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Changing IP Addresses/Host Names
Change Primary Data Node
Changing the primary data node's IP address or host name requires reinstalling TOS Aurora. Perform the following steps:
- Create a full backup
- Export your backup and place it in an offline location
- Uninstall
- Change the IP using nmtui, as described in the install procedure.
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Change the host name, replacing <mynode> with your preferred name:
- Reinstall TOS Aurora
- Import your backup
- Restore
Change Nodes
Changing a node's IP address or host name requires removing and re-adding the node. This applies to all nodes except the primary data node.
- Change the IP using nmtui, as described in the install procedure.
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Change the host name, replacing <mynode> with your preferred name:
- Add the node.
Change VIP Addresses
To change your primary VIP address, tos cluster primary-vip set
To change syslog vip addresses, see Syslog VIP Addresses
Change Pods/Service Networks
Changing the pods/service networks requires reinstalling TOS Aurora. Perform the following steps:
- Create a full backup
- Export your backup and place it in an offline location
- Uninstall
- Reinstall TOS Aurora with new pods and service network configuration
- Import your backup
- Restore
The /etc/hosts File
Once TOS has been installed, any changes to /etc/hosts may cause malfunctions unless TOS is restarted.
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Stop TOS
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Run the command:
This process may take time.
- Check that all processes have been stopped successfully. Run the command:
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Wait until all the pods, with the exception of the service controller, ps-proxy, and reportpack pods, have disappeared from the list or reached a status of Completed. The service controller, ps-proxy, and reportpack pods which can continue running.
All TOS processes are now stopped on all the data nodes in the cluster.
A list of all pods is displayed.
Example
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Start TOS