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Lenovo S3200 Setup Manual: Use The Cli; Monitor Event Notification; View The Enclosure Leds; Performing Basic Steps

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Use the CLI

As an alternative to using the SMC, you can run the show system command in the CLI to view the health
of the system and its components. If any component has a problem, the system health will be Degraded,
Fault, or Unknown, and those components will be listed as Unhealthy Components. Follow the
recommended actions in the component Health Recommendation field to resolve the problem.

Monitor event notification

With event notification configured and enabled, you can view event logs to monitor the health of the
system and its components. If a message tells you to check whether an event has been logged, or to view
information about an event in the log, you can do so using the SMC or the CLI. Using the SMC, you would
view the event log and then click on the event message to see detail about that event. Using the CLI, you
would run the
detail for an event.

View the enclosure LEDs

You can view the LEDs on the hardware (while referring to
identify component status. If a problem prevents access to the SMC or the CLI, this is the only option
available. However, monitoring/management is often done at a management console using storage
management interfaces, rather than relying on line-of-sight to LEDs of racked hardware components.

Performing basic steps

You can use any of the available options described above in performing the basic steps comprising the
fault isolation methodology.

Gather fault information

When a fault occurs, it is important to gather as much information as possible. Doing so will help you
determine the correct action needed to remedy the fault.
Begin by reviewing the reported fault:
Is the fault related to an internal data path or an external data path?
• Is the fault related to a hardware component such as a disk drive module, controller module, or power
supply unit?
By isolating the fault to one of the components within the storage system, you will be able to determine the
necessary corrective action more quickly.

Determine where the fault is occurring

Once you have an understanding of the reported fault, review the enclosure LEDs. The enclosure LEDs are
designed to immediately alert users of any system faults, and might be what alerted the user to a fault in
the first place.
When a fault occurs, the Fault ID status LED on an enclosure's right ear illuminates (see the diagram
pertaining to your product's front panel components on
enclosure to narrow the fault to a CRU, connection, or both. The LEDs also help you identify the location of
a CRU reporting a fault.
Use the SMC to verify any faults found while viewing the LEDs. The SMC is also a good tool to use in
determining where the fault is occurring if the LEDs cannot be viewed due to the location of the system. This
web-application provides you with a visual representation of the system and where the fault is occurring.
The SMC can also provide more detailed information about CRUs, data, and faults.

Review the event logs

The event logs record all system events. Each event has a numeric code that identifies the type of event that
occurred, and has one of the following severities:
• Critical. A failure occurred that may cause a controller to shut down. Correct the problem immediately.
• Error. A failure occurred that may affect data integrity or system stability. Correct the problem as soon
as possible.
command (with additional parameters to filter the output) to see the
show events detail
LED descriptions
for your enclosure model) to
14). Check the LEDs on the back of the
Lenovo Storage S3200/S2200 Setup Guide



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