Switch zoning limitations for the IBM Enterprise Storage Server

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When you zone the IBM® Enterprise Storage Server® to the system, consider the following limitations.

To avoid a single point of failure on the IBM Enterprise Storage Server, you must have a minimum of two SAN connections from two separate adapter bays. The maximum number of IBM Enterprise Storage Server SAN connections in the system switch zone is 16.
Note: The IBM Enterprise Storage Server provides ESCON, FICON®, and Ultra-SCSI connectivity; however, only a 1 or 2 Gb Fibre Channel SAN attachment is supported by the system.