HP Surestore 64 FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 18
Directors, Fibre Channel Physical, and Signaling Interface
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Introduction to HP Fibre Channel Products Directors Directors provide high-performance, dynamic connections between end devices such as servers, mass storage devices, and peripherals in a Fibre Channel switched network. Directors also support mainframe and open systems interconnection (OSI) computing environments and provide data transmission and flow control between device node ports (N_Ports) as dictated by the Fibre Channel Physical and Signaling Interface (FC-PH 4.3). Because of high port count, non-blocking architecture, and FRU redundancy, directors offer high availability and high-performance bandwidth. Directors should be installed for: ■ Backbone implementation for a large-scale enterprise SAN that requires centralized storage management, centralized backup and restore, data protection, and disaster tolerance. ■ Mission-critical applications and switched data paths with no downtime tolerance. ■ Performance-intense applications that require any-to-any port connectivity at a high bandwidth. Directors also provide connectivity between servers and devices manufactured by multiple original equipment manufacturers (OEMs). To determine if an OEM product can communicate through connections provided by a director, or if communication restrictions apply, refer to the product publications or contact your HP marketing representative. 18 SAN High Availability Planning Guide