Release Overview

HP-UX 11i Version 1.5 (B.11.20) adds software functionality and support for Itanium™-based systems to HP-UX. HP-UX 11i Version 1.5 (B.11.20) is intended for all Itanium processor family (IPF) based HP-UX systems. PA-RISC based systems should continue to run the HP-UX 11i or HP-UX 11.x releases. This release will not run on PA-RISC based systems.

HP-UX 11i Version 1.5 (B.11.20) includes the following major features and enhancements:

Base VERITAS Volume Manager 3.1 for HP-UX (VxVM), is integrated in HP-UX and is now the default volume manager and root disk
Support for running most PA-RISC applications on IPF without recompiling
Enhancements to some commands

Functionality provided in this release will be included in future releases of HP-UX.

The HP-UX Operating Environment (OE)

Beginning with HP-UX 11i, the operating system is delivered as part of the HP-UX Operating Environment (OE). An Operating Environment is an integrated and tested software solution containing the operating system and selected applications. In HP-UX 11i Version 1.5 (B.11.20), the operating system and selected applications are provided on two DVDs, to install the full OE, you must install from both DVDs. For more information, see "HP-UX 11i Version 1.5 Installation and Configuration Guide", part number B9106-90001.

Available Applications

The following applications are available on this release:

IUX (Cold Install ONLY)
DCE Remote Procedure Calls (RPC)
SD-UX
SAM
ANSI C++ Compiler
C Development Bundle
- ANSI C Compiler
- WDB
- Open GL libraries
Java RunTime, Dev Kit
JVM
CxPerf
OpenView: GlancePlus/Measureware
Fortran95
The HP-UX developer's toolkit bundle (B3394BA)

Unavailable Features

In comparison with HP-UX 11i, HP-UX 11i Version 1.5 (B.11.20) does not provide support for:

PA-RISC systems
updates, HP-UX 11i Version 1.5 (B.11.20) must be cold installed
HFS or LVM root disk, use VxVM or whole disk VxFS instead
boot from LVM disks
root, swap or dump on LVM disks
early dump
Shared LVM
PCI OLA/R
Business Copy/BCV/snapshot features on high-end disk arrays
Fabric connectivity with Fibre Channel Mass Storage
High Availability (HA) features

HP-UX 11i Version 1.5 (B.11.20) does not support

PA cross development on IPF
HP supplied PA mode archive system libraries.
HP supplied IPF archived system libraries
mix & match between IPF and PA binaries and/or 32-bit and 64 bit objects
network boot
framebuffer graphics support
boot from floppy disk

In addition, administrators and developers should make note of the following important changes and limitations:

the id number returned by uname may no longer be unique
manual editing of /stand/system file is now obsolete

Additional information about the above changes and limitations, and other differences between HP-UX 11i and HP-UX 11i Version 1.5 (B.11.20), are described further in these release notes.

HP-UX Installation Restrictions

Installing HP-UX 11i Version 1.5 (B.11.20) requires a 4 GB minimum root disk. See the HP-UX 11i Version 1.5 Installation and Configuration Guide for complete information.

For HP-UX 11i Version 1.5 (B.11.20) the following installation restrictions apply:

Installing HP-UX 11i Version 1.5 (B.11.20) requires using the DVD media.
HP-UX 11i Version 1.5 (B.11.20) only supports cold installation of the HP-UX operating system.
Updating to HP-UX 11i Version 1.5 (B.11.20) from previous releases is not supported. For detailed installation information, refer to the Installation and Configuration Guide.
The HP-UX 11i Version 1.5 (B.11.20) release does not support using Ignite-UX to create and distribute a Golden System or Golden Disk for network installation of HP-UX.

Release Overview

Technical documentation

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The HP-UX Operating Environment (OE)

Available Applications

Unavailable Features

HP-UX Installation Restrictions