Owners Manual

If EMM status LED is blinking amber (five times per sequence), update the firmware to the latest supported firmware on both
the EMMs. For more information on updating your EMM firmware, see Management Firmware Downloads in the Dell EMC
PowerVault MD Series Storage Arrays Administrator's Guide at Dell.com/powervaultmanuals.
If the EMM status LED is solid or blinking amber (2 or 4 times per
sequence)
1. Turn off the host server.
2. Remove the EMM and verify that the pins on the backplane and EMM are not bent.
3. Reseat the EMM module and wait for 30 seconds.
4. Turn on the host server.
5. Check the EMM status LED.
6. If the LED does not turn Green, replace the EMM.
If the problem is not resolved, see Getting Help.
If the link status LEDs are not green
1. Turn off the host server.
2. Reseat the cables on the expansion array and the server.
3. Turn on the expansion arrays and then the storage array and wait until the system is fully booted.
4. Turn on the host server.
5. Check the link status LED. If the link status LED is not green, replace the cables.
If the problem is not resolved, see Getting Help.
Troubleshooting physical disks
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 are shipped with your product.
1. Check the storage array profile to ensure that the most current version of the firmware is installed. For more information,
see the Support Matrix at dell.com/support/manuals.
2. Remove the physical disk from the system.
NOTE:
You must ensure that you check the physical disk indicators before removing the faulty physical disk from the
system.
3. Check the physical disks and the midplane to ensure that the connectors are not damaged.
4. Reinstall the physical disk.
5. If the problem is not resolved, replace the failed physical disk.
If the problem persists, see Getting Help.
Troubleshooting array and expansion enclosure
connections
1. Verify the following:
● the SAS OUT status LED is green
2. Ensure that all the cables are attached correctly according to the array mode you selected.
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Troubleshooting your system