Brocade Communications Systems 53-0001575-01 manual

Page 19

SAN Design: March 29, 2001 3:18 pm

FIGURE 15. Twenty Switch Three Tier Design (also a Star configuration)

192 user ports total; total of 64 ISLs

Multiple equal cost paths between end nodes via a redundant switch

Maximum of two hops between devices

Any to any connectivity however data flow from top to bottom and vice versa is expected usage

Core switches for interconnect only, no user devices

Start with fewer switches and can grow to final configuration

53-0001575-01

BROCADE Technical Note

Page: 19 of 31

Image 19
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