“Solaris 8 is getting a little long in the tooth. It has been out and stable for more than a year. Most applications are certified and supported on it by the vendors. And yet many sites are still running Solaris 2.5.1, 2.6, and 2.7. There are many reasons to move, and many reasons not to upgrade. A major hurdle to performing the upgrade is the sheer complexity (and risk) of system upgrades. This month, the Solaris Companion explores the reasons to stay put and the reasons to upgrade, and provides detailed how-to-upgrade instructions.” Read the article at UnixReview, while OnLamp features another Solaris-related article, titled “Optimizing Disk Subsystems for Random I/O”.