IBM TotalStorage DS300 Best Practices Manual page 198

update one controller and let the auto-synch function update the second
controller.
Up to three reboots might be required to load a different firmware image. All three
updates require a reboot and are performed after the switch to the different
firmware image.
To perform a firmware update using the command line interface follow the outline
steps below:
1. Open Hyperterminal and create a new connection. Enter a name for the new
connection and click OK.
Figure 4-161 Hyperterminal — New connection
2. Select TCP/IP (WInsock) from Connect using:
Figure 4-162 Hyperterminal — Connect to
3. Enter the IP address of the management port of controller A. Click OK.
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IBM TotalStorage DS300 and DS400 Best Practices Guide