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NOTE: For powering-on AC PSUs with or without a power switch, and DC and AC PSUs with a power
switch, see
Power supply units
Verifying component operation
Restart system devices in the following sequence. Allow time for each device to complete its Power On Self
Tests (POST) before proceeding:
1. Disk drive enclosures
2. Controller enclosure
3. Host (if powered down for maintenance)
Using LEDs
View LEDs on the front and rear of the enclosure (see "LED descriptions" within the AssuredSAN 3000
Series Setup Guide for more information).
Verify front panel LEDs:
• Verify that the Enclosure ID LED (located on the left ear) is illuminated green.
• Verify that the FRU OK and Temperature Fault LEDs are illuminated green, and that the Fault/Service
Required LED is off (all three LEDs are located on the right ear).
• For LFF disks, verify that the Power/Activity/Fault LED (bottom LED on front of disk) is illuminated green
or blinking green (If your product model has an enclosure bezel, remove it to view disk LEDs).
• For SFF disks, verify that the Power/Activity LED (left LED on front of disk) is illuminated green or
blinking green (If your product model has an enclosure bezel, remove it to view disk LEDs).
Verify rear panel LEDs:
• Verify that the each power supply module's Input Source Power Good LED (top LED on PSU) is
illuminated green.
• Verify that the FRU OK LED on each IOM face plate is illuminated green, indicating that the module
has completed initializing, and is online.
Using management interfaces
In addition to viewing LEDs as described above, you can use management interfaces to monitor the health
status of the system and its components, provided you have configured and provisioned the system (see
"Getting Started" within the AssuredSAN 3000 Series RAIDar User Guide for more information).
Select from the following methods to verify component operation:
• Use RAIDar to check the health icons/values of the system and its components to either ensure that
everything is okay, or to drill down to a problem component. RAIDar uses health icons to show OK,
Degraded, Fault, or Unknown status for the system and its components. If you discover a problem
component, follow the actions in its Health Recommendations field to resolve the problem.
• As an alternative to using RAIDar, 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. If you discover a problem component, follow the actions in its Health
Recommendations 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 either RAIDar
or the CLI. Using RAIDar, 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 show events detail command (with
additional parameters to filter the output) to see the detail for an event (see "Alphabetical list of
commands > show events" within the AssuredSAN 3000 Series CLI Reference Guide for more
information about command syntax and parameters).
on page 42.
AssuredSAN 3000 Series FRU Installation and Replacement Guide
55
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