About This Manual
Audience
Organization
Related Documents
Reader's Comments
Conventions

1    New and Changed Features
1.1    Year 2000 Readiness
1.2    Maximum Number of UIDs and GIDs
1.3    Class Scheduler
1.4    Enhanced Core File Naming
1.5    Compressed Crash Dumps
1.6    Binary Error Log Buffer Tuning
1.7    Early Child Exit Notification
1.8    ATM IP Switching, LAN Emulation, and Boot-Time Initialization
1.9    Classless Inter-Domain Routing (CIDR)
1.10    Maximum Number of Open Files per Process
1.11    Multiple Session CD-ROMs
1.12    Dynamic Support for CDFS and ISO 9660 CD-ROMs
1.13    AdvFS Split Mirror Mount
1.14    AdvFS defragment Utility Added to Base System
1.15    Field Test Version of AdvFS Salvage Utility
1.16    AdvFS PrestoServe Performance
1.17    AdvFS Domain Panics in Binary Error Log
1.18    mmap Performance Improvement
1.19    PCI Driver Debugging
1.20    Pixstats Implemented as prof Command Option
1.21    Debugging and Analyzing DECthreads Programs
1.22    Multilingual Support in CDE Desktop
1.23    Documentation CD-ROM in ISO 9660 Format
1.24    DIGITAL UNIX Device Driver Kit
1.25    DE500-BA and DE500-FA Support
1.26    Server System MIB and Server Management MIB Subagent
1.27    VMEbus Backplane Driver Enhancements
1.28    New Printer Support
1.29    New Tape Drive Support
1.30    DEC C Compiler Version 5.6
1.31    cc.alt Compiler Updated
1.32    DEC C++ Runtime Library Updated
1.33    Ladebug Debugger Updated
1.34    Profiling and Memory Analysis Added to Developers' Toolkit
1.35    Netscape Navigator Gold Version 3.04
1.36    Netscape FastTrack Server Version 2.01
1.37    Java Development Kit Version 1.1.4
1.38    Performance Manager Version 4.0D
1.39    NetWorker Save and Restore Version 4.4
1.40    SCSI CAM Layered Components
1.41    Open3D for DIGITAL UNIX
1.42    Advanced Server V4.0 for DIGITAL UNIX

2    Installation Notes
2.1    General Information About Installation
2.1.1    Verifying the Installation
2.1.2    Disk Space Requirements
2.1.3    New Recommended Disk Partition Table
2.1.3.1    New CDF Item Introduced
2.1.4    RIS boot -fl n Option
2.1.5    RIS Support for AlphaServer 8200/8400
2.1.6    Worldwide Subsets
2.1.7    No Chinese Translation of Netscape Navigator Gold
2.1.8    Worldwide Ladebug Has Merged with Standard Ladebug
2.1.9    Invalid Password in Graphical Installation
2.1.10    ATI Graphics Controllers
2.1.11    I/O Error Message
2.1.12    Broken Pipe Messages
2.2    Update Installation
2.2.1    Warning from Update of DDR Database
2.2.2    Preparing AdvFS File Domains Before Upgrading
2.2.3    Update Installation and Enhanced Security
2.3    Server Extensions
2.3.1    Remote Installation Services (RIS) Version Requirement
2.3.2    Error When Installing Chinese Subsets from RIS Server

3    Processor-Specific Notes
3.1    General Notes on Processors
3.1.1    Upgrading Your Hardware
3.1.2    PCI-Based Systems with ATI Mach64 Graphics Controllers
3.1.3    PCI Shared Interrupt Support
3.1.4    KZPSA Behind the PCI-to-PCI Bridge
3.1.5    Qlogic ISP1040B CAM Errors
3.1.6    Monitor Power Management
3.2    DIGITAL Personal Workstation 433au, 500au, and 600au Systems
3.2.1    EIDE (ATAPI) CD-ROM Support
3.2.2    64-Bit PCI Option Cards
3.2.3    Incorrect Default Keyboard Mappings
3.3    DIGITAL AlphaServer 1000 and 1000A Systems
3.3.1    EISA Configuration Utility Diskette Version 1.10
3.3.2    Graphics Resolution
3.4    DIGITAL Alpha VME 4/224, 4/288, and 5/nnn Single-Board Computers
3.4.1    Verify CPU Version
3.4.2    Firmware Requirements
3.4.3    Restrictions and Known Problems
3.4.3.1    EBVXG (TGA) Video Card Requires Disabling X Server DMA
3.4.3.2    Byte Addressability Not Supported by mmap (5/nnn only)
3.4.3.3    VME Autovectors
3.4.3.4    Network Port Termination
3.4.4    Writing VMEbus Device Drivers
3.5    DMCC EBM2n and EBM4n Class Single Board Computers
3.5.1    Verify CPU Version
3.5.2    Firmware Requirements
3.5.3    Restrictions and Known Problems
3.5.3.1    Option Card Restrictions
3.5.3.2    PBXGB-AA (TGA2 PowerStorm 3D30) Video Card Restrictions
3.5.3.3    General Restrictions
3.6    DIGITAL AXPvme Single Board Computers
3.6.1    Firmware Upgrade Required
3.6.2    Unpredictable Results When Performing Master Block Transfers

4    Base System Software Notes
4.1    Commands and Utilities
4.1.1    Dataless Management Services and System V Environment tar Utility Conflict
4.1.2    Escaped Comment Symbols in a Makefile
4.1.3    Security
4.1.3.1    Unexpected Command Behavior with ACLs
4.1.3.2    ACLs and Archive Tools
4.1.4    Using gendisk on Diskette Devices
4.1.5    Emacs Can Lose ACL File Settings
4.1.6    Some Emacs Command Line Options Fail
4.1.7    Executing Program Images Cannot Be Overwritten
4.2    SysMan System Management Graphical User Interface
4.2.1    Account Manager
4.2.1.1    Usage Note
4.2.1.2    Account Manager Restrictions
4.2.1.3    Account Manager Problems
4.2.1.4    Enhanced Security Account Manager Problems
4.2.2    Print Configuration Manager
4.2.3    Bind Configuration
4.2.4    The dxshutdown Application Does Not Prohibit Logins
4.3    System Administration
4.3.1    Avoid Editing /etc/sysconfigtab Manually
4.3.2    Change in mkpasswd Creates Potential Password Database Incompatibility
4.3.3    License Management Facility Allows Year 2000 Testing
4.3.4    Multiple Printing Queues
4.3.5    Disabling Compressed Crash Dumps
4.3.6    Log Files in /var/adm/syslog.dated
4.3.7    Secure version of syslog
4.3.8    Fixing Truncated Log Messages in /var/adm/messages
4.3.9    EISA Configuration Utility Revision Requirements
4.3.10    Open3D Support
4.3.11    Bootable Tape
4.3.11.1    Disk Space Issues
4.3.11.2    Tape Drive Restriction
4.3.11.3    Bootable Tape Notes for 32 MB Systems
4.3.11.4    Bootable Tape Does Not Support Generic Kernels
4.3.11.5    Cross-Platform Bootable Tapes Are Not Supported
4.3.11.6    QIC Tape Drives
4.3.11.7    Multiple Tapes
4.3.11.8    Disk Overhead Requirements
4.3.11.9    Write Protection for Bootable Tape
4.3.12    Opening a Write-Protected Tape in Write Mode
4.3.13    Enhanced Security
4.3.13.1    Distribution of Enhanced Security Profiles via NIS
4.3.13.2    Disaster Recovery
4.3.13.3    pw_id_map and gr_id_map Files Are Obsolete
4.3.13.4    Restriction to 4000 NIS Accounts Removed
4.3.13.5    Behavior of useradd, usermod, and userdel Commands
4.4    Network and Communications
4.4.1    Using netconfig
4.4.2    IP Switching over ATM
4.4.3    Orderly Release in XTI
4.4.4    Restarting the Network When Using Interface Aliases
4.4.5    Incorrect Error Message When Using netsetup and rcinet
4.4.6    CDE's Static Dependency on the Network
4.4.7    Autosense Removed from Tulip Ethernet Driver
4.5    Local Area Transport
4.5.1    Duplicate Minor Numbers and latsetup
4.5.2    CTRL/A Causes LAT tty to Change the Case of Characters
4.5.3    Simultaneous llogin Connections
4.5.4    LAT Kernel Module Is Dynamically Loadable
4.6    File Systems
4.6.1    UNIX File System Restriction
4.6.2    The newfs Command No Longer Searches disktab File
4.6.3    Using ACLs over NFS
4.6.4    ACL Size Limitations
4.6.5    Advanced File System (AdvFS)
4.6.5.1    AdvFS and fsync()
4.6.5.2    The chfile Command Now Forces Synchronous Writes
4.6.5.3    Reusing AdvFS Partitions
4.6.5.4    Disk Usage Information
4.6.6    Logical Storage Manager
4.6.6.1    LSM Sparse Plexes May Erroneously Mask an I/O Failure
4.6.6.2    Restrictions with LSM root and swap Volumes
4.6.6.3    Possible Problems Accessing Physical Block 0 with LSM
4.6.6.4    Using LSM with SWXCR-P(A/B) and SWXCR-E(A/B) RAID Controllers
4.6.6.5    Enabling LSM After Installation Requires Rebuilding the Kernel
4.6.6.6    The volrootmir Script Supports Only LUN 0 on HSZ
4.6.6.7    Using LSM rootvol Requires sysconfigtab Parameter Entries
4.7    Internationalization
4.7.1    The zh_TW Locale Is Now an Alias of zh_TW.eucTW
4.7.2    Netscape Navigator May Crash in ja_JP.deckanji Locale

5    Development Environment Notes
5.1    General Programming
5.1.1    Setting Break Points with dbx and ladebug
5.2    Realtime Programming
5.2.1    SA_SIGINFO Not Visible Under Certain Namespace Conditions
5.2.2    POSIX 1003.1b Synchronized I/O and File Truncation
5.2.3    The fcntl() Function and F_GETFL with O_DSYNC File Status
5.3    DECthreads (pthreads)
5.3.1    Static Libraries
5.3.2    Forking
5.3.3    Signal Handling
5.3.4    Scheduling Behavior (Contention Scope)
5.3.5    Known DECthreads Problems
5.3.5.1    Contention Scope Inheritance
5.3.5.2    Freeing User-Allocated Stacks
5.4    Analysis Tool with Object Modification
5.4.1    Using pixie on Applications Built with -om
5.4.2    Profiling Signal Handlers and fork with Multithreaded hiprof
5.4.3    ATOM third Tool May Not Work Correctly with C++
5.4.4    ATOM Error with Dynamically Linked Fortran Applications
5.4.5    ATOM Tools Do Not Support pthread Cancellation
5.4.6    ATOM Routines Should Not Call Certain Libraries

6    Window System Software Notes
6.1    Hardware Notes and Restrictions
6.1.1    PBXGB-AA Video Card
6.1.1.1    Procedure for Disabling X Server DMA Write Operations
6.1.2    Qvision Graphics Display Error
6.2    X Servers
6.2.1    Limited Multiscreen Display Support with CDE
6.2.2    Keymap Interoperability Problem
6.2.3    Do Not Modify the keymaps.dir File
6.3    X Clients
6.3.1    The dxmail and mh Applications Require New MailScanFormat File
6.3.2    X Window Colormap Resources
6.3.3    Old X Environment
6.4    CDE Clients
6.4.1    Inaccessible Dialog Buttons
6.4.2    Screen Savers Prevent Efficient Power Management
6.4.3    Remote Invocation of CDE File Manager dtfile
6.4.4    The dtmail Application
6.4.4.1    Environment Variable MAILLOCKING
6.4.4.2    Tooltalk Locking Disabled by Default
6.4.4.3    Row and Column Display
6.4.4.4    Attachments Are Not Included
6.4.4.5    Startup
6.4.5    CDE's Static Dependency on the Network
6.4.6    The xnlLanguage Resource Settings May Cause Problems with CDE
6.4.7    Possible Failure in the XOpenDisplay Call
6.5    Windows Programming
6.5.1    X11 Font Problem
6.6    Internationalization
6.6.1    Backspace Key Not Supported in Asian Input
6.6.2    Hanyu IM Server Support of EDPC Under zh_TW.big5 Locale
6.6.3    Using Bookreader to Print Chinese and Korean Characters
6.6.4    Japanese Keyboard Support
6.6.5    Default Keyboard Mapping
6.6.6    Lithuanian and Slovene Language Support
6.6.6.1    Mnemonics in Lithuanian and Slovene DX Applications
6.6.6.2    DX Applications Integrated to CDE Desktop (Application Manager)
6.6.6.3    DX Applications Not Integrated into the CDE Desktop (Application Manager)
6.6.6.4    Lithuanian Language Variant

7    Documentation Notes
7.1    Documentation Overview
7.2    Network Administration Guide
7.2.1    Section 4.2.2.2 (Verifying PPP Support in the Kernel) Is Obsolete
7.2.2    Sections 4.2.3.1, 4.2.3.2, and 4.2.3.3 Are Obsolete
7.2.2.1    Establishing a PPP Dial-Out Connection
7.2.2.2    Establishing a PPP Dial-In Connection
7.3    System Administration Guide
7.3.1    Hard Limit for File System Quotas
7.3.2    Environmental Monitoring
7.3.3    User Definable Messages in Environmental Monitoring
7.4    Assembly Language Programmer's Guide
7.5    Programming with ONC RPC
7.6    Developing Applications for the Display PostScript System
7.7    Gate Daemon Configuration Guide
7.8    Online Help Volumes
7.8.1    General Problems
7.8.2    Integration
7.8.3    Update Path in Installation Online Help Is Incorrect
7.8.4    Help Volumes by Application

8    Features and Interfaces Scheduled for Retirement
8.1    DECwindows Applications
8.2    Adobe Display PostScript, Client Libraries, and X Server
8.3    Nonconforming Curses Library
8.4    Previous C Compiler
8.5    The dbx Debugger
8.6    DEC C Compiler Default Change from -std0 to -std
8.7    Change in struct utmp, struct utmpx, and struct lastlog
8.8    C Language long double Type Changing to 128 bits
8.9    C Library Functions and POSIX P1003.1C
8.10    POSIX 1003.4a (draft 4) pthread Routines in DECthreads
8.11    DECthreads CMA Interface
8.12    Asynchronous I/O Binary Compatibility
8.13    Nemacs
8.14    Berkeley Software Distribution TTY-NAME
8.15    SCSI Device Names
8.16    The -x and -p Options in addvol and mkfdmn
8.17    LSM Block Change Logging (BCL)
8.18    LSM volassist Command Syntax
8.19    LSM volprint Command Format
8.20    LVM-to-LSM Migration Tools
8.21    OSF/Motif Version 1.1.3
8.22    XIE Version 3.0 X Client Extension
8.23    Microsoft Sound Board Driver
8.24    Graph Utility
8.25    The atmsetup Script
8.26    Remote Prestoserve Support
8.27    Disk Size Requirement for Installation
8.28    Installupdate -i Option

A    Maximum System Limits
A.1    System Limits
A.1.1    Installation Requirements
A.1.2    Memory Limits
A.1.3    Process Limits
A.1.4    Device Addressing Limits
A.1.5    Device Limits
A.1.6    Logical Storage Manager Limits
A.1.7    File System Limits
A.1.8    Networking Limits
A.1.9    Limits for Backup Utilities

B    Software Subset Information
B.1    Disk Space Required for Software Subsets
B.2    Disk Space Required for Update Installations
B.3    Disk Space Required for RIS Areas
B.4    Disk Space Required for Documentation

C    Enabling and Disabling Extended UID/GID Support
C.1    Enabling Extended UID and GID Support
C.2    Disabling Extended UID and GID Support
C.3    Checking for Extended UID and GID Support
C.4    Applications Affected by Extended UIDs and GIDs
C.4.1    Clusters
C.4.2    Kerberos
C.4.3    System V File System
C.4.4    The ls Command
C.4.5    The cp Command
C.4.6    The vdump/vrestore Utilities and UFS File Systems
C.4.7    The dxarchiver Utility
C.4.8    The cpio Utility
C.4.9    The pax Utility
C.4.10    The tar Utility
C.4.11    PATHWORKS

D    Netscape Navigator and Netscape FastTrack Server
D.1    Netscape Navigator
D.2    Netscape FastTrack Server

E    Maximum Number of Open Files

F    Advanced File System Issues
F.1    Recovering from AdvFS Domain Panics
F.2    Correcting Overlapping Frag Data Corruption

G    Enabling Enhanced Core File Naming

H    Early Child Exit Notification

I    Thread Local Storage
I.1    Definition
I.2    Background
I.3    The __thread Attribute
I.4    Guidelines and Restrictions

Tables