Remove and Replace a CSM/CEM Tray Midplane

$DEV_NAME, has been selected.

To prepare for this service action, perform the following:

- Enable the reserve the Common Storage Module (CSM) or Common Expansion Module (CEM) function.

  1. Reserve the CSM/CEM for maintenance.

  2. Enter a description of the service action (replacing a midplane).

  3. Select the estimated amount of time of the service action from the pull-down.

  4. Select the Reserve button.

     a) Other users will be alerted that this service action is in progress when they login.

- This service activity requires two people to lift a tray chassis. The tray chassis can weight up to 95 Lbs. when fully populated.

- Generate a current FRU inventory.

- Observe all ESD precautions.

  IMPORTANT:This procedure is disruptive to the customer.

  1. Ensure that the customer has backed up all data to the storage array before powering it off.

  2. Stop all system I/O to the storage array before powering it off.

  To Remove and Replace a CSM/CEM Tray Midplane

  1. If needed, to help locate the correct tray, activate the flashing amber LEDs:

     a) Turn on the tray disk drive Amber LEDs.

     b) View the tray disk drive LED location illustration.

     Note: All of the disk drive Amber LEDs will flash.

  2. Verify the State and Status of the CSM/CEM and all of the FRUs.

  3. Remove the back cover if needed.

  4. From the rear, press the power switches on the power supplies to the Off positions on the tray being replaced.

  5. Remove the power cables from each power supply in the tray being replaced.

  6. Disconnect all interface cables from the controller cards in the tray being replaced. Ensure that all cables are labeled before removing them.

  7. If this CSM/CEM tray is installed in a rack prepare to remove it from the rack. If not proceed to step 1 of Moving the disk drives section below.

  8. From the rear, remove the screws that secure the tray to the rails in the cabinet.

     a) View removing the rear mounting screws illustration.

  9. From the front of the cabinet, remove the end caps from each side of the tray chassis.

     a) View the removing end caps illustration.

  10. Remove the four screws that secure the array module to the cabinet frame.

      a) View removing the front mounting screws illustration.

  11. Slide the tray out of the cabinet using two people. Use care the tray is heavy.

      a) View removing the array module illustration.

  12. After the tray has been removed, prepare to move the FRUs to the new tray.

  Moving the disk drives.

  1. When removing disk drives, label each one with its slot location in the tray so that the drives can be replaced in the correct slots.

     Important: If the drives are not returned to the correct slots data could be lost.

     a) Disk drives are numbered from 1 to 14, starting from the left side of the tray.

     b) View the disk drive location illustration.

  2. Push down on the disk drive latch release to open the drive latch handle.

     a) View the disk drive removal illustration.

  3. Use the latch handle to pull the disk drive out of the failed tray.

  4. In the new tray, insert the disk drive gently until it connects with the miplane connector.

  5. Push in on the drive handle to firmly secure the drive. The handle will click into place when the drive is fully inserted.

  6. Repeat steps 1 through 5 when moving the remaining drives.

  Moving the controller.

  1. Controller card "A" is located on the left and controller card "B" is located on the right.

     a) View the controller card location illustration.

  2. To remove the controller push down on the black spring loaded latch in the middle of the controller card that secures the two removal levers in place. While pushing down on the latch pull the lever handles outward to remove the controller card from the tray .

     a) View the controller card removal illustration.

  3. In the new tray, insert the controller until it connects with the midplane connector. Use care not to bend any pins.

  4. Push in the latch handles to secure the new controller with the connector being sure that the latch holds the handles in place.

  5. Repeat steps 1 through 4 when moving the remaining controller.

  Moving the power supplies.

  1. Power supply "A" is located on the left and power supply "B" is located on the right.

     a) View the power supply location illustration.

  2. To remove the power supply, squeeze the pull ring on the power supply to release the lever. Open the lever, and pull the power supply out of the tray.

     a) View the power supply removal illustration.

  3. In the new tray, insert the power supply until it connects with midplane connector and close the lever.

  4. Repeat steps 1 through 3 when moving the remaining power supply.

  Moving the fan assembly.

  1. Fan assembly "A" is located on the left and fan assembly "B" is located on the right.

     a) View the fan assembly location illustration.

  2. To remove the fan assembly, slide and hold the latch (as indicated by the arrow) to the left or to the right to unlock the fan and then pull the knob out to remove the fan assembly. Pull the fan assmebly completely out.

     a) View the fan assembly removal illustration.

  3. In the new tray, insert the fan assembly until it connects with the midplane connector. The latch should now be holding the assembly in place.

  4. Repeat steps 1 through 3 when moving the remaining fan assembly.

  Installing the new tray in a cabinet.

  1. From the front of the cabinet, lift and slide the tray chassis into the cabinet.

     a) View lifting and sliding the array module illustration.

  2. Install the four screws that secure the tray to the front of the cabinet frame.

     a) View securing the front mounting screws illustration.

  3. Replace the end caps to cover the mounting screws.

  4. From the rear, insert the screws that secure the tray to the rails.

     a) View securing the rear mounting screws illustration.

  Reconnecting the cables to power on the tray.

  1. Reconnect all host interface cables and drive interface cables to both controllers.

  2. Insert the power cables to each power supply in the tray chassis.

  3. Press the power switches on the power supplies to the On positions.

  4. It will take several minutes for the tray and disk drives to become ready.

  5. Verify that the "Status" is now "OK" for all FRUs.

     a) The controller "Status" should now be "OK" and the "Availability" should be "Running/Full Power".

  6. A new FRU inventory will need to be created for the new mid-plane: Generate new FRU inventory.

  7. Disable the reserve CSM/CEM function.

     a) Select the Release button.