The Xsan 1.4.2 update addresses numerous issues related to overall reliability, usability and compatibility. It includes specific fixes for:

- mounting Fibre Channel LUNs on Mac OS X Leopard

- metadata controller failovers during power outages and network disconnects

- memory related errors that can result in slow system performance or hangs

- reducing fragmentation of large files and frame drops during ingest

- preventing file system metadata corruption

- hosting Xsan volumes on Intel-based metadata controllers

- defragmenting files after a volume bandwidth expansion

- compatibility with Apple and third party applications

Before installing, please review the Xsan Migration Guide at: http://www.apple.com/server/documentation/

For detailed information on this update, please visit the website: http://docs.info.apple.com/article.html?artnum=305035