FCP for the IBM eServer zSeries systems: access to distributed storage

Authors:
I. Adlung;G. Banzhaf;W. Eckert;G. Kuch;S. Mueller;C. Raisch
Affiliations:
IBM Server Group, Boeblingen, Germany;IBM Server Group, Boeblingen, Germany;IBM Server Group, Boeblingen, Germany;IBM Server Group, Poughkeepsie, New York;IBM Server Group, Boeblingen, Germany;IBM Server Group, Boeblingen, Germany
Venue:
IBM Journal of Research and Development
Year:
2002

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Abstract

The IBM eServer zSeries™ FCP (Fibre Channel Protocol for SCSI) channel provides "Linux™ for zSeries" the capability to access storage devices using SCSI and FCP protocols, thus enabling it to make use of distributed storage. Leveraging the zSeries-unique virtualization approach for industry-standard storage devices as well, the zSeries FCP channel provides unique value in UNIX® and Linux environments. This paper describes the major differences between traditional and distributed storage attachments of zSeries systems. Furthermore, it describes the implementation of the zSeries FCP channel, its unique capabilities and characteristics, and how it is implemented by Linux for zSeries.