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Appendix
Replacing a Controller Node
In this chapter:
•
Backing Up and Restoring the Cluster
•
Backing Up and Restoring Configuration
The information in this appendix only applies to the SCG-200.
NOTE:
This appendix describes how to back up cluster and configuration data and replace a controller node.
Topics include:
The following are required to perform the procedures described in this guide.
1. A remote FTP server with at least 50GB of free disk space. You must create an FTP account (user
name and password) before starting these procedures.
2. If you are restoring to a multi node cluster environment, all backup files must be taken around the
same time. If the backup files are out-of-sync, the restore process may be unsuccessful.
Backing Up and Restoring the Cluster
Cluster backup creates a backup of the entire cluster.
Take note of the following before performing a cluster backup.
• The cluster backup file is typically very large (larger than 1GB).
• Cluster backup cannot be completed successfully if any one of the nodes has less than 50GB
of disk space after the backup process.
Step 1: Back Up the Cluster from the Web Interface
For information on how to back up the cluster from the controller web interface, see
Cluster Backup
on page 341.
Step 2: Back Up the Cluster from the Controller CLI
Cluster backup creates a backup of the entire cluster.
Follow the steps to back up the cluster from the controller CLI.
1. Log on to the controller CLI as a system administrator.
2. Run the enable command to enable privileged mode on the CLI.
SmartCell Gateway 200/Virtual SmartZone High-Scale for Release 3.4.1 Administrator Guide
Replacing a Controller Node
Backing Up and Restoring the Cluster
Creating a
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