Peripherals; Storage Area Network Components; Ibm San Fibre Channel Managed Hub 3534-1Ru - IBM i series Handbook

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Peripherals

Storage Area Networks (SAN) connect SAN storage (usually tape, disk) together with servers

into a network called a fabric . Today's industry standard for interconnecting components of a

SAN is Fiber Channel. The iSeries supports connection of disk and tape using fiber channel.

The advantage of SAN are greater distances to devices (500 m using short wave and up to

10 Km using longwave fiber) and the ability to share resources on a SAN.

The components supported by the iSeries Fiber Channel adapters #2765 and #2766 are the

Enterprise Storage Server, Magstar 3590 and the Ultrium 3584 Tape library. For further

flexibility the IBM SAN Fiber Channel Managed Hub (3534-1R2) is supported and can be

used to interconnect systems and components. Switches are not supported. However, the

IBM SAN Fiber Channel Switch (2108-S09 and 2109-S16) can be used when the QuickLoop

RPQ (8S0521) is installed.

eighth port is a Gigabit Interface Converter (GBIC) slot that can be configured for either short

wave optical (order part number 03K9308), or long wave optical (part number 03K9307)

media. A long wave singlemode fiber can be up to 10 kilometers.

The Managed Hub enables customers making initial investments in Fibre Channel

connectivity to begin with small work group clusters of host servers and storage systems. The

Managed Hub implements the industry standard Fibre Channel Arbitrated Loop protocol. It

provides high-speed simultaneous data transfers between all ports, fault isolation at the port

level, and a StorWatch Specialist for configuration and management.

The IBM SAN Fibre Channel Managed

Hub provides industry standard Fibre

Channel Arbitrated Loop (FC-AL)

connectivity of an entry-level

homogeneous cluster of host servers

and storage systems. The Managed

Hub has eight FC-AL ports. Seven

ports support fixed short wave optical

media for connecting devices on

multimode fiber up to 500 meters. The

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