Qlogic fibre channel switches are about the most common I see in Xsan environments. A common frustration when managing a Qlogic switch is that the Java runtime used to manage the switch is blocked from most OS X systems by default. But it’s pretty easy to get into them with a couple of minor adjustments. To get started, first download and install the latest Java from here. Once installed, open System Preferences on your Mac and then open the Java Preferences. Here, click on the Security tab. Click Edit Site List… In the pop-up, click Add and enter http:// followed by the name or IP address of your switch. Click…