# o2cb_ctl -H -t node -n node_name -a ip_address=NEW_IP_ADD
o2cb_ctl: Node changes not yet supported
The man page is missing "-t node" but that will still not help you.
Currently o2cb_ctl only allows dynamic adding of new nodes not
updating existing nodes.
So, edit /etc/ocfs2/cluster.conf, and change the ip address.
Copy it to all nodes before restarting the cluster on all nodes.
# cat /config/cluster/<clus>/node/<nodename>/ip_address
should show the updated value after the cluster is up.
Peter Santos wrote:
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Sunil,
The link you pointed me to, just says to stop the cluster, modify the
cluster.conf and re-start the cluster.
Is that all that needs to be done?
The reason I ask is that I found this url
http://manpage.willempen.org/8/o2cb_ctl with the man pages for
o2cb_ctl and it says that you can do this "o2cb_ctl -H -n node_name -a
ip_address=NEW_IP_ADDRESS". However,
everytime I tried it, I kept getting the error "invalid attribute".
Can you please just confirm the proper way? I just want to be sure that
editing the cluster.conf file is enough
to update all the proper locations where that IP may exist.
- -peter
Sunil Mushran wrote:
http://oss.oracle.com/projects/ocfs2/dist/documentation/ocfs2_faq.html#CONFIGURE
Peter Santos wrote:
Folks,
I have a simple 2 node 10gR2 RAC cluster. Each node has a
public/private and virtual IP.
We moved the network to a different subnet and now I need to
figure out how to make the changes
visible to ocfs2 and it's services including making the changes to
cluster.conf.
I suspect that simply changing the IP addresses in cluster.conf is
not enough? My cluster.conf files
have the nodes physical ip address. I'm not even sure if they
should have the private interconnect IP or not,
but that is also a different issue.
Can someone point me to the correct procedure?
TIA
-peter
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