Removing And Replacing The Powervault Nx3500 Controller - Dell PowerVault NX3500 Administrator's Manual

To detach a controller:
1 Log in to the CLI using the management access VIP address.
To obtain this address, in the NAS Manager, go to the System
Management tab and click NetworkSubnetsPrimaryManagement
Console VIP.
2 Execute the following command:
system maintenance controllers detach start
<controllerID> -nosaveConf
NOTE:
you may have to disconnect and reboot the system. This will only occur if the
controller being detached is the primary controller being accessed by the CLI.
If a controller was alive and working prior to initiating the detach
procedure, it shuts down and upon reboot it will appear as a standby
controller. In the case of a failed controller, the system adjusts in a manner
that allows the connection of a new controller.

Removing and Replacing the PowerVault NX3500 Controller

To remove and replace the PowerVault NX3500 controller:
1 Disconnect all cables from the back of the controller.
2 Remove the failed system from the rack.
3 Install the new system in the rack.
4 Connect all cables to the new system.
Ensure that the network cables are placed in the proper ports. If necessary,
refer to the color coding table for client, SAN, internal, and peer port
connections included with this document.Place the file system reinstall DVD
in the drive and power on the newly replaced PowerVault NX3500 controller.
5 Select the Firmware reset option when the re-install DVD boots to the menu.
This process may take some time to complete, and the system may restart
numerous times until all the firmwares are updated. Completing this step
ensures that the new controller firmwares are up to date.
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Maintaining the PowerVault NX3500
Depending on the configuration and the controller being detached,