This redbook applies to PSSP Version 3, Release 4 for use with the AIX Operating System Version 5, Release 1, and Version 4, Release 3, modification 3.

This redbook details the new features and functions of PSSP 3.4, including the supported hardware. The redbook describes the changes to the product, allowing cluster professionals a convenient and detailed look at the latest PSSP enhancements.

Other SP-related products have also announced new releases. This redbook discusses the following:

- General Parallel File System (GPFS) 1.5
- LoadLeveler 3.1
- Parallel Environment (PE) 3.2
- Engineering and Scientific Subroutine Library (ESSL) 3.3 and Parallel ESSL 2.3

This redbook is for IBM customers, Business Partners, IBM technical and marketing professionals and anyone seeking an understanding of the new hardware and software components and improvements included in this IBM announcement.

Download