About Xsan 2.1.1 FileSystem Update
Share terabytes of data over an ultrafast Fibre Channel network with Xsan 2. This easy-to-use, enterprise-class, high-performance storage area network (SAN) file system for Mac OS X enables you to share one or more RAID devices with multiple servers or workstations.

Combining enhanced performance with Apple’s legendary ease of use, Xsan 2 makes it easier for first-time users to quickly set up and deploy a SAN. It also introduces MultiSAN, which allows users on a single workstation to access multiple SANs at the same time. Xsan 2 is fully integrated with Mac OS X Leopard and Leopard Server and is qualified to work with third-party RAID storage hardware.

Learn more about Xsan.

What’s New in this Version
The 2.1.1 update is recommended for all systems running Xsan 2. This update includes general file system fixes, as well as specific fixes for:

- file system performance and reliability
- Access Control List verification and correction
- volume reliability during metadata controller failover scenarios
- upgrading from Xsan 1.4

For detailed information on this update, please visit this website: http://support.apple.com/kb/HT3171