HP StorageWorks 64 FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availa - Page 116
Port Connectivity and Fiber-Optic Cabling, Port Requirements
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Physical Planning Considerations Port Connectivity and Fiber-Optic Cabling This section provides planning recommendations for director and switch port connectivity and fiber-optic cabling. Recommendations are provided for: ■ Port requirements (number and type of ports). ■ Small form factor pluggable (SFP) optical transceivers. ■ Extended-distance ports. ■ High-availability considerations. ■ Cabling and connectors. ■ Routing fiber-optic cables. Port Requirements Plan for sufficient shortwave laser ports and longwave laser ports to meet the needs of the SAN configuration. The number of ports required is equal to the number of device connections (including redundant connections), plus the number of interswitch links (ISLs) between fabric elements, plus the total number of spare port connections. WARNING: Director and switch non-open fiber control (non-OFC) laser transceivers are designed and certified for use only with fiber-optic cables and connectors with characteristics specified by HP. Use of other connectors or optical fiber can result in emission of laser power levels capable of producing injury to the eye if viewed directly. Use of non-specified connectors or optical fiber can violate the Class 1 laser classification. The number of Fibre Channel ports and port operation for directors and switches are described as follows: ■ Director 2/64 - The director is configured from a minimum of 8 universal port module (UPM) cards (32 ports total), to a maximum of 16 UPM cards (64 ports total). UPM cards provide four 2.125 Gbps port connections, and can be configured with shortwave transceivers, longwave transceivers, and extended longwave transceivers, or a combination of all three. 116 SAN High Availability Planning Guide