardware diagnostic aids and productivity tools, and installation aids for Linux operating
systems on IBM Power Systems servers.
Locating a failing part in a Virtual I/O Server system or logical partition
You can use Virtual I/O Server (VIOS) tools, before activating the indicator light, to locate a part that is
failing.
To locate the failing part, follow these steps:
1. Log in as root user or celogin-.
2. At the command line, type diagmenu and press Enter.
3. From the Function Selection menu, select Task Selection and press Enter.
4. Select Display Previous Diagnostic Results and press Enter.
5. From the Display Previous Diagnostic Results display, select Display Diagnostic Log Summary.A
Display Diagnostic Log display appears. This display contains a chronological list of events.
6. Look in the T column for the most recent S entry. Select this row in the table and press Enter.
7. Choose Commit. The details of this log entry are shown.
8. Record the location information and the SRN value shown near the end of the entry.
9. Exit to the command line.
Use the location information for the failing part to activate the indicator light that identifies the failing
part. For instructions, see “Identifying a part by using the Virtual I/O Server.”
Identifying a part by using the Virtual I/O Server
You can use Virtual I/O Server (VIOS) tools to physically locate a part.
To turn on the indicator light for identifying a part, follow these steps:
1. Log in as root user.
2. At the command line, type diagmenu and press Enter.
3. From the Function Selection menu, select Task Selection and press Enter.
4. From the Task Selection menu, select Identify and Attention Indicators and press Enter.
5. From the list of lights, select the location code for the failing part and press Enter.
6. Select Commit. This turns on the system attention and indicator light for the failing part.
7. Exit to the command line.
30 Power Systems: Serial-attached SCSI RAID enablement and cache battery pack
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