NetApp StorageGRID SG5700 Series Hardware Installation And Maintenance Manual page 63

c. If the Drive Security feature is enabled, be sure a saved key exists and that you know the pass
phrase required to install it.
Possible loss of data access – If all drives in the appliance are security enabled,
Attention:
the new controller will not be able to access the appliance until you unlock the secured
drives using the Enterprise Management Window in SANtricity Storage Manager.
d. Back up the configuration database.
If a problem occurs when you remove a controller, you can use the saved file to restore your
configuration.
e. Collect support data for the appliance.
Collecting support data before and after replacing a component ensures you can send
Note:
a full set of logs to technical support in case the replacement does not resolve the problem.
2. If the StorageGRID appliance is running in a StorageGRID system, place the E5700SG controller
into maintenance mode.
a. From the Grid Manager, select Nodes.
b. Select the appliance Storage Node.
c. Select the Tasks tab.
d. Click Maintenance Mode.
A confirmation dialog appears.
Maintaining the SG5700 appliance | 63