Replacing the SAN Volume Controller 2145-8A4 disk-drive backplane

To replace the SAN Volume Controller 2145-8A4 disk-drive backplane, including the SATA back plate, complete the following steps.

  1. Make sure that the air deflector number one, which is shown in Figure 1, is in the open position.
    Note: The air deflector also functions as the back plate latch. In this procedure, you must lift the air deflector to access some of the cables.
    Figure 1. Air deflector for the SAN Volume Controller 2145-8A4 power supplyThis figure shows the partially lifted power air deflector for the SAN Volume Controller 2145-8A4 power supply
  2. Connect power cable connectors P2 number one and P3 number two to the replacement back plate, as shown in Figure 2.
    Figure 2. SAN Volume Controller 2145-8A4 power supply connectorsThis figure shows the P2 and P3 power cable connectors at the rear of the SAN Volume Controller 2145-8A4 power supply
  3. Slide the back plate into the card guides, making sure not to trap or pinch any nearby wires or cables.
  4. Press firmly until the back plate is fully seated.
  5. Rotate the air deflector (number one in Figure 1) into place, making sure not to pinch any cables beneath it, and press it down firmly.
  6. Reconnect the SATA cables to the system board. When you look from the front, SATA 0 is the drive number for the left bay and SATA 2 is the drive number for the right bay.
    Note: Make sure that the cable drive number matches the connector number on the system board. The cables will cross over each other, as shown in Figure 3.
    Figure 3. SAN Volume Controller 2145-8A4 SATA cablesThis figure shows where one SAN Volume Controller 2145-8A4 SATA cable crosses over the other SATA cable
  7. Install the hard disk drive. See Replacing the disk drive.
  8. Install the service controller. See Replacing the service controller.
  9. Replace the top cover. See Replacing the top cover.
  10. Place the node in the rack. See Replacing the SAN Volume Controller in a rack.
  11. Reconnect the fibre-channel and Ethernet cables. Ensure that you replace the fibre-channel and Ethernet cables in the same ports from which they were removed.
  12. Turn on the node.
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