14 HP MSA 500 G2 Storage System Maintenance and Service Guide
To remove the component:
CAUTION: To prevent improper cooling and thermal damage, do not operate the storage system unless all bays are populated with either a component or a blank.
1.Power down the storage system (on page 9).
2.Remove the controller.
To restore the data:
1.Remove the cache modules from the failed controller.
2.Install the cache modules in the new controller.
3.Install the new controller and allow the cache to write the stored data.
To replace the controller:
1.Slide the controller into the bay until it locks into place.
2.Close the lever.
3.Verify that the controller is seated properly by observing the controller LEDs. When seated properly, the LEDs illuminate when the system is powered.