HP XC System Software Release Notes for Version 2.1

New Features

This chapter describes the new features delivered in HP XC System Software

Version 2.1.

1.1 Base Distribution and Kernel

The following table lists the changes made to the base distribution and kernel.

XC Version 2.1 XC Version 2.0A

Enterprise Linux 3 Update 4 Enterprise Linux 3 Update 2

Base Red Hat kernel 2.4.21-27.0.2.EL Base Red Hat kernel 2.4.21-15.0.4.EL

Quadrics driver kit Version 4.30 Quadrics driver kit Version 4.24

QLogic FC SAN driver 7.01.01 QLogic FC SAN driver 7.00.00b17

1.2 Additional Hardware Models Supported

Support for the following hardware models has been added:

• Cluster Platform 3000, Xeon with EM64T-based servers: HP ProLiant DL140

• Cluster Platform 4000, Opteron-based servers: HP ProLiant DL145 G2 and

DL385

• Cluster Platform 6000, Itanium-based servers: HP Integrity rx1620, rx2620,

and rx4640

1.3 The discover Command

The following enhancements have been made to the discover command:

• The new --addnode option provides the ability to add nodes to an existing

system. Nodes can be added either on the branch switch or the root switch,

however they must be added as a separate operation. The new command

syntax to add nodes is:

discover --addnode {--root | --branch} [--oldmp] [--noconsole]

Refer to discover

(8) for details.

• Nodes that do not have console ports are classified as workstations and are

automatically discovered during a typical discovery process.

• The new ic=AdminNet command line keyword configures the interconnect on

the administrative network.

1.4 Cluster Configuration

The following changes have been made to the cluster configuration process:

• Configuration questions for the Simple Linux Utility for Resource Management

(SLURM) have been modified. You will be prompted to enter a SLURM user

name and password. This user will be created if it does not exist.

New Features 1-1