UNICOS/mp Release Overview

S-2336-23 - Oct 2003

Provides an overview of the UNICOS/mp release.

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Adobe Acrobat Reader S-2336-23-manual.pdf
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Table of contents

1  Introduction
    1.1  Emphasis for the UNICOS/mp 2.3 Release
    1.2  Distribution of This Release Overview
    1.3  Reader Comments
    1.4  Typographical Conventions
2  Software Enhancements
    2.1  Enhanced Support of Cray X1 Hardware
    2.1.1  Up to 64 Nodes (256 MSPs) Supported
    2.1.2  32 GB/Node Memories Supported
    2.2  System Performance and Scalability Improvements
    2.3  MSP/SSP Process Times for Accounting
    2.4  New apteamctl System Call Functions Return Application Name and Connection Time
    2.5  New getgrouplist() and getgrmember() Functions
    2.6  New asa Utility
    2.7  Disk Management Enhancements
    2.7.1  Disk Quotas Supported
    2.7.2  Path Management Disk Driver (Limited Availability)
    2.8  File System Enhancements
    2.8.1  New fsr and fsr_xfs Commands for Reorganizing File Systems
    2.8.2  New lsi_mkfs Utility to Assist in Tuning File Systems
    2.8.3  StorNext File System and Related Fibre Channel Support (Limited Availability)
    2.9  Network Enhancements
    2.9.1  Improved Network Performance
    2.9.2  Sendmail Upgraded
    2.9.3  Fibre Channel IP Bonding Driver (Limited Availability)
    2.10  crashmp Utility Enhancements
    2.11  New hwnames and modulenames Commands
    2.12  Online Diagnostic Tests
3  Compatibility Issues and Differences
    3.1  Functionality Differences with This Release
    3.1.1  Async I/O Functions for a Distributed Memory Environment Require libu Library
    3.1.2  executable_data Parameter Default Changed for Execute Permission Protection
    3.1.3  Default Buffer Size in stdio Increased
    3.1.4  rm (1) Command Changed
    3.1.5  Command Displays Changed
    3.1.6  memoryuse and rssize Limits Now Synonymous for User Limits Database
    3.1.7  Changed Commands, Utilities, and Operating System Interfaces
    3.1.8  Changed Psched Placement and Balancing Configuration Defaults
    3.1.9  Changed Psched Default Placement Rules
    3.1.10  parts (8) Default for Command Tag Queuing Depth Changed
    3.1.11  crashmp (8) rttdump Directive Removed
    3.2  Future UNICOS/mp Changes That May Require Action by Sites
    3.2.1  Node Numbering Scheme Changing as of UNICOS/mp 2.4
    3.2.2  Maximum Project Name Size Change for UNICOS/mp 2.4 Release
    3.2.3  UNICOS/mp 2.4 Release Will Be Last Release Supporting the dksc Driver
    3.2.4  As of UNICOS/mp 2.4 Release, Async I/O Functions Removed from libc Library
4  Documentation
    4.1  CrayDoc Documentation System
    4.2  Cray Manuals
    4.3  Cray Man Page Collections
    4.4  Man Pages Added with This Release
    4.5  Cray Glossary
    4.6  Error Message Explanations
    4.7  Ordering Documentation
5  Release Package
    5.1  Hardware and Software Requirements
    5.2  Optional Products Supported
    5.3  Contents of the UNICOS/mp 2.3 Release Package
    5.4  Licensing
    5.4.1  UNICOS/mp System Software Binary License
    5.4.2  UNICOS/mp Source License
    5.4.3  For Additional Information
    5.5  Ordering Software
6  Customer Services
    6.1  Technical Assistance with Software Problems
    6.2  CRInform System
    6.3  Training
    6.4  Cray Service Bulletin (CRSB)
    6.5  Cray Public Web Site
Index
List of Tables

Software Releases this book supports

Product Version Sub Product Release Date
UNICOS/mp 2.3 Oct 2003

Other versions of this book

Publication Number Release Date Supported Software Releases
S-2336-31 Feb 2006 UNICOS/mp 3.1
S-2336-30 Mar 2005 UNICOS/mp 3.0
S-2336-24 Mar 2004 UNICOS/mp 2.4
S-2336-22 Jul 2003 UNICOS/mp 2.2
S-2336-20 Dec 2002