HP XC System Software Administration Guide Version 3.2.1
6. Follow these steps to find the MAC address of the new Onboard Administrator.
a. Connect a terminal device to the port of the Onboard Administrator.
b. Log in to the Onboard Administrator using the administrator password you set in Step
5.
c. Enter the show oa network command at the prompt:
OA-#############> show oa network
Onboard Administrator #1 Network Information
DHCP: Enabled - Dynamic DNS
IP Address: 172.31.32.3
Netmask: 255.255.192.0
Primary DNS: 172.31.15.240
MAC Address: 06:05:04:03:02:01
1
Link Status: Active
OA-#############>
1
This is the MAC address of the new Onboard Administrator.
7. Use the mysql utility to update the database with the new MAC address for the IP address:
# mysql --user=root --password cmdb
update hptc_onboardAdministrator set \
MAC_address="newMACaddress" where IP_address="OA-IPaddress"
For the sample addresses used in this section, the command would be as follows:
# mysql --user=root --password cmdb
update hptc_onboardAdministrator set \
MAC_address="06:05:04:03:02:01" where IP_address="172.31.32.2"
8. Use the shownode command to verify the following:
• The CMDB associates the new Onboard Administrator with the correct IP address
• The CMDB has the correct MAC address for the new Onboard Administrator.
# shownode config enclosures
9. Use the text editor of your choice to edit the /etc/dhcpd.conf configuration file:
a. Open the file.
b. Locate the line in the file that specifies the MAC address for the old Onboard
Administrator card.
c. Replace the string for the MAC address with the MAC address for the new Onboard
Administrator card.
d. Save the file and close the text editor.
10. Restart the DHCP service:
# service dhcpd restart
22.5 Replacing a System Interconnect Board in an HP CP6000 System
Use the following procedure to replace a Myrinet system interconnect board, InfiniBand system
interconnect board, or a Quadrics system interconnect board in an CP6000 system. The example
commands in the procedure use node n3.
Caution:
The replacement system interconnect board must be the same as the system interconnect board
to be replaced.
1. Log in as superuser on the head node.
22.5 Replacing a System Interconnect Board in an HP CP6000 System 277