1. Create a nodelist file.
# more /home/root/nodelist
10.32.18.98:quorum
10.32.18.99

2. Configure ssh/scp to run as root without a password.

3. Run the mmcrcluster command.

mmcrcluster -n /home/root/nodelist -p d06gpfs -s d07gpfs -r /usr/bin/ssh -R /usr/bin/scp

Tue Jun 24 16:24:03 CDT 2008: 6027-1664 mmcrcluster: Processing node d06gpfs
Tue Jun 24 16:24:05 CDT 2008: 6027-1664 mmcrcluster: Processing node d07gpfs
mmcrcluster: Command successfully completed
mmcrcluster: 6027-1371 Propagating the changes to all affected nodes.
This is an asynchronous process.
# mmlscluster

GPFS cluster information
========================
GPFS cluster name: d06gpfs
GPFS cluster id: 729603352964457971
GPFS UID domain: d06gpfs
Remote shell command: /usr/bin/ssh
Remote file copy command: /usr/bin/scp

GPFS cluster configuration servers:
———————————–
Primary server: d06gpfs
Secondary server: d07gpfs

Node number Node name IP address Full node name Remarks
———————————————————————————–
1 d06gpfs 10.32.18.98 d06gpfs quorum node
2 d07gpfs 10.32.18.99 d07gpfs