Cisco Technology, Inc.

Rajeev Bhardwaj

Thomas James Edsall

Silvano Gai

Dinesh Ganapathy Dutt

Subrata Banerjee

Davide Bergamasco

Ankur Jain

Bruno Raimondo

Chandan Mishra

Subrata Benerjee

A Fiber Channel Switch which enables end devices in different Fabrics to communicate with one another while retaining their unique Fiber Channel Domain_IDs. The Switch is coupled to a first fabric having a first set of end devices and a second fabric having a second set of end devices. The Switch is configured to enable communication by the first set of end devices associated with the first fabric with the second set of end devices associated with the second set of end devices using the unique Domain_IDs of each of the first set and the second set of end devices. In one embodiment of the invention, the first and second fabrics are first and second Virtual Storage Array Networks (VSANs) respectively. In an alternative embodiment, the first fabric and the second fabric are separate physical fabrics.

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The present invention describes various mechanisms which may be used for improving SAN device interoperability enforcement techniques implemented in SAN or Fiber Channel networks. In one implementation, the technique of the present invention allows a SAN to automatically enforce interoperability requirements between devices connected to a SAN by utilizing SAN zoning technology to implement one or more novel types of 'smart' zones having different, customizable attributes. In one implementation, a first device and second device of the SAN may be automatically identified as being non-interoperable. The first device and the second device may then be included as members of a negative zone having a first associated negative zone attribute prohibiting communication between members of the first negative zone.

Smart zoning to enforce interoperability matrix in a storage area network

An Fibre Channel Switch which enables end devices in different Fabrics to communicate with one another while retaining their unique Fibre Channel Domain_IDs. The Switch is coupled to a first fabric having a first set of end devices and a second fabric having a second set of end devices. The Switch is configured to enable communication by the first set of end devices associated with the first fabric with the second set of end devices associated with the second set of end devices using the unique Domain_IDs of each of the first set and the second set of end devices. In one embodiment of the invention, the first and second fabrics are first and second Virtual Storage Array Networks (VSANs) respectively. In an alternative embodiment, the first fabric and the second fabric are separate physical fabrics.

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Sunnyvale, CA, United States of America

Rajeev Bhardwaj