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8. Reconnect the fiber optic cable.
9. View the FC IN speed LEDs and the Physical Disk Channel speed LEDs.
Based on the LED status, perform one of these actions:
• If at least one of the FC IN LEDs for each port is on, go to step 11.
• Both the FC IN LEDs on an MD storage array RAID controller module enclosure for a particular
port are off.
• Check that the SFP+ transceiver is installed correctly. Reinstall the SFP+ transceiver if necessary.
NOTE: If the storage array is not in an Optimal status, click the Recovery Guru toolbar button in
the Array Management Window to determine if any other actions are required.
10. If the problem is resolved, go to step 11. If the problem persists, see Getting Help.
11. Create, save, and print a new storage array profile.
Troubleshooting External Connections
• Verify that the cables are connected to the correct ports before troubleshooting any external devices.
For the location of the back-panel connectors on your storage array, see the Back-panel features
section in this document.
• Ensure that all the cables are securely attached to the external connectors on your array.
• For information on cabling, see the Deployment Guide for your storage array at dell.com/support/
manuals
.
Troubleshooting Power Supply Modules
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
CAUTION: It is recommended that you turn off the host server before turning off the array to
prevent loss of data.
1. Locate the faulty power supply and determine the status of the LEDs.
• If the AC power LED is not lit, check the power cord and power source into which the power
supply module is plugged.
– Connect another device to the power source to verify if it is working.
– Connect the cable to a different power source.
– Replace the power cable. If the problem is not resolved, see Getting Help.
• If the DC power LED is not lit, verify that the power switch is turned on. If the power switch is
turned on, see step 2.
• If the power supply module’s fault indicator is lit, see Getting Help.
CAUTION: Power supply modules are hot-swappable. The array can operate on a single
power supply module; however both modules must be installed to ensure proper cooling. A
single power supply module can be removed from a powered-on array for a maximum period
of five minutes. Beyond that time, the array may automatically shut down to prevent damage.
2. Reseat the power supply module by removing and reinstalling it.
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