Administrator Guide
Restart All Controllers in a Storage Center
If the Storage Center has dual-controllers, the controllers can be restarted in sequence or simultaneously.
1 If the Storage Manager Client is connected to a Data Collector, select a Storage Center from the Storage view.
2 In the right pane, click Actions→ System→ Shutdown/Restart.
The Shut Down/Restart dialog box opens.
3 From the rst drop-down menu, select Restart.
4 (Dual-controllers only) From the Restart options drop-down menu, choose how you want the controllers to restart.
• To restart the controllers one after the other, avoiding an outage, select Restart in Sequence.
• To restart the controllers at the same time, causing an outage, select Restart Simultaneously.
5 Click OK.
Shut Down a Controller
If the Storage Center has dual-controllers, the remaining controller continues to process I/O. If the Storage Center has only one controller,
shutting it down creates an outage.
1 If the Storage Manager Client is connected to a Data Collector, select a Storage Center from the Storage view.
2 Click the Hardware tab.
3 In the Hardware tab navigation pane, expand Controllers and select the controller.
The Controller view is displayed.
4 In the right pane, click Shut Down/Restart Controller.
The Shut Down/Restart Controller dialog box opens.
5 From the drop-down menu, select Shutdown.
6 Click OK.
Restart a Controller
If the Storage Center has dual-controllers, the remaining controller continues to process I/O. If the Storage Center has only one controller,
restarting it down creates an outage.
1 If the Storage Manager Client is connected to a Data Collector, select a Storage Center from the Storage view.
2 Click the Hardware tab.
3 In the Hardware tab navigation pane, expand Controllers and select the controller.
The Controller view is displayed.
4 In the right pane, click Shut Down/Restart Controller.
The Shut Down/Restart Controller dialog box opens.
5 From the drop-down menu, select Restart.
6 Click OK.
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Storage Center Maintenance