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1. Verify the following:
– the SAS OUT status LED is green
– for each FC IN port connected to a cable, at least one of the paired LEDs is on
2. Ensure that all the cables are attached correctly according to the array mode you selected.
3. Turn off the host server, storage array, and expansion enclosures.
4. Reseat the RAID controller module and reconnect cables on the storage array and the host server.
5. Turn on the expansion arrays and then the storage array and wait until the system is fully booted.
6. Turn on the host server.
7. Check the LEDs of all cabled ports. Replace the fibre optic cables of any port(s) where both LEDs are unlit.
If the problem is not resolved, see Getting Help.
NOTE: You must turn off the host server before resetting the cables on the storage array or expansion
enclosure.
8. Reboot the host server.
Troubleshooting A Wet Storage Array
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.
1. Turn off the array and disconnect all the cables.
2. Remove the following components from the array:
– Physical disks
– RAID controller modules
– Power supply modules
– Cooling fan modules
3. Let the system dry thoroughly for at least 24 hours.
4. Reinstall the components you removed in step 2.
5. Connect all the cables and turn on the array.
Troubleshooting A Damaged Array
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.
1. Ensure that the following components are properly installed:
– Physical disks
– RAID controller modules
– Power supply modules
– Cooling fan module
2. Ensure that all the cables are properly connected and that there are no damaged pins in the connectors.
3. Run the diagnostics available in Dell PowerVault Modular Disk (MD) Storage Manager.
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