HP Surestore 64 FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 151
Task 2: Plan Fibre Channel Cable Routing
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Configuration Planning Tasks Task 2: Plan Fibre Channel Cable Routing Plan for sufficient single-mode fiber-optic and multimode fiber-optic cabling to meet the connectivity requirements for all Fibre Channel servers and devices. If a multi-switch fabric is to be enabled, plan for sufficient fiber-optic cabling to meet interswitch link (ISL) connectivity requirements. Plan for at least one meter (39.37 inches) of fiber-optic cable inside the equipment rack for routing to product Fibre Channel ports as required. Plan for an additional 1.5 meters (5 feet) of cable outside the rack to provide slack for service clearance, limited rack movement, and inadvertent cable pulls. WARNING: Director and switch non-open fiber control (non-OFC) laser transceivers are designed and certified for use only with fiber-optic cable 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. In addition, consider the following when planning cable routing: ■ The need for additional fiber-optic cables could grow rapidly. Consider installing cable with extra fibers, especially in hard to reach places like underground trenches. Consider locating the equipment rack near a fiber-optic patch panel. ■ Follow proper procedures when moving an installed equipment rack to prevent cable or connector damage. SAN High Availability Planning Guide 151