Remove SAS Storage Drive Cables

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Prepare the server for service.
1. Power off the server and disconnect the power cords from the power supplies.
  See Powering Down the Server.
2. Extend the server to the maintenance position.
  See Extend the Server to the Maintenance Position.
3. Attach an antistatic wrist strap to your wrist, and then to a metal area on the chassis.
  See Electrostatic Discharge Safety.
4. Remove the server top cover.
  See Remove the Server Top Cover.
5. Open the server fan assembly door and remove fan modules.
  See Remove a Fan Module.
6. Swivel the air baffle into the upright position to allow access to the SAS storage drive cables.
7. Depending on your server's storage drive configuration, do one of the following:
  - If your server is configured with twenty-four 2.5-inch storage drives or twelve 3.5-inch storage drives, remove the server's front fan assembly door cover.
    See Remove the Fan Assembly Door From the Server.
  - If your server is configured with eight 2.5-inch storage drives, remove the server's disk cage cover.
    See Remove the Disk Cage Cover From the Server.

Disconnect the SAS cables.
1. (Optional) To disconnect the SAS cables between the rear storage drive backplane and front storage drive backplane, press each latch, and then pull out to disengage the cable from each SAS connector [1].
2. To disconnect the SAS cables between the Oracle Storage 12 Gb/s SAS PCIe RAID HBA card in PCIe slot 6 and the front storage drive backplane, press each latch, and then pull out to disengage the cable from each SAS connector [1 and 2].
  See also Remove the Oracle Storage 12 Gb/s SAS PCIe RAID HBA Card.
  
  Note - The following figure shows SAS cables being removed from the twenty-four drive system configuration. If you are removing SAS cables from an eight-drive system configuration, your front disk backplane SAS connector locations will be different. In addition, the chassis mid-wall is removed in the illustration to clearly show the SAS cable connections.

Remove the SAS cables from the server.
Note - (Optional) SAS cable connectors do not fit through the right-side chassis mid-wall. If you are removing SAS cables between the rear storage drive backplane and front storage drive backplane, you first must remove the chassis mid-wall. For instructions, see Step 11 in Remove the Motherboard Assembly.

Carefully remove the SAS cable bundles from the chassis mid-wall. Be careful not to snag the cables on the server components.

Oracle^® Server X6-2L Service Manual