Important notesBackup files must be generated and imported on the same version of OP5 Monitor. Do not under any circumstance import backups made on a different version. Also, running different versions of RHEL/CentOS or OP5 Monitor concurrently in a distributed environment is not supported and not guaranteed to work.
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- Install and set up EL7 on new machines. The number of machines you should set up should match the number of machines in your current Monitor cluster.
- Upgrade the old machines to the latest version of the Monitor version that you have installed via yum.
Make a clean install of Monitor on the new machines. This should also be the same version of Monitor that you upgrade to in previous step.
Stop monitor on all machines, both new EL7 and old, by running the following command on all machines:
# mon stop
Configure NTP, DNS etc and prepare for IP-change
For each of your EL6 machines make a backup by running the following command:
# op5-backup -- -sysconfig
Backup file location can be found in op5-backup configuration, more information can be found here:
Copy the backup file from each old machine onto each respective new machine, so that each new machine has one backup file.
Shut down the old machine, and apply its IP settings on the new machine(s)
For each new machine, restore the backup file by running the following command:
# op5-restore -b <backup file>
Unsupported Custom PluginsIf you have used any custom plugins, remember to copy them from the old machines to the new ones. Also, make sure to install any related perl plugins or similar.
After restoring you will need to reboot