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05-10-2012 12:12 AM
05-10-2012 12:12 AM
hpux cluster mode to non cluster mode
We have 2 node service guard cluster with hp-ux 11.23. Two packages are running on first node and second node is configured as falover node. customer want to remove this cluster setup. Both packages (application &DB) should run on single node in non cluster mode. second node will be decommissioned out. We have already halted the second node from cluster and removed the server. Now we need to reboot first node and start both application and DB without cluster. AUTO_START_CMCLD=0 is already set in first node . After reboot of first node,
1. activate the voulme groups in normal mode and mount all the file systems manually. (to make change permanent, remove the entry from /etc/lvmrc and change the vg charecteristics. Add the file systems in /etc/fstab
2. assign the appliaction IP's ( IPs used by application and DB packages when it was running on cluster) manually to interfaces using IP aliasing
3. manually start the DB and applications.
Please suggest if any other change has be done in order to start the application and DB without cluster in single node?possibility of any issues
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05-10-2012 05:05 PM
05-10-2012 05:05 PM
Re: hpux cluster mode to non cluster mode
Hi
I cant think of anything else except you have any SG related integration such as HA NFS or Oracle inside your package startup.
good luck
WCI
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05-16-2012 02:46 AM
05-16-2012 02:46 AM
Re: hpux cluster mode to non cluster mode
Hi,
Make user u hav disable the oracle integration. Else application and DB can run as it in single node.
If u want u can do cmdeleteconf to delete all cluster configuration.
Vishnu