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This paper provides an overview of IBM General Parallel File System™ (GPFS™) Version 3, Release 2 for AIX® and Linux® and Windows™. It includes concepts key to understanding, at a high level, available features and functionality.
This paper covers core GPFS concepts including the high-performance file system, direct storage area network (SAN) access, network based block I/O, information lifecycle management (ILM) tools and new features including multiple NSD servers, clustered NFS and more scalable ILM tools supporting migration to other media types.
The goal of this paper is to provide an introduction to GPFS features and terminology. For a more detailed description of any of these topics you should reference the product documentation See: GPFS 3.2 documentation.
This paper is based on the latest release of GPFS though much of the information applies to prior releases as well. It is assumed that the reader has a basic knowledge of clustering and storage networks.
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