130 Troubleshooting Your System7 If you have the non-RAID SAS controller daughter card, remove the hard drive and swap its drive baylocation with another hard drive that is functioning properly.If the problem is resolved, reinstall the hard drive in the original bay. See "Installing a Hot-Plug HardDrive" on page 56.If the hard drive functions properly in the original bay, the drive carrier could have intermittentproblems. Replace the hard-drive carrier. See "Getting Help" on page 147.If the hard drive functioned properly in another bay but does not function in the original bay, the SASbackplane has a defective connector. See "Getting Help" on page 147.8 Check the cable connections inside the system:a Turn off the system, including any attached peripherals, and disconnect the system from theelectrical outlet.b Open the system. See "Opening the System" on page 53.c Verify that the cable connections between SAS backplane(s) and the SAS daughter card arecorrect. See "Cabling the SAS Backplane Boards" on page 99.d Verify that the SAS cables are securely seated in their connectors.e Verify that the power connectors on the SAS backplane(s) are securely seated in their connectors.f Close the system. See "Closing the System" on page 53.g Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.If the problem persists, see "Getting Help" on page 147.Troubleshooting a SAS or SAS RAID Controller Daughter CardNOTE: When troubleshooting a SAS or SAS RAID controller daughter card, also see the documentation for youroperating system and the controller daughter card.Problem• Error message indicates a problem with the SAS or SAS RAID controller daughter card.• SAS or SAS RAID controller daughter card performs incorrectly or not at all.ActionCAUTION: Only trained service technicians are authorized to remove the system cover and access any of thecomponents inside the system. Before performing any procedure, see your Product Information Guide forcomplete information about safety precautions, working inside the computer and protecting against electrostaticdischarge.1 Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" on page 135.2 Enter the System Setup program and ensure that the SAS or SAS RAID controller daughter card isenabled. See "Using the System Setup Program" on page 35.
