Replacing a Sun ZFS Storage 7x20 Power Supply

Sun ZFS Storage 7x20 controllers are equipped with redundant hot-swappable power supplies. If a power supply fails and you do not have a replacement, leave the failed power supply installed to ensure proper air flow. A faulted power supply is indicated by an amber-colored status LED. Use the following procedure to replace a Sun ZFS Storage 7x20 power supply.

1. Gain access to the rear of the storage controller where the faulted power supply is located.
2. If a cable management arm (CMA) is installed, press and hold the CMA release tab and rotate the arm out of the way.
   
   
   
3. Disconnect the power cord from the faulted power supply.
4. Shut down the controller using one of the power-off methods described in Powering Off the Controller.

   Sun ZFS Storage 7120 or Sun ZFS Storage 7320: Release the latch, then remove the power supply. Components may differ slightly between the Sun ZFS Storage 7120 and Sun ZFS Storage 7320; however, service procedures for each are identical. The illustration shows the Sun ZFS Storage 7320 controller.

   
   
   

   Sun ZFS Storage 7420: Grasp the power supply handle and press the release latch to remove the power supply.

   
   
   
5. Align the replacement power supply with the empty power supply chassis bay.
6. Slide the power supply into the bay until it is fully seated. The following figure shows the Sun ZFS Storage 7420 power supply.
   
   
   
7. Connect the power cord to the power supply.
8. Verify that the green AC Present status indicator is lit.
9. Close the CMA, inserting the CMA into the rear left rail bracket.
10. From the Maintenance BUI menu, select Hardware. Click the right-arrow icon for the controller, and then click PSU to verify that the online icon is green for the newly installed power supply.
11. If a fault does not self-clear, seeRepairing Active Problems .