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Changing MAC address of the installer node

Troubleshooting


Problem

Changing MAC address of the installer node

Resolving The Problem

When replacing installer node's motherboard or network card, on the next reboot OS will automatically reconfigure the MAC address for the system. However, PCM needs to update the new MAC address of provision network's NIC in kusudb.Using 'kusu-net-tool updinstnic' is doable but user have to reinstall the nodes in PCM network which is not prefered in the production cluster.To change to MAC address of NIC of provision network on installer node without reinstall all compute nodes, us the sqlrunner command as follows:

# sqlrunner -q "SELECT * FROM nics"

1|1|1|08:00:27:22:de:42|192.168.100.11|True
2|1|2|08:00:27:0d:91:7f|172.16.100.11|True
5|4|2|08:00:27:08:d6:bb|172.16.100.12|True
This will give you a list of MAC addresses / IPs of all network interfaces in the cluster. Find the provision IP of installer node's NIC and use the number of the first column, nicsid, for reference in the next command. (e.g. 172.16.100.11 is the IP of provision NIC of installer node - the nicsid is '2')

# sqlrunner -q "UPDATE nics SET mac='XX:XX:XX:XX:XX:XX'" WHERE nicsid='2'"

Update the configuration files:

# addhost -u

[{"Product":{"code":"SSZUCA","label":"IBM Spectrum Cluster Foundation"},"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Component":"--","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"1.2;2.1;2.0;2.0.1","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}},{"Product":{"code":"SSZUCA","label":"IBM Spectrum Cluster Foundation"},"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Component":null,"Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
16 September 2018

UID

isg3T1016367

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