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If you are upgrading an installed Veritas Storage Foundation system, you should take the following steps to preserve the existing configuration information:
/opt/VRTS/bin is in your PATH so you can execute all product commands.
vxlicrep command to make a record of the currently installed Veritas licenses.
/etc/fstab file. You will need to recreate these entries in the /etc/fstab file on the freshly installed system.
/boot/grub/menu.lst, /etc/grub.conf, /etc/elilo.conf, or /etc/lilo.conf (as appropriate), and /etc/fstab. You should also run the vxlicrep, vxdisk list, and vxprint -ht commands, and record the output from these. You may need this information to reconfigure your system after the upgrade.
main.cf and types.cf, in the /etc/VRTSvcs/conf/config directory. Additional configuration files, such as Oracletypes.cf, may also be present in this directory if you have installed any VCS agents. You should also back up these files.
Caution
Existing data could be destroyed on any disks that are touched by upgrading the operating system. While upgrading, do not reconfigure any disks other than the root disk. To ensure the integrity of your data, it is recommended that you back it up before starting the upgrade.
You should also review the Veritas Storage Foundation Release Notes or Veritas Storage Foundation Cluster File System Release Notes, and all documents in the release_notes directory for important release information.
The following sections describe how to upgrade a cluster and a standalone system: