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There's an interesting article on sun.com about the benefits of upgrading to Sun's Leadville Fibre Channel (FC) stack -- Leadville is the code name for Sun StorEdge SAN Foundation Software, formerly known as Sun StorageTek SAN Foundation Software.

If you're unfamiliar with Leadville, Sun developed the Leadville FC stack from scratch to replace the traditional SCSI emulation method most operating systems use to recognise FC devices as parallel SCSI devices. Leadville is an open standards-based I/O framework and device driver stack, fully integrated into Solaris 10 and available on SPARC, x64 and x86 platforms. And because the Leadville stack is integrated into Solaris 10, it is part of all the Solaris update releases -- Nice...

The Leadville FC stack has some significant advantages over the traditional SCSI emulation drivers, like dynamic addition of new devices, persistent binding, virtually limitless scalability, support for multipathing, better I/O stack and more.

Have a look - The article is concise and will give you a good overview of the Leadville framework. It will also tell how to install or upgrade to Leadville.

» Read Article: Updating Fibre Channel Drivers to Use Sun StorEdge SAN Foundation Software