Brocade Communications Systems 53-0001575-01 manual MUlti Tier SAN Design across an Extended Link

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SAN Design: March 29, 2001 3:18 pm

FIGURE 14. MUlti Tier SAN Design across an Extended Link

SITE 1

SITE 2

DESIGN: 16 SWITCHES, TWO LOCATIONS; TOTA L PORTS= 212 USING 16 PORT SWITC HES

These links are via DWDM, not shown in diagram.

Depicted in the next diagram is a 20 switch fabric, three tier, with 4 switches at the core. This fabric offers 2 hops from source to destina- tions, with multiple equal cost paths between devices allowing for device failover without a performance lost due to added latency.

53-0001575-01

BROCADE Technical Note

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Contents SAN Fabrics Design and Best Practices Guide Design and Best Practices Guide Fabric Topologies Tier Architecture Designs Single fabric, non-resilient Approach to take to SAN design for high availability Hosts Sample Switc H Configura Tions Two Fabrics -- Simplest Redundant Fabric Configuration Extended Fabric Example Numbers above are labels for the links, see text Design Guidance Edge Two Switch Core Star SAN Design Design Criteria /TESTED AN D Supported Configurations Star Topologies Possible with 2 switch cores Three Tier Design used in Fabric Aware Testing at Brocade MUlti Tier SAN Design across an Extended Link Twenty Switch Three Tier Design also a Star configuration FOS Fabric Bring UP Valid and Invalid Configurations using Inter Switch Links ZONING/NAME Space Switch HOP Coun T SAN MAN Agement NON Public Devic ES AN D Existin G FC-AL Disk Equipmen T Brocade Technical Note Glossary Gbic Topology Copyright