NetApp StorageGRID Webscale SG5700 Series Hardware Installation And Maintenance Manual page 60

60 | Hardware Installation and Maintenance Guide for SG5700 Appliances
c. Shut down the E5700SG controller:
shutdown -h now
d. Wait for any data in cache memory to be written to the drives.
The green Cache Active LED on the back of the E2800 controller is on when cached data
needs to be written to the drives. You must wait for this LED to turn off.
3. If the E2800 controller is functioning sufficiently to allow for a controlled shutdown, turn off the
power.
a. From the home page of SANtricity System Manager, select View Operations in Progress.
b. Confirm that all operations have completed.
c. Turn off both power switches on the appliance.
d. Wait for all LEDs on the appliance to turn off.
4. Follow the instructions in the replacement procedure for a simplex E2800 controller to complete
these steps:
a. Label the cables and then disconnect the cables and SFPs.
Attention:
cables.
b. Remove the failed controller from the appliance.
c. Remove the controller cover.
d. Confirm that the green LED between the battery and the DIMMs is off.
Attention:
for this LED to go off before removing any components.
e. Remove the battery from the failed controller.
f. Install the battery in the replacement controller, and replace the controller cover.
g. Install the replacement controller into the appliance.
h. Replace the cables and SFPs.
i. Determine how you will assign an IP address to the replacement controller.
Note: The steps for assigning an IP address to the replacement controller depend on
whether you connected management port 1 to a network with a DHCP server and on
whether all drives are secured.
• If management port 1 is connected to a network with a DHCP server, the new controller
will obtain its IP address from the DHCP server. This value might be different than the
original controller's IP address.
• If all drives are secured, you must use the Enterprise Management Window (EMW) in
SANtricity Storage Manager to unlock the secured drives. You cannot access the new
controller until you unlock the drives with the saved key. See the simplex E2800
controller replacement procedure.
5. If the appliance uses secured drives, follow the instructions in the E2800 controller replacement
procedure to import the drive security key.
6. Power on the appliance and monitor the controller LEDs and seven-segment displays.
To prevent degraded performance, do not twist, fold, pinch, or step on the
If this green LED is on, the controller is still using battery power. You must wait