HP StorageWorks SAN Director Installation Guide (A7393-90009, May 2007)

SAN Director installation guide 17
1Overview
The 4/256 SAN Director is the highest-performance and highest-scalability enterprise class switch
offered by HP. It satisfies the most demanding Reliability, Availability, and Serviceability (RAS)
requirements of a Director, while delivering investment protection, interoperability, and fabric-based
intelligence advantages.
This chapter provides the following information:
• 4/256 SAN Director features, page 18
• 4/256 SAN Director models, page 19
• High availability, page 26
• Reliability, page 27
• Serviceability, page 27
• Software features, page 28
• Port numbering, page 29
• Optional hardware kits, page 31