162 IBM Midrange System Storage Hardware Guide
Changing the IP addresses with the Storage Manager utility
In order to change the default IP addresses, first we must connect to the DS5000 storage
subsystem. The procedure described in this section uses the Ethernet management
capability, because the in-band management method needs to configure first the hosts HBAs,
which requires specific details, depending on the host platform.
Perform the following steps:
1. Connect the Ethernet ports to an isolated Ethernet switch.
2. Set the IP address in your management machine to match the network address of the
default IPs on the DS5000 storage subsystem.
3. Connect the management machine to the same Ethernet switch.
4. Use the Storage Manager client interface to change the IP addresses on both controllers:
a. Start the Storage Manager client interface.
If this is the first time you are using the Storage Manager software, after it is launched,
the program presents a window to start automatic discovery of the attached devices.
b. Select OK to initiate an automatic discovery.
If the DS5000 storage subsystem does not appear after this action, check the network
connectivity to both default IP addresses of the storage subsystem using the ping
command. Consider that each time a network cable is plugged to an Ethernet port of a
controller, it detects the linkup and initiates a request for a dynamic address. If did not
find one, it assigns the default IP address. If you try to connect to the storage during
that time, you receive an error, so we recommend waiting at least 5 minutes after
plugging in the cable to attempt either the automatic discovery or to manually add the
controller IP addresses.
Tip: Before starting the automatic discovery or adding the DS5000 storage
subsystem manually, wait for the controller to finish its boot process and then
another 5 minutes after connecting the network cable to allow for the DHCP process
to complete.
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