If you already have an HP-UX 9.x system running HP OTS/9000 and would be installing 10.20 or later on your system, you will need to backup your configuration and data files before cold-installing 10.x on your system.
The configuration files for HP OTS/9000 on a 9.x system reside in the directory /etc/net/osi/conf. Backup all the files in this directory before installing 10.20.
Install HP-UX 10.x on your system. See the manual Upgrading from HP-UX 9.x to 10.x for detailed instructions.
After installing HP-UX 10.20, restore all the HP OTS/9000 configuration files from the backup. These configuration files may be restored to their 9.x location, /etc/net/osi/conf.
Now install HP OTS/9000 on the 10.20 system. When the system reboots after installation, the configuration files will be moved to /etc/opt/ots/conf and will be converted to the 10.20 format. The 9.x directory /etc/net/osi
will be removed upon completion of the installation.
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