"Live Upgrade Survival Tips," a blog post by Bob Netherton, contains several useful suggestions that readers are well advised to employ in the process of patching software. As Netherton writes, some of his suggestions are common sense; others may surprise certain readers. Here they are:
1. Always make sure your patching and packaging utilities are up to date
2. Always check the logs. Always. Always. Always!
3. Use ZFS as your root file system.
4. Don't save patch backout files.
5. Start using Live Upgrade immediately after installation.
6. Remember to install the LU packages from the upgrade media.
7. Use the installcluster script from the Solaris patch cluster.
8. Keep it simple.
(Get More Information . .)