Dell PowerVault MD1220 Hardware Owner's Manual - Page 53
Troubleshooting Hard Drives - direct attached storage
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Troubleshooting Hard Drives 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 Remove the hard drive from the enclosure. See "Removing a Hard Drive" on page 31. NOTE: You must ensure that you check the hard drive indicators before removing the faulty hard drive from the enclosure. 2 Check the hard drives and the backplane to ensure that the connectors are not damaged. 3 Reinstall the hard drive. 4 Reboot the host server. If the problem is not resolved, proceed to step 5. 5 Verify that the EMM port link status LED and the EMM status LED are solid green for each port that is connected to a cable. If the LEDs are not solid green, see "Enclosure Management Module" on page 13. 6 Ensure that all the cables are attached correctly according to the enclosure mode you selected. For more information on enclosure modes, see "Operating Your Storage Enclosure" on page 19. 7 If you reseated the cables, reboot the host server. If the problem persists, see "Troubleshooting Loss of Communication" on page 49 or see "Getting Help" on page 57. Troubleshooting Your Enclosure 53