HP StorageWorks 4000/6000/8000 .HP StorageWorks SAN Design Reference Guide, Pa - Page 178
seven switch hops and M-series switches support three switch hops. Therefore, design both fabrics
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• A SAN with one fabric containing B-series switches only and a second fabric containing H-series switches only • A SAN with one fabric containing B-series switches only and a second fabric containing M-series switches only When creating a dual interoperable, heterogeneous SAN, consider the following: • HP recommends that you use the same fabric topology and configuration in both fabrics to maintain balanced SAN performance. • Design both fabrics using the lowest common denominator. For example, B-series switches support seven switch hops and M-series switches support three switch hops. Therefore, design both fabrics with a maximum of three switch hops. • HA configurations require support for common HBA, driver, multipathing software, and storage array firmware versions because servers and storage connect to both fabrics. NOTE: HP does not support MSA1000 with the MSA SAN Switch 2/8 in dual interoperable, heterogeneous SAN configurations. 178 SAN fabric connectivity and switch interoperability rules