Remove the Disk Backplane

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Caution  -  The disk backplane should be removed only by authorized Oracle Services personnel.

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1. Prepare the controller for service.
   1. Power off the controller and disconnect the power cords from the power supplies.

      See Powering Off the Controller.

   2. Extend the controller to the maintenance position.

      See Extend the Controller to the Maintenance Position.

   3. Attach an antistatic wrist strap to your wrist, and then to a metal area on the chassis.

      See Take Antistatic Measures.

   4. Open the controller fan door to gain access to the disk backplanes.

      See Open the Controller Fan Door

   5. Remove all four fan modules.

      See Remove a Fan Module.

2. Pull all storage drives out far enough to disengage them from the disk backplane.

   See Remove a HDD or SSD Storage Drive.

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   Note -  It is not necessary to completely remove the storage drives from the controller; simply pull them out far enough to disengage them from the disk backplane. If you do remove the storage drives from the controller, record their locations so that you can reinstall them in the same locations.

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3. Remove six Philips screws from the disk cage cover and slide toward the front of the controller and lift up to remove it [1].
   
4. Disconnect the SAS cables from the disk backplane [2].
5. Disconnect the disk backplane auxiliary power and signal cable from the disk backplane [3].
6. Disconnect the disk backplane power cable from the disk backplane [4].
7. Loosen the captive screw that secures the disk backplane to the chassis [6.1].
8. Lift the metal spring retainer on the right side of the disk backplane, lift the disk backplane up and tilt it toward the rear of the controller to free it from the holding brackets, and lift it out of the controller [6.2].
9. Place the disk backplane on an antistatic mat.

Related Information

• Install the Disk Backplane